| Year |
Citation |
Score |
| 2023 |
Guo W, Hori M, Ogura Y, Nishimura K, Oki K, Ikai T, Yashima E, Ishihara K. Tandem Isomerization/α,β-Site-Selective and Enantioselective Addition Reactions of -(3-Butynoyl)-3,5-dimethylpyrazole Induced by Chiral π-Cu(II) Catalysts. Journal of the American Chemical Society. 145: 27080-27088. PMID 38032102 DOI: 10.1021/jacs.3c10820 |
0.387 |
|
| 2023 |
Yamashita K, Tabata Y, Yamakawa K, Mochizuki T, Matsui K, Hatano M, Ishihara K. Chiral Macrocyclic Catalysts for the Enantioselective Addition of Lithium Acetylides to Ketones. Journal of the American Chemical Society. PMID 37924326 DOI: 10.1021/jacs.3c08905 |
0.442 |
|
| 2023 |
Ohmura S, Katagiri K, Kato H, Horibe T, Miyakawa S, Hasegawa JY, Ishihara K. Highly Enantioselective Radical Cation [2 + 2] and [4 + 2] Cycloadditions by Chiral Iron(III) Photoredox Catalysis. Journal of the American Chemical Society. PMID 37406156 DOI: 10.1021/jacs.3c04010 |
0.334 |
|
| 2023 |
Zheng H, Cai L, Pan M, Uyanik M, Ishihara K, Xue XS. Catalyst-Substrate Helical Character Matching Determines the Enantioselectivity in the Ishihara-Type Iodoarenes Catalyzed Asymmetric Kita-Dearomative Spirolactonization. Journal of the American Chemical Society. PMID 36940192 DOI: 10.1021/jacs.2c13295 |
0.375 |
|
| 2023 |
Tsuji Y, Kon K, Horibe T, Ishihara K. Catalytic Site-, Diastereo-, and Enantioselective Cascade Iodocyclization of 2-Geranylarenols. Chemistry, An Asian Journal. e202300019. PMID 36745467 DOI: 10.1002/asia.202300019 |
0.356 |
|
| 2022 |
Zhao X, Ratanasak M, Kon K, Hasegawa JY, Ishihara K. Bulky magnesium(ii) and sodium(i) bisphenoxide catalysts for chemoselective transesterification of methyl (meth)acrylates. Chemical Science. 14: 566-572. PMID 36741511 DOI: 10.1039/d2sc05413b |
0.323 |
|
| 2022 |
Matsui K, Toh K, Hatano M, Ishihara K. Multiselective Diels-Alder Reaction of α-Arylacroleins Catalyzed by Boron Tribromide-Assisted Chiral Phosphoric Acids. Organic Letters. 24: 6483-6488. PMID 36017904 DOI: 10.1021/acs.orglett.2c02747 |
0.492 |
|
| 2021 |
Hayashi H, Yasukochi S, Sakamoto T, Hatano M, Ishihara K. Insight into the Mechanism of the Acylation of Alcohols with Acid Anhydrides Catalyzed by Phosphoric Acid Derivatives. The Journal of Organic Chemistry. PMID 33720717 DOI: 10.1021/acs.joc.1c00102 |
0.4 |
|
| 2020 |
Hatano M, Toh K, Ishihara K. Enantioselective Aza-Friedel-Crafts Reaction of Indoles and Pyrroles Catalyzed by Chiral -Symmetric Bis(phosphoric Acid). Organic Letters. PMID 33295179 DOI: 10.1021/acs.orglett.0c03662 |
0.476 |
|
| 2020 |
Ishihara K, Nishimura K, Yamakawa K. Enantio- and Site-selective α-Fluorination of N-Acyl-3,5-dimethylpyrazoles Catalyzed by Chiral π-Cu(II) Complexes. Angewandte Chemie (International Ed. in English). PMID 32633892 DOI: 10.1002/Anie.202007403 |
0.421 |
|
| 2020 |
Uyanik M, Sahara N, Tsukahara M, Hattori Y, Ishihara K. Chemo- and Enantioselective Oxidative α-Azidation of Carbonyl Compounds. Angewandte Chemie (International Ed. in English). PMID 32588547 DOI: 10.1002/Anie.202007552 |
0.41 |
|
| 2020 |
Horibe T, Hazeyama T, Nakata Y, Takeda K, Ishihara K. Enantioselective 1,4-Addition Reaction of α,β-Unsaturated Carboxylic Acids with Cycloalkanones Using Cooperative Chiral Amine-Boronic Acid Catalysts. Angewandte Chemie (International Ed. in English). PMID 32567762 DOI: 10.1002/Anie.202007639 |
0.56 |
|
| 2020 |
Horibe T, Sakakibara M, Hiramatsu R, Takeda K, Ishihara K. One-Pot Michael Addition-Enantioselective Conia-Ene Cyclization Tandem Reaction Induced through Chiral Iron(III)-Silver(I) Cooperative Catalysis. Angewandte Chemie (International Ed. in English). PMID 32500562 DOI: 10.1002/Anie.202007180 |
0.518 |
|
| 2020 |
Uyanik M, Nishioka K, Kondo R, Ishihara K. Chemoselective oxidative generation of ortho-quinone methides and tandem transformations. Nature Chemistry. PMID 32203442 DOI: 10.1038/S41557-020-0433-4 |
0.363 |
|
| 2019 |
Uyanik M, Sahara N, Katade O, Ishihara K. Chemoselective Oxidative Spiroetherification and Spiroamination of Arenols Using I/Oxone Catalysis. Organic Letters. PMID 31874043 DOI: 10.1021/Acs.Orglett.9B04324 |
0.47 |
|
| 2019 |
Horibe T, Nakagawa K, Hazeyama T, Takeda K, Ishihara K. An enantioselective oxidative coupling reaction of 2-naphthol derivatives catalyzed by chiral diphosphine oxide-iron(ii) complexes. Chemical Communications (Cambridge, England). PMID 31657383 DOI: 10.1039/C9Cc07834G |
0.351 |
|
| 2019 |
Yao L, Ishihara K. Enantioselective [1,3] O-to-C rearrangement: dearomatization of alkyl 2-allyloxy/benzyloxy-1/3-naphthoates catalyzed by a chiral π-Cu(ii) complex. Chemical Science. 10: 2259-2263. PMID 30881650 DOI: 10.1039/C8Sc05601C |
0.407 |
|
| 2019 |
Ishihara K, Kondo S, Yamamoto H. Scope and limitations of chiral B- The Journal of Organic Chemistry. 65: 9125-8. PMID 11149860 DOI: 10.1021/Jo001271V |
0.592 |
|
| 2019 |
Uyanik M, Nishioka K, Ishihara K. Ammonium Hypoiodite-catalyzed Oxidative Dearomatizative Azidation of Arenols Chemistry Letters. 48: 353-356. DOI: 10.1246/Cl.181036 |
0.333 |
|
| 2019 |
Uyanik M, Kato T, Sahara N, Katade O, Ishihara K. High-Performance Ammonium Hypoiodite/Oxone Catalysis for Enantioselective Oxidative Dearomatization of Arenols Acs Catalysis. 9: 11619-11626. DOI: 10.1021/Acscatal.9B04322 |
0.403 |
|
| 2019 |
Hatano M, Nishio K, Mochizuki T, Nishikawa K, Ishihara K. Highly Active Chiral Dilithium(I) Binaphthyldisulfonate Catalysts for Enantio- and Chemoselective Strecker-Type Reactions Acs Catalysis. 9: 8178-8186. DOI: 10.1021/Acscatal.9B02739 |
0.532 |
|
| 2019 |
Hatano M, Sakamoto T, Mochizuki T, Ishihara K. Front Cover: Tris(pentafluorophenyl)borane‐Assisted Chiral Phosphoric Acid Catalysts for Enantioselective Inverse‐Electron‐Demand Hetero‐Diels‐Alder Reaction of α,β‐Substituted Acroleins (Asian J. Org. Chem. 7/2019) Asian Journal of Organic Chemistry. 8: 918-918. DOI: 10.1002/Ajoc.201900184 |
0.565 |
|
| 2019 |
Hatano M, Sakamoto T, Mochizuki T, Ishihara K. Tris(pentafluorophenyl)borane‐Assisted Chiral Phosphoric Acid Catalysts for Enantioselective Inverse‐Electron‐Demand Hetero‐Diels‐Alder Reaction of α,β‐Substituted Acroleins Asian Journal of Organic Chemistry. 8: 1061-1066. DOI: 10.1002/Ajoc.201900104 |
0.572 |
|
| 2018 |
Hatano M, Sakamoto T, Mizuno T, Goto Y, Ishihara K. Chiral Supramolecular U-Shaped Catalysts Induce the Multiselective Diels-Alder Reaction of Propargyl Aldehyde. Journal of the American Chemical Society. PMID 30404439 DOI: 10.1021/Jacs.8B09974 |
0.554 |
|
| 2018 |
Hatano M, Okamoto H, Kawakami T, Toh K, Nakatsuji H, Sakakura A, Ishihara K. Enantioselective aza-Friedel-Crafts reaction of furan with α-ketimino esters induced by a conjugated double hydrogen bond network of chiral bis(phosphoric acid) catalysts. Chemical Science. 9: 6361-6367. PMID 30288231 DOI: 10.1039/C8Sc02290A |
0.514 |
|
| 2018 |
Suzuki T, Watanabe S, Uyanik M, Ishihara K, Kobayashi S, Tanino K. Asymmetric Total Synthesis of (-)-Maldoxin, a Common Biosynthetic Ancestor of the Chloropupukeananin Family. Organic Letters. PMID 29883129 DOI: 10.1021/Acs.Orglett.8B01502 |
0.52 |
|
| 2018 |
Wang K, Lu Y, Ishihara K. The ortho-substituent on 2,4-bis(trifluoromethyl)phenylboronic acid catalyzed dehydrative condensation between carboxylic acids and amines. Chemical Communications (Cambridge, England). PMID 29714375 DOI: 10.1039/C8Cc02558D |
0.524 |
|
| 2018 |
Lu Y, Nakatsuji H, Okumura Y, Yao L, Ishihara K. Enantioselective Halo-oxy- and Halo-azacyclizations Induced by Chiral Amidophosphate Catalysts and Halo-Lewis Acids. Journal of the American Chemical Society. PMID 29708750 DOI: 10.1021/Jacs.8B02607 |
0.541 |
|
| 2018 |
Kurihara T, Satake S, Hatano M, Ishihara K, Yoshino T, Matsunaga S. Synthesis of 1,1'-Spirobiindane-7,7'-Disulfonic Acid and Disulfonimide: Application for Catalytic Asymmetric Aminalization. Chemistry, An Asian Journal. PMID 29644792 DOI: 10.1002/Asia.201800341 |
0.573 |
|
| 2018 |
Sakamoto T, Mochizuki T, Goto Y, Hatano M, Ishihara K. Boron Tribromide-Assisted Chiral Phosphoric Acid Catalysts for Enantioselective [2+2] Cycloaddition. Chemistry, An Asian Journal. PMID 29603647 DOI: 10.1002/Asia.201800351 |
0.588 |
|
| 2018 |
Sakakura A, Hatano M, Ishihara K, Okamoto H, Toh K, Mochizuki T, Nakatsuji H. Chiral Pyrophosphoric Acid Catalysts for the para-Selective and Enantioselective Aza-Friedel–Crafts Reaction of Phenols Synthesis. 50: 4577-4590. DOI: 10.1055/S-0037-1610250 |
0.578 |
|
| 2018 |
Hatano M, Tabata Y, Yoshida Y, Toh K, Yamashita K, Ogura Y, Ishihara K. Metal-free transesterification catalyzed by tetramethylammonium methyl carbonate Green Chemistry. 20: 1193-1198. DOI: 10.1039/C7Gc03858E |
0.362 |
|
| 2018 |
Horibe T, Tsuji Y, Ishihara K. Thiourea–I2 as Lewis Base–Lewis Acid Cooperative Catalysts for Iodochlorination of Alkene with In Situ-Generated I–Cl Acs Catalysis. 8: 6362-6366. DOI: 10.1021/Acscatal.8B01565 |
0.491 |
|
| 2017 |
Horibe T, Ohmura S, Ishihara K. Selenium-Iodine Cooperative Catalyst for Chlorocyclization of Tryptamine Derivatives. Organic Letters. PMID 28956932 DOI: 10.1021/Acs.Orglett.7B02613 |
0.408 |
|
| 2017 |
Uyanik M, Yasui T, Ishihara K. Chiral Hypervalent Organoiodine-Catalyzed Enantioselective Oxidative Spirolactonization of Naphthol Derivatives. The Journal of Organic Chemistry. PMID 28926246 DOI: 10.1021/Acs.Joc.7B01941 |
0.53 |
|
| 2017 |
Hatano M, Nishikawa K, Ishihara K. Enantioselective Cycloaddition of Styrenes with Aldimines Catalyzed by a Chiral Magnesium Potassium Binaphthyldisulfonate Cluster as a Chiral Brønsted Acid Catalyst. Journal of the American Chemical Society. PMID 28557451 DOI: 10.1021/Jacs.7B04795 |
0.538 |
|
| 2017 |
Uyanik M, Mutsuga T, Ishihara K. 4,5-Dimethyl-2-Iodoxybenzenesulfonic Acid Catalyzed Site-Selective Oxidation of 2-Substituted Phenols to 1,2-Quinols. Angewandte Chemie (International Ed. in English). 56: 3956-3960. PMID 28221706 DOI: 10.1002/Anie.201612463 |
0.46 |
|
| 2017 |
Ishihara K. Design of High Performance Catalysts Based on Acid-Base Combination Chemistry Journal of Synthetic Organic Chemistry Japan. 75: 98-110. DOI: 10.5059/Yukigoseikyokaishi.75.98 |
0.444 |
|
| 2017 |
Hatano M, Mochizuki T, Nishikawa K, Ishihara K. Enantioselective Aza-Friedel–Crafts Reaction of Indoles with Ketimines Catalyzed by Chiral Potassium Binaphthyldisulfonates Acs Catalysis. 8: 349-353. DOI: 10.1021/Acscatal.7B03708 |
0.585 |
|
| 2017 |
Hatano M, Yamakawa K, Ishihara K. Enantioselective Conjugate Hydrocyanation of α,β-UnsaturatedN-Acylpyrroles Catalyzed by Chiral Lithium(I) Phosphoryl Phenoxide Acs Catalysis. 7: 6686-6690. DOI: 10.1021/Acscatal.7B02551 |
0.475 |
|
| 2017 |
Lu Y, Wang K, Ishihara K. Cover Feature: Design of Boronic Acid-Base Complexes as Reusable Homogeneous Catalysts in Dehydrative Condensations between Carboxylic Acids and Amines (Asian J. Org. Chem. 9/2017) Asian Journal of Organic Chemistry. 6: 1111-1111. DOI: 10.1002/Ajoc.201700311 |
0.48 |
|
| 2017 |
Lu Y, Wang K, Ishihara K. Design of Boronic Acid-Base Complexes as Reusable Homogeneous Catalysts in Dehydrative Condensations between Carboxylic Acids and Amines Asian Journal of Organic Chemistry. 6: 1191-1194. DOI: 10.1002/Ajoc.201700194 |
0.49 |
|
| 2016 |
Ishihara K, Lu Y. Boronic acid-DMAPO cooperative catalysis for dehydrative condensation between carboxylic acids and amines. Chemical Science. 7: 1276-1280. PMID 29910884 DOI: 10.1039/C5Sc03761A |
0.51 |
|
| 2016 |
Hatano M, Mizuno M, Ishihara K. Regioselective 1,4- and 1,6-Conjugate Additions of Grignard Reagent-Derived Organozinc(II)ates to Polyconjugated Esters. Organic Letters. 18: 4462-5. PMID 27599554 DOI: 10.1021/Acs.Orglett.6B01774 |
0.327 |
|
| 2016 |
Sawamura Y, Ogura Y, Nakatsuji H, Sakakura A, Ishihara K. Enantioselective bromocyclization of 2-geranylphenols induced by chiral phosphite-urea bifunctional catalysts. Chemical Communications (Cambridge, England). 52: 6068-71. PMID 27020117 DOI: 10.1039/C6Cc00229C |
0.471 |
|
| 2016 |
Hatano M, Yamakawa K, Kawai T, Horibe T, Ishihara K. Enantioselective Cyanosilylation of Ketones with Lithium(I) Dicyanotrimethylsilicate(IV) Catalyzed by a Chiral Lithium(I) Phosphoryl Phenoxide. Angewandte Chemie (International Ed. in English). 55: 4021-5. PMID 26834083 DOI: 10.1002/Anie.201510682 |
0.556 |
|
| 2016 |
Uyanik M, Hayashi H, Iwata H, Ishihara K. Chiral ammonium hypoiodite salt-catalyzed enantioselective oxidative cycloetherification to 2-acyl tetrahydrofurans Chemistry Letters. 45: 353-355. DOI: 10.1246/Cl.160004 |
0.469 |
|
| 2016 |
Hatano M, Hayashi K, Sakamoto T, Makino Y, Ishihara K. Enantioselective Diels–Alder Reaction Induced by Chiral Supramolecular Lewis Acid Catalysts Based on CN···B and PO···B Coordination Bonds Synlett. DOI: 10.1055/S-0035-1561362 |
0.584 |
|
| 2016 |
Uyanik M, Sasakura N, Mizuno M, Ishihara K. Enantioselective Synthesis of Masked Benzoquinones Using Designer Chiral Hypervalent Organoiodine(III) Catalysis Acs Catalysis. 7: 872-876. DOI: 10.1021/Acscatal.6B03380 |
0.502 |
|
| 2016 |
Uyanik M, Hayashi H, Iwata H, Ishihara K. ChemInform Abstract: Chiral Ammonium Hypoiodite Salt-Catalyzed Enantioselective Oxidative Cycloetherification to 2-Acyl Tetrahydrofurans. Cheminform. 47. DOI: 10.1002/CHIN.201637084 |
0.358 |
|
| 2016 |
Hatano M, Hayashi K, Sakamoto T, Makino Y, Ishihara K. ChemInform Abstract: Enantioselective Diels-Alder Reaction Induced by Chiral Supramolecular Lewis Acid Catalysts Based on CN···B and PO···B Coordination Bonds. Cheminform. 47. DOI: 10.1002/CHIN.201634074 |
0.488 |
|
| 2016 |
Hatano M, Yamakawa K, Kawai T, Horibe T, Ishihara K. Back Cover: Enantioselective Cyanosilylation of Ketones with Lithium(I) Dicyanotrimethylsilicate(IV) Catalyzed by a Chiral Lithium(I) Phosphoryl Phenoxide (Angew. Chem. Int. Ed. 12/2016) Angewandte Chemie International Edition. 55: 4102-4102. DOI: 10.1002/Anie.201601600 |
0.424 |
|
| 2016 |
Hatano M, Yamakawa K, Kawai T, Horibe T, Ishihara K. Enantioselective Cyanosilylation of Ketones with Lithium(I) Dicyanotrimethylsilicate(IV) Catalyzed by a Chiral Lithium(I) Phosphoryl Phenoxide Angewandte Chemie - International Edition. 55: 4021-4025. DOI: 10.1002/anie.201510682 |
0.32 |
|
| 2016 |
Hatano M, Yamakawa K, Kawai T, Horibe T, Ishihara K. Rücktitelbild: Enantioselective Cyanosilylation of Ketones with Lithium(I) Dicyanotrimethylsilicate(IV) Catalyzed by a Chiral Lithium(I) Phosphoryl Phenoxide (Angew. Chem. 12/2016) Angewandte Chemie. 128: 4172-4172. DOI: 10.1002/Ange.201601600 |
0.433 |
|
| 2015 |
Ishihara K, Ogura Y. Enantioselective Cyano-Alkoxycarbonylation of α-Oxoesters Promoted by Brønsted Acid-Lewis Base Cooperative Catalysts. Organic Letters. 17: 6070-3. PMID 26636610 DOI: 10.1021/Acs.Orglett.5B03093 |
0.508 |
|
| 2015 |
Haubenreisser S, Wöste TH, Martínez C, Ishihara K, Muñiz K. Structurally Defined Molecular Hypervalent Iodine Catalysts for Intermolecular Enantioselective Reactions. Angewandte Chemie (International Ed. in English). PMID 26596513 DOI: 10.1002/Anie.201507180 |
0.523 |
|
| 2015 |
Hatano M, Goto Y, Izumiseki A, Akakura M, Ishihara K. Boron Tribromide-Assisted Chiral Phosphoric Acid Catalyst for a Highly Enantioselective Diels-Alder Reaction of 1,2-Dihydropyridines. Journal of the American Chemical Society. 137: 13472-5. PMID 26457929 DOI: 10.1021/Jacs.5B08693 |
0.58 |
|
| 2015 |
Sakakura A, Ishihara K. Stereoselective Electrophilic Cyclization. Chemical Record (New York, N.Y.). 15: 728-42. PMID 26147781 DOI: 10.1002/Tcr.201500005 |
0.503 |
|
| 2015 |
Hatano M, Yamashita K, Ishihara K. C- and N-Selective Grignard Addition Reactions of α-Aldimino Esters in the Presence or Absence of Zinc(II) Chloride: Synthetic Applications to Optically Active Azacycles. Organic Letters. 17: 2412-5. PMID 25918830 DOI: 10.1021/Acs.Orglett.5B00927 |
0.387 |
|
| 2015 |
Hatano M, Yamashita K, Mizuno M, Ito O, Ishihara K. C-selective and diastereoselective alkyl addition to β,γ-alkynyl-α-imino esters with zinc(II)ate complexes. Angewandte Chemie (International Ed. in English). 54: 2707-11. PMID 25598353 DOI: 10.1002/Anie.201408916 |
0.438 |
|
| 2015 |
Uyanik M, Suzuki D, Watanabe M, Tanaka H, Furukawa K, Ishihara K. High-performance hypoiodite/hydrogen peroxide catalytic system for the oxylactonization of aliphatic γ-oxocarboxylic acids Chemistry Letters. 44: 387-389. DOI: 10.1246/Cl.141110 |
0.485 |
|
| 2015 |
Uyanik M, Sasakura N, Kaneko E, Ohori K, Ishihara K. Chiral Ammonium Hypoiodite-catalyzed Enantioselective Oxidative Dearomatization of 1-Naphthols Using Hydrogen Peroxide Chemistry Letters. 44: 179-181. DOI: 10.1246/Cl.141012 |
0.463 |
|
| 2015 |
Ishihara K, Hatano M, Ishihara H, Goto Y. Remote Tris(pentafluorophenyl)borane-Assisted Chiral Phosphoric Acid Catalysts for the Enantioselective Diels–Alder Reaction Synlett. 27: 564-570. DOI: 10.1055/S-0035-1560369 |
0.562 |
|
| 2015 |
Uyanik M, Sasakura N, Kaneko E, Ohori K, Ishihara K. ChemInform Abstract: Chiral Ammonium Hypoiodite-Catalyzed Enantioselective Oxidative Dearomatization of 1-Naphthols Using Hydrogen Peroxide. Cheminform. 46: no-no. DOI: 10.1002/CHIN.201533132 |
0.306 |
|
| 2015 |
Haubenreisser S, Wöste TH, Martínez C, Ishihara K, Muñiz K. Cover Picture: Structurally Defined Molecular Hypervalent Iodine Catalysts for Intermolecular Enantioselective Reactions (Angew. Chem. Int. Ed. 1/2016) Angewandte Chemie International Edition. 55: 1-1. DOI: 10.1002/Anie.201510990 |
0.475 |
|
| 2014 |
Hori M, Sakakura A, Ishihara K. Enantioselective 1,3-dipolar cycloaddition of azomethine imines with propioloylpyrazoles induced by chiral π-cation catalysts. Journal of the American Chemical Society. 136: 13198-201. PMID 25197958 DOI: 10.1021/Ja508441T |
0.52 |
|
| 2014 |
Uyanik M, Hayashi H, Ishihara K. High-turnover hypoiodite catalysis for asymmetric synthesis of tocopherols. Science (New York, N.Y.). 345: 291-4. PMID 25035486 DOI: 10.1126/Science.1254976 |
0.47 |
|
| 2014 |
Nakatsuji H, Sawamura Y, Sakakura A, Ishihara K. Cooperative activation with chiral nucleophilic catalysts and N-haloimides: enantioselective iodolactonization of 4-arylmethyl-4-pentenoic acids. Angewandte Chemie (International Ed. in English). 53: 6974-7. PMID 24840957 DOI: 10.1002/anie.201400946 |
0.464 |
|
| 2014 |
Ishihara K, Yamada H, Akakura M. An enantioselective Diels-Alder reaction of 1,2-dihydropyridines with α-acyloxyacroleins catalyzed by a chiral primary ammonium salt. Chemical Communications (Cambridge, England). 50: 6357-60. PMID 24800831 DOI: 10.1039/c4cc01445f |
0.453 |
|
| 2014 |
Matsumura Y, Suzuki T, Sakakura A, Ishihara K. Catalytic enantioselective inverse electron demand hetero-Diels-Alder reaction with allylsilanes. Angewandte Chemie (International Ed. in English). 53: 6131-4. PMID 24782343 DOI: 10.1002/Anie.201402934 |
0.484 |
|
| 2014 |
Sawamura Y, Nakatsuji H, Akakura M, Sakakura A, Ishihara K. Selective bromocyclization of 2-geranylphenols promoted by phosphite-urea cooperative catalysts. Chirality. 26: 356-60. PMID 24526498 DOI: 10.1002/Chir.22297 |
0.453 |
|
| 2014 |
Ishihara K. Development of Highly Selective Organic Transformation Reactions Using Halogen Lewis Acids Journal of Synthetic Organic Chemistry, Japan. 72: 137-148. DOI: 10.5059/Yukigoseikyokaishi.72.137 |
0.422 |
|
| 2014 |
Hori M, Sakakura A, Ishihara K. Correction to “Enantioselective 1,3-Dipolar Cycloaddition of Azomethine Imines with Propioloylpyrazoles Induced by Chiral π–Cation Catalysts” Journal of the American Chemical Society. 136: 15438-15438. DOI: 10.1021/Ja509645R |
0.388 |
|
| 2014 |
Hatano M, Ishihara K. ChemInform Abstract: Chiral 1,1′-Binaphthyl-2,2′-disulfonic Acid (BINSA) and Its Derivatives for Asymmetric Catalysis Cheminform. 45: no-no. DOI: 10.1002/CHIN.201428264 |
0.374 |
|
| 2014 |
Hatano M, Horibe T, Yamashita K, Ishihara K. ChemInform Abstract: Chiral Supramolecular Magnesium(II) Binaphtholate Catalysts for the Enantioselective Direct Mannich-Type Reaction and Hetero-Diels-Alder Reaction. Cheminform. 45: no-no. DOI: 10.1002/CHIN.201416032 |
0.425 |
|
| 2014 |
Sawamura Y, Nakatsuji H, Sakakura A, Ishihara K. ChemInform Abstract: “Phosphite-Urea” Cooperative High-Turnover Catalysts for the Highly Selective Bromocyclization of Homogeranylarenes. Cheminform. 45: no-no. DOI: 10.1002/CHIN.201409031 |
0.317 |
|
| 2014 |
Hatano M, Ishihara K. Chiral 1,1′-Binaphthyl-2,2′-Disulfonic Acid (BINSA) and Its Derivatives for Asymmetric Catalysis Asian Journal of Organic Chemistry. 3: 352-365. DOI: 10.1002/Ajoc.201300256 |
0.544 |
|
| 2013 |
Hatano M, Ozaki T, Nishikawa K, Ishihara K. Synthesis of optically pure 3,3'-diaryl binaphthyl disulfonic acids via stepwise N-S bond cleavage. The Journal of Organic Chemistry. 78: 10405-13. PMID 24070223 DOI: 10.1021/Jo401848Z |
0.412 |
|
| 2013 |
Uyanik M, Yasui T, Ishihara K. Hydrogen bonding and alcohol effects in asymmetric hypervalent iodine catalysis: enantioselective oxidative dearomatization of phenols. Angewandte Chemie (International Ed. in English). 52: 9215-8. PMID 23873650 DOI: 10.1002/Anie.201303559 |
0.33 |
|
| 2013 |
Ogura Y, Akakura M, Sakakura A, Ishihara K. Enantioselective cyanoethoxycarbonylation of isatins promoted by a Lewis base-Brønsted acid cooperative catalyst. Angewandte Chemie (International Ed. in English). 52: 8299-303. PMID 23824788 DOI: 10.1002/Anie.201303572 |
0.511 |
|
| 2013 |
Yamashita R, Sakakura A, Ishihara K. Primary alkylboronic acids as highly active catalysts for the dehydrative amide condensation of α-hydroxycarboxylic acids. Organic Letters. 15: 3654-7. PMID 23802908 DOI: 10.1021/Ol401537F |
0.5 |
|
| 2013 |
Sakuma M, Sakakura A, Ishihara K. Kinetic resolution of racemic carboxylic acids through asymmetric protolactonization promoted by chiral phosphonous acid diester. Organic Letters. 15: 2838-41. PMID 23676002 DOI: 10.1021/Ol401313D |
0.493 |
|
| 2013 |
Hatano M, Horibe T, Ishihara K. Chiral magnesium(II) binaphtholates as cooperative Brønsted/Lewis acid-base catalysts for the highly enantioselective addition of phosphorus nucleophiles to α,β-unsaturated esters and ketones. Angewandte Chemie (International Ed. in English). 52: 4549-53. PMID 23495237 DOI: 10.1002/Anie.201300938 |
0.479 |
|
| 2013 |
Hatano M, Ishihara K. Lanthanum(III) catalysts for highly efficient and chemoselective transesterification. Chemical Communications (Cambridge, England). 49: 1983-97. PMID 23325290 DOI: 10.1039/C2Cc38204K |
0.499 |
|
| 2013 |
Sakuma M, Sakakura A, Ishihara K. Kinetic Resolution of Unsaturated Carboxylic Acids via Protolactonization Synfacts. 9: 894-894. DOI: 10.1055/S-0033-1339441 |
0.398 |
|
| 2013 |
Sawamura Y, Nakatsuji H, Sakakura A, Ishihara K. “Phosphite–urea” cooperative high-turnover catalysts for the highly selective bromocyclization of homogeranylarenes Chemical Science. 4: 4181. DOI: 10.1039/C3Sc51432C |
0.459 |
|
| 2013 |
Uyanik M, Ishihara K. Baeyer–Villiger Oxidation Using Hydrogen Peroxide Acs Catalysis. 3: 513-520. DOI: 10.1021/Cs300821U |
0.39 |
|
| 2013 |
Uyanik M, Ishihara K. ChemInform Abstract: Conformationally Flexible Chiral Hypervalent Organoiodine Catalysts for Enantioselective Oxidative Transformations Cheminform. 44: no-no. DOI: 10.1002/CHIN.201328221 |
0.359 |
|
| 2013 |
Hatano M, Horibe T, Ishihara K. Cover Picture: Chiral Magnesium(II) Binaphtholates as Cooperative Brønsted/Lewis Acid-Base Catalysts for the Highly Enantioselective Addition of Phosphorus Nucleophiles to α,β-Unsaturated Esters and Ketones (Angew. Chem. Int. Ed. 17/2013) Angewandte Chemie International Edition. 52: 4495-4495. DOI: 10.1002/Anie.201302124 |
0.514 |
|
| 2013 |
Hatano M, Horibe T, Ishihara K. Titelbild: Chiral Magnesium(II) Binaphtholates as Cooperative Brønsted/Lewis Acid-Base Catalysts for the Highly Enantioselective Addition of Phosphorus Nucleophiles to α,β-Unsaturated Esters and Ketones (Angew. Chem. 17/2013) Angewandte Chemie. 125: 4591-4591. DOI: 10.1002/Ange.201302124 |
0.517 |
|
| 2013 |
Hatano M, Horibe T, Yamashita K, Ishihara K. Chiral Supramolecular Magnesium(II) Binaphtholate Catalysts for the Enantioselective Direct Mannich-Type Reaction and Hetero-Diels-Alder Reaction Asian Journal of Organic Chemistry. 2: 952-956. DOI: 10.1002/Ajoc.201300190 |
0.514 |
|
| 2012 |
Uyanik M, Nakashima D, Ishihara K. Baeyer-Villiger oxidation and oxidative cascade reactions with aqueous hydrogen peroxide catalyzed by lipophilic Li[B(C6F5)4] and Ca[B(C6F5)4]2. Angewandte Chemie (International Ed. in English). 51: 9093-6. PMID 22893230 DOI: 10.1002/Anie.201204286 |
0.654 |
|
| 2012 |
Hatano M, Kamiya S, Ishihara K. In situ generated "lanthanum(III) nitrate alkoxide" as a highly active and nearly neutral transesterification catalyst. Chemical Communications (Cambridge, England). 48: 9465-7. PMID 22875466 DOI: 10.1039/C2Cc34987F |
0.5 |
|
| 2012 |
Uyanik M, Mutsuga T, Ishihara K. IBS-catalyzed regioselective oxidation of phenols to 1,2-quinones with Oxone®. Molecules (Basel, Switzerland). 17: 8604-16. PMID 22810194 DOI: 10.3390/Molecules17078604 |
0.436 |
|
| 2012 |
Koshikari Y, Sakakura A, Ishihara K. N,N-Diarylammonium pyrosulfate as a highly effective reverse micelle-type catalyst for hydrolysis of esters. Organic Letters. 14: 3194-7. PMID 22646708 DOI: 10.1021/Ol301290C |
0.424 |
|
| 2012 |
Sakakura A, Yamada H, Ishihara K. Enantioselective Diels-Alder reaction of α-(acylthio)acroleins: a new entry to sulfur-containing chiral quaternary carbons. Organic Letters. 14: 2972-5. PMID 22632595 DOI: 10.1021/Ol300921F |
0.484 |
|
| 2012 |
Hatano M, Ozaki T, Sugiura Y, Ishihara K. Enantioselective direct aminalization with primary carboxamides catalyzed by chiral ammonium 1,1'-binaphthyl-2,2'-disulfonates. Chemical Communications (Cambridge, England). 48: 4986-8. PMID 22506271 DOI: 10.1039/C2Cc31530K |
0.506 |
|
| 2012 |
Hatano M, Ishihara K. Conformationally flexible chiral supramolecular catalysts for enantioselective Diels-Alder reactions with anomalous endo/exo selectivities. Chemical Communications (Cambridge, England). 48: 4273-83. PMID 22441383 DOI: 10.1039/C2Cc00046F |
0.497 |
|
| 2012 |
Sakakura A, Koshikari Y, Akakura M, Ishihara K. Hydrophobic N,N-diarylammonium pyrosulfates as dehydrative condensation catalysts under aqueous conditions. Organic Letters. 14: 30-3. PMID 22126186 DOI: 10.1021/Ol2027366 |
0.432 |
|
| 2012 |
Uyanik M, Ishihara K. Conformationally-Flexible Chiral Hypervalent Organoiodine Catalysts for Enantioselective Oxidative Transformations Journal of Synthetic Organic Chemistry, Japan. 70: 1116-1122. DOI: 10.5059/Yukigoseikyokaishi.70.1116 |
0.455 |
|
| 2012 |
Sakakura A, Yamada H, Ishihara K. Inside Cover: α-Heterosubstituted β-Alkylacroleins as Useful Multisubstituted Dienophiles for Enantioselective Diels-Alder Reactions (Asian J. Org. Chem. 2/2012) Asian Journal of Organic Chemistry. 1: 94-94. DOI: 10.1002/Ajoc.201290006 |
0.356 |
|
| 2012 |
Sakakura A, Yamada H, Ishihara K. α-Heterosubstituted β-Alkylacroleins as Useful Multisubstituted Dienophiles for Enantioselective Diels-Alder Reactions Asian Journal of Organic Chemistry. 1: 133-137. DOI: 10.1002/Ajoc.201200054 |
0.358 |
|
| 2011 |
Hatano M, Mizuno T, Izumiseki A, Usami R, Asai T, Akakura M, Ishihara K. Enantioselective Diels-Alder reactions with anomalous endo/exo selectivities using conformationally flexible chiral supramolecular catalysts. Angewandte Chemie (International Ed. in English). 50: 12189-92. PMID 22025419 DOI: 10.1002/Anie.201106497 |
0.537 |
|
| 2011 |
Sakakura A, Sakuma M, Ishihara K. Chiral Lewis base-assisted Brønsted acid (LBBA)-catalyzed enantioselective cyclization of 2-geranylphenols. Organic Letters. 13: 3130-3. PMID 21591803 DOI: 10.1021/Ol201032T |
0.536 |
|
| 2011 |
Uyanik M, Suzuki D, Yasui T, Ishihara K. In situ generated (hypo)iodite catalysts for the direct α-oxyacylation of carbonyl compounds with carboxylic acids. Angewandte Chemie (International Ed. in English). 50: 5331-4. PMID 21542079 DOI: 10.1002/Anie.201101522 |
0.48 |
|
| 2011 |
Sakakura A, Ohkubo T, Yamashita R, Akakura M, Ishihara K. Brønsted base-assisted boronic acid catalysis for the dehydrative intramolecular condensation of dicarboxylic acids. Organic Letters. 13: 892-5. PMID 21302920 DOI: 10.1021/Ol102926N |
0.428 |
|
| 2011 |
Hatano M, Furuya Y, Shimmura T, Moriyama K, Kamiya S, Maki T, Ishihara K. Ligand-assisted rate acceleration in lanthanum(III) isopropoxide catalyzed transesterification of carboxylic esters. Organic Letters. 13: 426-9. PMID 21175157 DOI: 10.1021/Ol102753N |
0.415 |
|
| 2011 |
Sakakura A, Ishihara K. Asymmetric Cu(II) catalyses for cycloaddition reactions based on π-cation or n-cation interactions. Chemical Society Reviews. 40: 163-72. PMID 20820460 DOI: 10.1039/B924478F |
0.462 |
|
| 2011 |
Sakakura A, Yamashita R, Ohkubo T, Akakura M, Ishihara K. Intramolecular Dehydrative Condensation of Dicarboxylic Acids with Brønsted Base-Assisted Boronic Acid Catalysts Australian Journal of Chemistry. 64: 1458. DOI: 10.1071/Ch11301 |
0.476 |
|
| 2011 |
Sakakura A, Sakuma M, Ishihara K. Chiral Lewis Base Assisted Brønsted Acids Synfacts. 2011: 899-899. DOI: 10.1055/S-0030-1260843 |
0.466 |
|
| 2011 |
Ishihara K, Hatano M, Sugiura Y, Akakura M. Enantioselective Friedel-Crafts Aminoalkylation Catalyzed by Chiral Ammonium 1,1′-Binaphthyl-2,2′-disulfonates Synlett. 2011: 1247-1250. DOI: 10.1055/S-0030-1260538 |
0.507 |
|
| 2011 |
Sakakura A, Ohkubo T, Yamashita R, Akakura M, Ishihara K. Dehydrative Condensation of Dicarboxylic Acids with AminoboronicAcids Synfacts. 2011: 444-444. DOI: 10.1055/S-0030-1259621 |
0.387 |
|
| 2011 |
Hatano M, Gouzu R, Mizuno T, Abe H, Yamada T, Ishihara K. Catalytic enantioselective alkyl and aryl addition to aldehydes and ketones with organozinc reagents derived from alkyl Grignard reagents or arylboronic acids Catalysis Science & Technology. 1: 1149. DOI: 10.1039/C1Cy00108F |
0.585 |
|
| 2011 |
Hatano M, Mizuno T, Ishihara K. Commercially available neat organozincs as highly reactive reagents for catalytic enantioselective addition to ketones and aldehydes under solvent free conditions Tetrahedron. 67: 4417-4424. DOI: 10.1016/J.Tet.2011.02.042 |
0.449 |
|
| 2011 |
Hatano M, Sugiura Y, Akakura M, Ishihara K. ChemInform Abstract: Enantioselective Friedel-Crafts Aminoalkylation Catalyzed by Chiral Ammonium 1,1′-Binaphthyl-2,2′-disulfonates. Cheminform. 42: no-no. DOI: 10.1002/CHIN.201146102 |
0.34 |
|
| 2011 |
Uyanik M, Ishihara K. ChemInform Abstract: In situ Generated Chiral Quaternary Ammonium (Hypo)iodite Catalysis: Enantioselective Oxidative Cyclizations Cheminform. 42: no-no. DOI: 10.1002/CHIN.201144235 |
0.332 |
|
| 2011 |
Hatano M, Mizuno T, Ishihara K. ChemInform Abstract: Commercially Available Neat Organozincs as Highly Reactive Reagents for Catalytic Enantioselective Addition to Ketones and Aldehydes under Solvent Free Conditions. Cheminform. 42: no-no. DOI: 10.1002/CHIN.201143061 |
0.386 |
|
| 2011 |
Hatano M, Ishihara K. ChemInform Abstract: Highly Practical BINOL-Derived Acid-Base Combined Salt Catalysts for the Asymmetric Direct Mannich-Type Reaction Cheminform. 42: no-no. DOI: 10.1002/CHIN.201108251 |
0.461 |
|
| 2011 |
Uyanik M, Ishihara K. Catalysis with In Situ-Generated (Hypo)iodite Ions for Oxidative Coupling Reactions Chemcatchem. 4: 177-185. DOI: 10.1002/Cctc.201100352 |
0.329 |
|
| 2011 |
Sakakura A, Umemura S, Ishihara K. Desymmetrization of meso-Glycerol Derivatives Induced by L-Histidine-Derived Acylation Catalysts Advanced Synthesis & Catalysis. 353: 1938-1942. DOI: 10.1002/Adsc.201100252 |
0.495 |
|
| 2010 |
Sakakura A, Hori M, Fushimi M, Ishihara K. Catalytic enantioselective 1,3-dipolar cycloadditions of nitrones with propioloylpyrazoles and acryloylpyrazoles induced by chiral π-cation catalysts. Journal of the American Chemical Society. 132: 15550-2. PMID 20958041 DOI: 10.1021/Ja1081603 |
0.542 |
|
| 2010 |
Hatano M, Horibe T, Ishihara K. Magnesium(II)-binaphtholate as a practical chiral catalyst for the enantioselective direct Mannich-type reaction with malonates. Organic Letters. 12: 3502-5. PMID 20608665 DOI: 10.1021/Ol101353R |
0.479 |
|
| 2010 |
Hatano M, Mizuno T, Ishihara K. Catalytic enantioselective synthesis of sterically demanding alcohols using di(2 degrees -alkyl)zinc prepared by the refined Charette's method. Chemical Communications (Cambridge, England). 46: 5443-5. PMID 20585696 DOI: 10.1039/C0Cc01301C |
0.487 |
|
| 2010 |
Hatano M, Ito O, Suzuki S, Ishihara K. Zinc(II)-catalyzed addition of Grignard reagents to ketones. The Journal of Organic Chemistry. 75: 5008-16. PMID 20560525 DOI: 10.1021/Jo100563P |
0.453 |
|
| 2010 |
Uyanik M, Okamoto H, Yasui T, Ishihara K. Quaternary ammonium (hypo)iodite catalysis for enantioselective oxidative cycloetherification. Science (New York, N.Y.). 328: 1376-9. PMID 20538945 DOI: 10.1126/Science.1188217 |
0.415 |
|
| 2010 |
Hatano M, Ito O, Suzuki S, Ishihara K. Zinc(II)-catalyzed Grignard additions to ketones with RMgBr and RMgI. Chemical Communications (Cambridge, England). 46: 2674-6. PMID 20449334 DOI: 10.1039/B926243A |
0.447 |
|
| 2010 |
Hatano M, Moriyama K, Maki T, Ishihara K. Which is the actual catalyst: chiral phosphoric Acid or chiral calcium phosphate? Angewandte Chemie (International Ed. in English). 49: 3823-6. PMID 20408153 DOI: 10.1002/Anie.201000824 |
0.479 |
|
| 2010 |
Uyanik M, Yasui T, Ishihara K. Enantioselective Kita oxidative spirolactonization catalyzed by in situ generated chiral hypervalent iodine(III) species. Angewandte Chemie (International Ed. in English). 49: 2175-7. PMID 20196156 DOI: 10.1002/Anie.200907352 |
0.393 |
|
| 2010 |
Hatano M, Horibe T, Ishihara K. Chiral lithium(I) binaphtholate salts for the enantioselective direct Mannich-type reaction with a change of syn/anti and absolute stereochemistry. Journal of the American Chemical Society. 132: 56-7. PMID 20000707 DOI: 10.1021/Ja909874B |
0.53 |
|
| 2010 |
Ishihara K, Sakakura A, Shomi G, Ukai A. Nucleophilic Phosphine-Catalyzed Iodocyclization of Isoprenoids Bearing an Oxygen Terminal Group Heterocycles. 82: 249. DOI: 10.3987/Com-09-S(E)1 |
0.411 |
|
| 2010 |
Ishihara K, Sakakura A, Hori M, Fushimi M. Enantioselective Cycloaddition of Nitrones with Propioloyl- and Acryloylpyrazoles Synfacts. 2011: 0059-0059. DOI: 10.1055/S-0030-1259174 |
0.507 |
|
| 2010 |
Ishihara K, Hatano M, Horibe T. Mg(II)-BINOLate Salt Catalyzed Asymmetric Mannich-Type Reaction Synfacts. 2010: 1268-1268. DOI: 10.1055/S-0030-1258746 |
0.37 |
|
| 2010 |
Ishihara K, Hatano M. Highly Practical BINOL-Derived Acid-Base Combined Salt Catalysts for the Asymmetric Direct Mannich-Type Reaction Synthesis. 2010: 3785-3801. DOI: 10.1055/S-0030-1258296 |
0.556 |
|
| 2010 |
Ishihara K, Hatano M, Mizuno T. A Concise Synthesis of (S)-(+)-Ginnol Based on Catalytic Enantioselective Addition of Commercially Unavailable Di(n-alkyl)zinc to Aldehydes and Ketones Synlett. 2010: 2024-2028. DOI: 10.1055/S-0030-1258129 |
0.467 |
|
| 2010 |
Ishihara K, Uyanik M, Yasui T. Catalytic Hypervalent Iodine Spirolacton-ization Usingm-CPBA as Co-Oxidant Synfacts. 2010: 1000-1000. DOI: 10.1055/S-0030-1258012 |
0.318 |
|
| 2010 |
Hatano M, Moriyama K, Maki T, Ishihara K. Acid or Salt? New Insights into ‘Phosphoric AcidCatalysis’ Synfacts. 2010: 834-834. DOI: 10.1055/S-0029-1220119 |
0.369 |
|
| 2010 |
Hatano M, Horibe T, Ishihara K. Asymmetric Direct Mannich-Type Reaction Catalyzed by ChiralLithium Complexes Synfacts. 2010: 445-445. DOI: 10.1055/S-0029-1219623 |
0.407 |
|
| 2010 |
Sakakura A, Kondo R, Matsumura Y, Akakura M, Ishihara K. Rational Design of Diels-Alder Catalysts Synfacts. 2010: 308-308. DOI: 10.1055/S-0029-1219327 |
0.412 |
|
| 2010 |
Ishihara K, Hatano M, Suzuki S. Highly Chemoselective Stoichiometric Alkylation of Ketones with Grignard Reagent Derived Zinc(II) Ate Complexes Synlett. 2010: 321-324. DOI: 10.1055/S-0029-1219220 |
0.397 |
|
| 2010 |
Hatano M, Sugiura Y, Ishihara K. Synthesis of chiral 3,3′-disubstituted 1,1′-binaphthyl-2,2′-disulfonic acids Tetrahedron: Asymmetry. 21: 1311-1314. DOI: 10.1016/J.Tetasy.2010.03.014 |
0.462 |
|
| 2010 |
Uyanik M, Yasui T, Ishihara K. Chiral hypervalent iodine-catalyzed enantioselective oxidative Kita spirolactonization of 1-naphthol derivatives and one-pot diastereo-selective oxidation to epoxyspirolactones Tetrahedron. 66: 5841-5851. DOI: 10.1016/J.Tet.2010.04.060 |
0.385 |
|
| 2010 |
Hatano M, Mizuno T, Ishihara K. ChemInform Abstract: A Concise Synthesis of (S)-(+)-Ginnol (VIb) Based on Catalytic Enantioselective Addition of Commercially Unavailable Di(n-alkyl)zinc to Aldehydes and Ketones. Cheminform. 41: no-no. DOI: 10.1002/CHIN.201051064 |
0.367 |
|
| 2010 |
Ishihara K, Hasegawa A, Yamamoto H. ChemInform Abstract: A Fluorous Super Broensted Acid Catalyst: Application to Fluorous Catalysis Without Fluorous Solvents. Cheminform. 33: no-no. DOI: 10.1002/CHIN.200246074 |
0.411 |
|
| 2010 |
Ishihara K, Kondo S, Yamamoto H. ChemInform Abstract: 3,5-Bis(perfluorodecyl)phenylboronic Acids as an Easily Recyclable Direct Amide Condensation Catalyst. Cheminform. 32: no-no. DOI: 10.1002/CHIN.200151077 |
0.432 |
|
| 2010 |
Ishihara K, Yamamoto H. ChemInform Abstract: Arylboron Catalysts for Stereoselective Organic Transformations Cheminform. 32: no-no. DOI: 10.1002/chin.200144276 |
0.417 |
|
| 2010 |
Ishihara K, Nakamura H, Yamamoto H. ChemInform Abstract: Chiral SEM Ether-Tin Tetrachloride as an Enantioselective Hydroxymethylating Reagent for Silyl Enol Ethers: γ-Effect of Silicon. Cheminform. 30: no-no. DOI: 10.1002/CHIN.199952047 |
0.342 |
|
| 2010 |
Ishihara K, Kondo S, Yamamoto H. ChemInform Abstract: A New and Extremely Active Corey′s Chiral Oxazaborolidine Catalyst. Cheminform. 30: no-no. DOI: 10.1002/CHIN.199947051 |
0.363 |
|
| 2010 |
Ishihara K, Yamamoto H. ChemInform Abstract: Arylboron Compounds as Acid Catalysts in Organic Synthetic Transformations Cheminform. 30: no-no. DOI: 10.1002/CHIN.199926287 |
0.333 |
|
| 2010 |
ISHIHARA K, NAKAMURA H, NAKAMURA S, YAMAMOTO H. ChemInform Abstract: Highly Regio- and Stereoselective Isomerization of Silyl Enol Ethers Catalyzed by LBA. A Remarkable Enantiomer Discrimination of Chiral LBA. Cheminform. 30: no-no. DOI: 10.1002/CHIN.199907032 |
0.383 |
|
| 2010 |
ISHIHARA K, INANAGA K, KONDO S, FUNAHASHI M, YAMAMOTO H. ChemInform Abstract: Rational Design of a New Chiral Lewis Catalyst for Enantioselective Diels-Alder Reaction: Optically Active 2-Dichloroboryl-1,1′-binaphthyl. Cheminform. 30: no-no. DOI: 10.1002/CHIN.199903034 |
0.409 |
|
| 2010 |
ISHIHARA K, YAMAMOTO H. ChemInform Abstract: Asymmetric Synthesis with Chiral Lewis Acid Catalysts Cheminform. 29: no-no. DOI: 10.1002/chin.199847330 |
0.558 |
|
| 2010 |
ISHIHARA K, KURIHARA H, YAMAMOTO H. ChemInform Abstract: Bis(pentafluorophenyl)borinic Acid as a Highly Effective Oppenauer Oxidation Catalyst for Allylic and Benzylic Alcohols. Cheminform. 29: no-no. DOI: 10.1002/CHIN.199801050 |
0.374 |
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| 2010 |
ISHIHARA K, HATTORI K, YAMAMOTO H. ChemInform Abstract: Highly Stereoselective Synthesis of β-Amino Esters via Double Stereodifferentiation Cheminform. 28: no-no. DOI: 10.1002/chin.199746320 |
0.391 |
|
| 2010 |
ISHIHARA K, ISHIDA Y, NAKAMURA S, YAMAMOTO H. ChemInform Abstract: First Enantioselective Protonation of Prochiral Allyltrimethyltins Using Lewis Acid Assisted Chiral Broensted Acids. Cheminform. 28: no-no. DOI: 10.1002/CHIN.199746050 |
0.362 |
|
| 2010 |
ISHIHARA K, KURIHARA H, YAMAMOTO H. ChemInform Abstract: Diarylborinic Acids as Efficient Catalysts for Selective Dehydration of Aldols. Cheminform. 28: no-no. DOI: 10.1002/CHIN.199742073 |
0.401 |
|
| 2010 |
ISHIHARA K, KUBOTA M, YAMAMOTO H. ChemInform Abstract: Practical Synthesis of (.+-.)-α-Tocopherol. Trifluoromethanesulfonimide as an Extremely Active Broensted Acid Catalyst for the Condensation of Trimethylhydroquinone with Isophytol. Cheminform. 28: no-no. DOI: 10.1002/CHIN.199715218 |
0.403 |
|
| 2010 |
ISHIHARA K, NAKAMURA S, KANEEDA M, YAMAMOTO H. ChemInform Abstract: First Example of a Highly Enantioselective Catalytic Protonation of Silyl Enol Ethers Using a Novel Lewis Acid-Assisted Broensted Acid System. Cheminform. 28: no-no. DOI: 10.1002/CHIN.199714050 |
0.396 |
|
| 2010 |
ISHIHARA K, KARUMI Y, KUBOTA M, YAMAMOTO H. ChemInform Abstract: Scandium Trifluoromethanesulfonimide and Scandium Trifluoromethanesulfonate as Extremely Active Acetalization Catalysts. Cheminform. 28: no-no. DOI: 10.1002/CHIN.199708081 |
0.342 |
|
| 2010 |
ISHIHARA K, YAMAMOTO H. ChemInform Abstract: Chiral Lewis Acid Catalysts Cheminform. 27: no-no. DOI: 10.1002/chin.199636262 |
0.539 |
|
| 2010 |
ISHIHARA K, KURIHARA H, YAMAMOTO H. ChemInform Abstract: A New Powerful and Practical BLA Catalyst for Highly Enantioselective Diels-Alder Reaction: An Extreme Acceleration of Reaction Rate by Broensted Acid. Cheminform. 27: no-no. DOI: 10.1002/chin.199630062 |
0.519 |
|
| 2010 |
ISHIHARA K, KUBOTA M, YAMAMOTO H. ChemInform Abstract: A New Scandium Complex as an Extremely Active Acylation Catalyst. Cheminform. 27: no-no. DOI: 10.1002/CHIN.199628079 |
0.328 |
|
| 2010 |
ISHIHARA K, HANAKI N, YAMAMOTO H. ChemInform Abstract: Tris(pentafluorophenyl)boron as an Efficient Catalyst in the Stereoselective Rearrangement of Epoxides. Cheminform. 26: no-no. DOI: 10.1002/CHIN.199547071 |
0.386 |
|
| 2010 |
ISHIHARA K, HANAKI N, FUNAHASHI M, MIYATA M, YAMAMOTO H. ChemInform Abstract: Tris(pentafluorophenyl)boron as an Efficient, Air-Stable, and Water- Tolerant Lewis Acid Catalyst. Cheminform. 26: no-no. DOI: 10.1002/CHIN.199542056 |
0.351 |
|
| 2010 |
ISHIHARA K, HANAKI N, YAMAMOTO H. ChemInform Abstract: Highly Regio- and Stereoselective Annulation-Elimination Reactions of 1-Cycloalkenyl 3-Hydroxypropyl Ethers. Cheminform. 26: no-no. DOI: 10.1002/CHIN.199541188 |
0.335 |
|
| 2010 |
ISHIHARA K, KUBOTA M, KURIHARA H, YAMAMOTO H. ChemInform Abstract: Scandium Trifluoromethanesulfonate as an Extremely Active Acylation Catalyst. Cheminform. 26: no-no. DOI: 10.1002/CHIN.199534095 |
0.336 |
|
| 2010 |
ISHIHARA K, MIYATA M, HATTORI K, TADA T, YAMAMOTO H. ChemInform Abstract: A New Chiral BLA Promoter for Asymmetric Aza Diels-Alder and Aldol- Type Reactions of Imines. Cheminform. 26: no-no. DOI: 10.1002/CHIN.199519041 |
0.365 |
|
| 2010 |
ISHIHARA K, YAMAMOTO H. ChemInform Abstract: Broensted Acid Assisted Chiral Lewis Acid (BLA) Catalyst for Asymmetric Diels-Alder Reaction. Cheminform. 25: no-no. DOI: 10.1002/CHIN.199426042 |
0.496 |
|
| 2010 |
ISHIHARA K, HANAKI N, YAMAMOTO H. ChemInform Abstract: Reductive Cleavage of Chiral Acetals Using New Aluminum Catalyst. Cheminform. 25: no-no. DOI: 10.1002/CHIN.199416050 |
0.401 |
|
| 2010 |
COREY EJ, ROPER TD, ISHIHARA K, SARAKINOS G. ChemInform Abstract: Catalytic Enantioselective Diels-Alder Reactions Using Titanium Complexes of cis-N-Sulfonyl-2-amino-1-indanols. Cheminform. 25: no-no. DOI: 10.1002/CHIN.199416044 |
0.337 |
|
| 2010 |
ISHIHARA K, GAO Q, YAMAMOTO H. ChemInform Abstract: Enantioselective Diels-Alder Reaction of α-Bromo α,β- Enals with Dienes Under Catalysis by CAB. Cheminform. 25: no-no. DOI: 10.1002/chin.199412047 |
0.36 |
|
| 2010 |
ISHIHARA K, HANANKI N, YAMAMOTO H. ChemInform Abstract: Tris(pentafluorophenyl)boron as a New Efficient, Air Stable, and Water Tolerant Catalyst in the Aldol-Type and Michael Reactions. Cheminform. 25: no-no. DOI: 10.1002/CHIN.199410063 |
0.357 |
|
| 2010 |
ISHIHARA K, HANAKI N, YAMAMOTO H. ChemInform Abstract: Highly Diastereoselective Acetal Cleavages Using Novel Reagents Prepared from Organoaluminum and Pentafluorophenol. Cheminform. 25: no-no. DOI: 10.1002/CHIN.199409054 |
0.324 |
|
| 2010 |
ISHIHARA K, MARUYAMA T, MOURI M, GAO Q, FURUTA K, YAMAMOTO H. ChemInform Abstract: Catalytic Asymmetric Aldol-Type Reactions Using a Chiral (Acyloxy) borane Complex. Cheminform. 25: no-no. DOI: 10.1002/CHIN.199408124 |
0.387 |
|
| 2010 |
COREY EJ, ISHIHARA K. ChemInform Abstract: Highly Enantioselective Catalytic Diels-Alder Addition Promoted by a Chiral Bis(oxazoline)-Magnesium Complex. Cheminform. 24: no-no. DOI: 10.1002/CHIN.199317071 |
0.366 |
|
| 2010 |
Hatano M, Moriyama K, Maki T, Ishihara K. Cover Picture: Which Is the Actual Catalyst: Chiral Phosphoric Acid or Chiral Calcium Phosphate? (Angew. Chem. Int. Ed. 22/2010) Angewandte Chemie International Edition. 49: 3699-3699. DOI: 10.1002/Anie.201002202 |
0.476 |
|
| 2010 |
Uyanik M, Yasui T, Ishihara K. Cover Picture: Enantioselective Kita Oxidative Spirolactonization Catalyzed by In Situ Generated Chiral Hypervalent Iodine(III) Species (Angew. Chem. Int. Ed. 12/2010) Angewandte Chemie International Edition. 49: 2069-2069. DOI: 10.1002/Anie.201000768 |
0.387 |
|
| 2010 |
Hatano M, Moriyama K, Maki T, Ishihara K. Titelbild: Which Is the Actual Catalyst: Chiral Phosphoric Acid or Chiral Calcium Phosphate? (Angew. Chem. 22/2010) Angewandte Chemie. 122: 3783-3783. DOI: 10.1002/Ange.201002202 |
0.479 |
|
| 2010 |
Uyanik M, Yasui T, Ishihara K. Titelbild: Enantioselective Kita Oxidative Spirolactonization Catalyzed by In Situ Generated Chiral Hypervalent Iodine(III) Species (Angew. Chem. 12/2010) Angewandte Chemie. 122: 2113-2113. DOI: 10.1002/Ange.201000768 |
0.394 |
|
| 2009 |
Sakakura A, Kondo R, Matsumura Y, Akakura M, Ishihara K. Rational design of highly effective asymmetric Diels-Alder catalysts bearing 4,4'-sulfonamidomethyl groups. Journal of the American Chemical Society. 131: 17762-4. PMID 19924906 DOI: 10.1021/Ja906098B |
0.442 |
|
| 2009 |
Ishihara K. Rational design of dynamic ammonium salt catalysts towards more flexible and selective function. Proceedings of the Japan Academy. Series B, Physical and Biological Sciences. 85: 290-313. PMID 19838010 DOI: JST.JSTAGE/pjab/85.290 |
0.41 |
|
| 2009 |
Uyanik M, Fukatsu R, Ishihara K. IBS-catalyzed oxidative rearrangement of tertiary allylic alcohols to enones with oxone. Organic Letters. 11: 3470-3. PMID 19580295 DOI: 10.1021/Ol9013188 |
0.386 |
|
| 2009 |
Hatano M, Hattori Y, Furuya Y, Ishihara K. Chiral lanthanum(III)-binaphthyldisulfonate complexes for catalytic enantioselective Strecker reaction. Organic Letters. 11: 2321-4. PMID 19405538 DOI: 10.1021/Ol900680F |
0.51 |
|
| 2009 |
Uyanik M, Yasui T, Ishihara K. Hypervalent iodine-catalyzed oxylactonization of ketocarboxylic acids to ketolactones. Bioorganic & Medicinal Chemistry Letters. 19: 3848-51. PMID 19376702 DOI: 10.1016/J.Bmcl.2009.03.148 |
0.419 |
|
| 2009 |
Uyanik M, Ishihara K. Hypervalent iodine-mediated oxidation of alcohols. Chemical Communications (Cambridge, England). 2086-99. PMID 19360158 DOI: 10.1039/B823399C |
0.418 |
|
| 2009 |
Uyanik M, Akakura M, Ishihara K. 2-Iodoxybenzenesulfonic acid as an extremely active catalyst for the selective oxidation of alcohols to aldehydes, ketones, carboxylic acids, and enones with oxone. Journal of the American Chemical Society. 131: 251-62. PMID 19053813 DOI: 10.1021/Ja807110N |
0.454 |
|
| 2009 |
Hatano M, Hattori Y, Furuya Y, Ishihara K. Lanthanum(III)-Binaphthyldisulfonate Complex Catalyzed StreckerReaction Synfacts. 2009: 989-989. DOI: 10.1055/S-0029-1217635 |
0.301 |
|
| 2009 |
Ishihara K, Sakakura A, Umemura S. 3-Pyrroline-1-carbonyl (Pyroc)
Group: A Removable Protecting Group for the Kinetic Resolution
of Racemic Carboxylic Acids and Alcohols through Catalytic Asymmetric
Acylation Synlett. 2009: 1647-1650. DOI: 10.1055/S-0029-1217321 |
0.44 |
|
| 2009 |
Hatano M, Maki T, Moriyama K, Arinobe M, Ishihara K. Chiral Brønsted Acid-Base Pyridinium DisulfonateCatalysts Synfacts. 2009: 207-207. DOI: 10.1055/S-0028-1087593 |
0.458 |
|
| 2009 |
Hatano M, Suzuki S, Takagi E, Ishihara K. Highly efficient synthesis of functionalized tertiary alcohols catalyzed by potassium alkoxide-crown ether complexes Tetrahedron Letters. 50: 3171-3174. DOI: 10.1016/J.Tetlet.2009.01.028 |
0.535 |
|
| 2009 |
Sakakura A, Kondo R, Umemura S, Ishihara K. Dehydrative cyclization of serine, threonine, and cysteine residues catalyzed by molybdenum(VI) oxo compounds Tetrahedron. 65: 2102-2109. DOI: 10.1016/J.Tet.2008.12.074 |
0.469 |
|
| 2009 |
Ishihara K. Dehydrative condensation catalyses Tetrahedron. 65: 1085-1109. DOI: 10.1016/J.Tet.2008.11.004 |
0.466 |
|
| 2009 |
Sakakura A, Sakuma M, Katsukawa M, Ishihara K. ChemInform Abstract: Selective Synthesis of Cyclic Phosphoric Acid Diesters Through Oxorhenium(VII)-Catalyzed Dehydrative Condensation of Phosphoric Acid with Alcohols. Cheminform. 40. DOI: 10.1002/CHIN.200910168 |
0.337 |
|
| 2009 |
Ishihara K, Yano T, Fushimi M. ChemInform Abstract: Asymmetric Intramolecular Cannizzaro Reaction of Anhydrous Phenylglyoxal Cheminform. 40. DOI: 10.1002/CHIN.200907080 |
0.324 |
|
| 2008 |
Hatano M, Maki T, Moriyama K, Arinobe M, Ishihara K. Pyridinium 1,1'-binaphthyl-2,2'-disulfonates as highly effective chiral Brønsted acid-base combined salt catalysts for enantioselective Mannich-type reaction. Journal of the American Chemical Society. 130: 16858-60. PMID 19053478 DOI: 10.1021/Ja806875C |
0.577 |
|
| 2008 |
Sakakura A, Umemura S, Ishihara K. Convergent total syntheses of fluvibactin and vibriobactin using molybdenum(VI) oxide-catalyzed dehydrative cyclization as a key step. Chemical Communications (Cambridge, England). 3561-3. PMID 18654713 DOI: 10.1039/B805880F |
0.418 |
|
| 2008 |
Ishihara K, Kosugi Y, Umemura S, Sakakura A. Kinetic resolution of racemic carboxylic acids by an L-histidine-derived sulfonamide-induced enantioselective esterification reaction. Organic Letters. 10: 3191-4. PMID 18582068 DOI: 10.1021/Ol801007M |
0.512 |
|
| 2008 |
Hatano M, Ishihara K. Catalytic enantioselective organozinc addition toward optically active tertiary alcohol synthesis. Chemical Record (New York, N.Y.). 8: 143-55. PMID 18563831 DOI: 10.1002/Tcr.20146 |
0.458 |
|
| 2008 |
Ishihara K, Nakano K, Akakura M. Organocatalytic enantioselective Diels-Alder reaction of dienes with alpha-(N,N-Diacylamino)acroleins. Organic Letters. 10: 2893-6. PMID 18533670 DOI: 10.1021/Ol8011277 |
0.427 |
|
| 2008 |
Sakakura A, Watanabe H, Ishihara K. Rate-accelerating effect by the neighboring-group participation of protecting groups in the dehydrative cyclization of 1,3,5-triketones. Organic Letters. 10: 2569-72. PMID 18503276 DOI: 10.1021/Ol800860P |
0.38 |
|
| 2008 |
Ishihara K, Fushimi M. Catalytic enantioselective [2 + 4] and [2 + 2] cycloaddition reactions with propiolamides. Journal of the American Chemical Society. 130: 7532-3. PMID 18494473 DOI: 10.1021/Ja8015318 |
0.448 |
|
| 2008 |
Ishihara K, Niwa M, Kosugi Y. Zwitterionic salts as mild organocatalysts for transesterification. Organic Letters. 10: 2187-90. PMID 18442240 DOI: 10.1021/Ol8005979 |
0.504 |
|
| 2008 |
Ishihara K, Sakakura A, Sakuma M, Katsukawa M. Selective Synthesis of Cyclic Phosphoric Acid Diesters through Oxorhenium(VII)-Catalyzed Dehydrative Condensation of Phosphoric Acid with Alcohols Heterocycles. 76: 657. DOI: 10.3987/Com-08-S(N)58 |
0.469 |
|
| 2008 |
Ishihara K, Fushimi M. Copper-Catalyzed Enantioselective [4+2] and [2+2] Cycloadditions Synfacts. 2008: 832-832. DOI: 10.1055/S-2008-1077907 |
0.394 |
|
| 2008 |
Ishihara K, Hatano M. Recent Progress in the Catalytic Synthesis of Tertiary Alcohols from Ketones with Organometallic Reagents Synthesis. 2008: 1647-1675. DOI: 10.1055/S-2008-1067046 |
0.523 |
|
| 2008 |
Sakakura A, Koshikari Y, Ishihara K. Open-air and solvent-free ester condensation catalyzed by sulfonic acids Tetrahedron Letters. 49: 5017-5020. DOI: 10.1016/J.Tetlet.2008.06.058 |
0.447 |
|
| 2008 |
Hatano M, Asai T, Ishihara K. Enantioselective alkynylation to aldimines catalyzed by chiral 2,2′-di(2-aminoaryloxy)-1,1′-binaphthyl-copper(I) complexes Tetrahedron Letters. 49: 379-382. DOI: 10.1016/J.Tetlet.2007.11.032 |
0.385 |
|
| 2008 |
Ishihara K, Yano T, Fushimi M. Asymmetric intramolecular Cannizzaro reaction of anhydrous phenylglyoxal Journal of Fluorine Chemistry. 129: 994-997. DOI: 10.1016/J.Jfluchem.2008.04.008 |
0.38 |
|
| 2008 |
Hatano M, Ikeno T, Matsumura T, Torii S, Ishihara K. ChemInform Abstract: Chiral Lithium Salts of Phosphoric Acids as Lewis Acid-Base Conjugate Catalysts for the Enantioselective Cyanosilylation of Ketones. Cheminform. 39. DOI: 10.1002/CHIN.200850075 |
0.47 |
|
| 2008 |
Sakakura A, Koshikari Y, Ishihara K. ChemInform Abstract: Open-Air and Solvent-Free Ester Condensation Catalyzed by Sulfonic Acids. Cheminform. 39. DOI: 10.1002/CHIN.200847060 |
0.306 |
|
| 2008 |
Hatano M, Asai T, Ishihara K. ChemInform Abstract: Enantioselective Conjugate Addition of Dialkylzinc to Cyclic Enones Catalyzed by Chiral Binaphthyldiamine—Copper(I) Complexes. Cheminform. 39. DOI: 10.1002/CHIN.200812032 |
0.345 |
|
| 2008 |
Hatano M, Ikeno T, Matsumura T, Torii S, Ishihara K. Chiral Lithium Salts of Phosphoric Acids as Lewis Acid-Base Conjugate Catalysts for the Enantioselective Cyanosilylation of Ketones Advanced Synthesis & Catalysis. 350: 1776-1780. DOI: 10.1002/Adsc.200800314 |
0.552 |
|
| 2007 |
Sakakura A, Kawajiri K, Ohkubo T, Kosugi Y, Ishihara K. Widely useful DMAP-catalyzed esterification under auxiliary base- and solvent-free conditions. Journal of the American Chemical Society. 129: 14775-9. PMID 17983230 DOI: 10.1021/Ja075824W |
0.414 |
|
| 2007 |
Hatano M, Miyamoto T, Ishihara K. Highly active chiral phosphoramide-Zn(II) complexes as conjugate acid-base catalysts for enantioselective organozinc addition to ketones. Organic Letters. 9: 4535-8. PMID 17902685 DOI: 10.1021/Ol702074A |
0.575 |
|
| 2007 |
Hatano M, Takagi E, Ishihara K. Sodium phenoxide-phosphine oxides as extremely active Lewis base catalysts for the Mukaiyama aldol reaction with ketones. Organic Letters. 9: 4527-30. PMID 17894505 DOI: 10.1021/Ol702052R |
0.538 |
|
| 2007 |
Ishihara K, Fushimi M, Akakura M. Rational design of minimal artificial Diels-Alderases based on the copper(II) cation-aromatic pi attractive interaction. Accounts of Chemical Research. 40: 1049-55. PMID 17661439 DOI: 10.1021/Ar700083A |
0.481 |
|
| 2007 |
Sakakura A, Nakagawa S, Ishihara K. Direct ester condensation catalyzed by bulky diarylammonium pentafluorobenzenesulfonates. Nature Protocols. 2: 1746-51. PMID 17641640 DOI: 10.1038/Nprot.2007.254 |
0.423 |
|
| 2007 |
Sakakura A, Watanabe H, Nakagawa S, Ishihara K. Unusual rate acceleration in Brønsted acid catalyzed dehydration reactions: local hydrophobic environment in aggregated N-(2,6-diphenylphenyl)-N-mesitylammonium pentafluorobenzenesulfonates. Chemistry, An Asian Journal. 2: 477-83. PMID 17441184 DOI: 10.1002/Asia.200600380 |
0.415 |
|
| 2007 |
Sakakura A, Ukai A, Ishihara K. Enantioselective halocyclization of polyprenoids induced by nucleophilic phosphoramidites. Nature. 445: 900-3. PMID 17314976 DOI: 10.1038/Nature05553 |
0.458 |
|
| 2007 |
Sakakura A, Katsukawa M, Ishihara K. The oxorhenium(VII)-catalyzed direct condensation of phosphoric acid with an alcohol. Angewandte Chemie (International Ed. in English). 46: 1423-6. PMID 17226888 DOI: 10.1002/Anie.200604333 |
0.373 |
|
| 2007 |
Furuya Y, Ishihara K, Yamamoto H. Perrhenic Acid Catalyzed Dehydration from Primary Amides, Aldoximes, N-Monoacylureas, and α-Substituted Ketoximes to Nitrile Compounds. Cheminform. 38. DOI: 10.1246/Bcsj.80.400 |
0.49 |
|
| 2007 |
Furuya Y, Ishihara K, Yamamoto H. Perrhenic Acid-Catalyzed Dehydration from Primary Amides, Aldoximes,N-Monoacylureas, and α-Substituted Ketoximes to Nitrile Compounds Bulletin of the Chemical Society of Japan. 80: 400-406. DOI: 10.1246/bcsj.80.400 |
0.406 |
|
| 2007 |
Ishihara K, Sakakura A, Hatano M. Design of Highly Functional Small-Molecule Catalysts and Related Reactions Based on Acid-Base Combination Chemistry Synlett. 2007: 0686-0703. DOI: 10.1055/S-2007-970776 |
0.522 |
|
| 2007 |
Ishihara K, Nakano K. Iminium Catalytic [2+2] Cycloaddition Synfacts. 2007: 1094-1094. DOI: 10.1055/S-2007-968997 |
0.486 |
|
| 2007 |
Sakakura A, Katsukawa M, Hayashi T, Ishihara K. Bulky phosphazenium cation catalysis for dehydrative condensation of phosphoric acid with alcohols Green Chemistry. 9: 1166. DOI: 10.1039/B707974E |
0.408 |
|
| 2007 |
Hatano M, Takagi E, Ishihara K. Sodium phenoxide-phosphine oxides as extremely active Lewis base catalysts for the Mukaiyama aldol reaction with ketones Organic Letters. 9: 4527-4530. DOI: 10.1021/ol702052r |
0.437 |
|
| 2007 |
Hatano M, Asai T, Ishihara K. Enantioselective conjugate addition of dialkylzinc to cyclic enones catalyzed by chiral binaphthyldiamine–copper(I) complexes Tetrahedron Letters. 48: 8590-8594. DOI: 10.1016/J.Tetlet.2007.10.061 |
0.481 |
|
| 2007 |
Maki T, Ishihara K, Yamamoto H. New Boron(III)-Catalyzed Amide and Ester Condensation Reactions. Cheminform. 38. DOI: 10.1016/J.Tet.2007.03.157 |
0.611 |
|
| 2007 |
Maki T, Ishihara K, Yamamoto H. New boron(III)-catalyzed amide and ester condensation reactions Tetrahedron. 63: 8645-8657. DOI: 10.1016/J.TET.2007.03.157 |
0.357 |
|
| 2007 |
Kosugi Y, Akakura M, Ishihara K. Kinetic Resolution of Racemic Alcohols Catalyzed by Minimal Artificial Acylases Derived from L-Histidine. Cheminform. 38. DOI: 10.1016/J.Tet.2007.02.020 |
0.419 |
|
| 2007 |
Hatano M, Takagi E, Arinobe M, Ishihara K. Dimeric scandium(III) and monomeric lanthanide(III) complexes with perfluoropropane-1,3-disulfonates as counter anions for Lewis acid catalysis Journal of Organometallic Chemistry. 692: 569-578. DOI: 10.1016/J.Jorganchem.2006.05.057 |
0.361 |
|
| 2007 |
Ishihara K, Sakakura A, Hatano M. Design of Highly Functional Small-Molecule Catalysts and Related Reactions Based on Acid—Base Combination Chemistry Cheminform. 38. DOI: 10.1002/CHIN.200727214 |
0.322 |
|
| 2007 |
Sakakura A, Kondo R, Umemura S, Ishihara K. Catalytic Synthesis of Peptide-Derived Thiazolines and Oxazolines Using Bis(quinolinolato)dioxomolybdenum(VI) Complexes. Cheminform. 38. DOI: 10.1002/Adsc.200700068 |
0.4 |
|
| 2007 |
Sakakura A, Umemura S, Kondo R, Ishihara K. Dehydrative Cyclization Catalyzed by the Combination of Molybdenum(VI) Oxides and Benzoic Acids: First Synthesis of the Antitumour Substance BE-70016 Advanced Synthesis & Catalysis. 349: 551-555. DOI: 10.1002/Adsc.200600550 |
0.466 |
|
| 2006 |
Uyanik M, Ishihara K, Yamamoto H. Catalytic diastereoselective polycyclization of homo(polyprenyl)arene analogues bearing terminal siloxyvinyl groups. Organic Letters. 8: 5649-52. PMID 17107094 DOI: 10.1021/Ol062378T |
0.438 |
|
| 2006 |
Hatano M, Miyamoto T, Ishihara K. 3,3'-Diphosphoryl-1,1'-bi-2-naphthol-Zn(II) complexes as conjugate acid-base catalysts for enantioselective dialkylzinc addition to aldehydes. The Journal of Organic Chemistry. 71: 6474-84. PMID 16901133 DOI: 10.1021/Jo060908T |
0.416 |
|
| 2006 |
Hatano M, Suzuki S, Ishihara K. Highly efficient alkylation to ketones and aldimines with Grignard reagents catalyzed by zinc(II) chloride. Journal of the American Chemical Society. 128: 9998-9. PMID 16881613 DOI: 10.1021/Ja0628405 |
0.417 |
|
| 2006 |
Hasegawa A, Naganawa Y, Fushimi M, Ishihara K, Yamamoto H. Design of Brønsted acid-assisted chiral Brønsted acid catalyst bearing a bis(triflyl)methyl group for a Mannich-type reaction. Organic Letters. 8: 3175-8. PMID 16836359 DOI: 10.1021/Ol060939A |
0.623 |
|
| 2006 |
Sakakura A, Suzuki K, Nakano K, Ishihara K. Chiral 1,1'-binaphthyl-2,2'-diammonium salt catalysts for the enantioselective Diels-Alder reaction with alpha-acyloxyacroleins. Organic Letters. 8: 2229-32. PMID 16706493 DOI: 10.1021/Ol060490L |
0.521 |
|
| 2006 |
Ishihara K, Fushimi M. Design of a small-molecule catalyst using intramolecular cation-pi interactions for enantioselective Diels-Alder and Mukaiyama-Michael reactions: L-DOPA-derived monopeptide.Cu(II) complex. Organic Letters. 8: 1921-4. PMID 16623585 DOI: 10.1021/Ol060651L |
0.454 |
|
| 2006 |
Maki T, Ishihara K, Yamamoto H. 4,5,6,7-Tetrachlorobenzo[d][1,3,2]dioxaborol- 2-ol as an effective catalyst for the amide condensation of sterically demanding carboxylic acids. Organic Letters. 8: 1431-4. PMID 16562909 DOI: 10.1021/Ol060216R |
0.594 |
|
| 2006 |
Sakakura A, Ishihara K. Development of Environmentally Benign Catalytic Dehydration Process Journal of Synthetic Organic Chemistry, Japan. 64: 651-663. DOI: 10.5059/Yukigoseikyokaishi.64.651 |
0.304 |
|
| 2006 |
Ishihara K, Hatano M, Suzuki S. ZnCl2-Catalyzed Addition of Grignard Reagents to Ketones and Aldimines Synfacts. 2006: 1166-1166. DOI: 10.1055/s-2006-949485 |
0.42 |
|
| 2006 |
Ishihara K, Hatano M, Miyamoto T. Enantioselective Dialkylzinc Addition to Aldehydes Synfacts. 2006: 1129-1129. DOI: 10.1055/S-2006-949452 |
0.537 |
|
| 2006 |
Ishihara K, Yamamoto H, Nakamura Y, Maki T, Wang X. A Polymer-Supported Fe-Zr Catalyst for Dehydrative Esterfication Synfacts. 2006: 1186-1186. DOI: 10.1055/S-2006-949405 |
0.333 |
|
| 2006 |
Ishihara K, Hatano M, Miyamoto T. Dialkylzinc Addition to Aldehydes Catalyzed by Chiral Zn(II)-BINOLates Synfacts. 2006: 1025-1025. DOI: 10.1055/S-2006-949340 |
0.387 |
|
| 2006 |
Ishihara K, Hatano M, Miyamoto T. Enantioselective Dialkylzinc Addition to Aldehydes Catalyzed by Chiral Zn(II)-BINOLates Bearing Phosphonates and Phosphoramides in the 3,3′-Positions Synlett. 2006: 1762-1764. DOI: 10.1055/S-2006-944201 |
0.486 |
|
| 2006 |
Ishihara K, Sakakura A, Suzuki K, Nakano K. Asymmetric Diels-Alder Reaction Catalyzed by a Chiral Diammonium Salt Synfacts. 2006: 0726-0726. DOI: 10.1055/s-2006-941909 |
0.4 |
|
| 2006 |
Sakakura A, Nakagawa S, Ishihara K. Bulky diarylammonium arenesulfonates as mild and extremely active dehydrative ester condensation catalysts Tetrahedron. 62: 422-433. DOI: 10.1016/J.Tet.2005.09.059 |
0.515 |
|
| 2006 |
Hiraiwa Y, Ishihara K, Yamamoto H. Crucial role of the conjugate base for silyl Lewis acid induced Mukaiyama aldol reactions European Journal of Organic Chemistry. 1837-1844. DOI: 10.1002/Ejoc.200500845 |
0.753 |
|
| 2006 |
Nakamura Y, Maki T, Wang X, Ishihara K, Yamamoto H. Iron(III)—Zirconium(IV) Combined Salt Immobilized on N-(Polystyrylbutyl)pyridinium Triflylimide as a Reusable Catalyst for a Dehydrative Esterification Reaction. Cheminform. 37. DOI: 10.1002/CHIN.200647067 |
0.336 |
|
| 2006 |
Hatano M, Miyamoto T, Ishihara K. Enantioselective Dialkylzinc Addition to Aldehydes Catalyzed by Chiral Zn(II)-BINOLates Bearing Phosphonates and Phosphoramides in the 3,3′-Positions. Cheminform. 37. DOI: 10.1002/chin.200646105 |
0.305 |
|
| 2006 |
Sakakura A, Nakagawa S, Ishihara K. Bulky Diarylammonium Arenesulfonates as Mild and Extremely Active Dehydrative Ester Condensation Catalysts. Cheminform. 37. DOI: 10.1002/CHIN.200622054 |
0.367 |
|
| 2006 |
Nakamura Y, Maki T, Wang X, Ishihara K, Yamamoto H. Iron(III)–Zirconium(IV) Combined Salt Immobilized onN-(Polystyrylbutyl)pyridinium Triflylimide as a Reusable Catalyst for a Dehydrative Esterification Reaction Advanced Synthesis & Catalysis. 348: 1505-1510. DOI: 10.1002/Adsc.200606126 |
0.561 |
|
| 2006 |
Sakakura A, Suzuki K, Ishihara K. Enantioselective Diels–Alder Reaction of α-Acyloxyacroleins Catalyzed by Chiral 1,1′-Binaphthyl-2,2′-diammonium Salts Advanced Synthesis & Catalysis. 348: 2457-2465. DOI: 10.1002/Adsc.200600322 |
0.499 |
|
| 2005 |
Maki T, Ishihara K, Yamamoto H. N-alkyl-4-boronopyridinium halides versus boric acid as catalysts for the esterification of alpha-hydroxycarboxylic acids. Organic Letters. 7: 5047-50. PMID 16235954 DOI: 10.1021/Ol052061D |
0.594 |
|
| 2005 |
Maki T, Ishihara K, Yamamoto H. N-alkyl-4-boronopyridinium salts as thermally stable and reusable amide condensation catalysts. Organic Letters. 7: 5043-6. PMID 16235953 DOI: 10.1021/Ol052060L |
0.535 |
|
| 2005 |
Furuya Y, Ishihara K, Yamamoto H. Cyanuric chloride as a mild and active Beckmann rearrangement catalyst. Journal of the American Chemical Society. 127: 11240-1. PMID 16089442 DOI: 10.1021/Ja053441X |
0.592 |
|
| 2005 |
Hatano M, Ikeno T, Miyamoto T, Ishihara K. Chiral lithium binaphtholate aqua complex as a highly effective asymmetric catalyst for cyanohydrin synthesis. Journal of the American Chemical Society. 127: 10776-7. PMID 16076152 DOI: 10.1021/Ja051125C |
0.514 |
|
| 2005 |
Ishihara K, Nakano K. Design of an organocatalyst for the enantioselective Diels-Alder reaction with alpha-acyloxyacroleins. Journal of the American Chemical Society. 127: 10504-5. PMID 16045334 DOI: 10.1021/Ja053368A |
0.404 |
|
| 2005 |
Uyanik M, Ishihara K, Yamamoto H. Biomimetic synthesis of acid-sensitive (-)- and (+)-caparrapi oxides, (-)- and (+)-8-epicaparrapi oxides, and (+)-dysifragin induced by artificial cyclases. Bioorganic & Medicinal Chemistry. 13: 5055-65. PMID 15878281 DOI: 10.1016/J.Bmc.2005.04.029 |
0.516 |
|
| 2005 |
Sakakura A, Katsukawa M, Ishihara K. Selective synthesis of phosphate monoesters by dehydrative condensation of phosphoric acid and alcohols promoted by nucleophilic bases. Organic Letters. 7: 1999-2002. PMID 15876039 DOI: 10.1021/Ol0504796 |
0.428 |
|
| 2005 |
Sakakura A, Kondo R, Ishihara K. Molybdenum oxides as highly effective dehydrative cyclization catalysts for the synthesis of oxazolines and thiazolines. Organic Letters. 7: 1971-4. PMID 15876032 DOI: 10.1021/Ol050543J |
0.441 |
|
| 2005 |
Uyanik M, Ishibashi H, Ishihara K, Yamamoto H. Biomimetic synthesis of acid-sensitive (-)-caparrapi oxide and (+)-8-epicaparrapi oxide induced by artificial cyclases. Organic Letters. 7: 1601-4. PMID 15816762 DOI: 10.1021/Ol050295R |
0.532 |
|
| 2005 |
Ishihara K, Nakagawa S, Sakakura A. Bulky diarylammonium arenesulfonates as selective esterification catalysts. Journal of the American Chemical Society. 127: 4168-9. PMID 15783188 DOI: 10.1055/S-2005-869884 |
0.512 |
|
| 2005 |
Hatano M, Matsumura T, Ishihara K. Highly alkyl-selective addition to ketones with magnesium ate complexes derived from Grignard reagents. Organic Letters. 7: 573-6. PMID 15704897 DOI: 10.1021/Ol047685I |
0.41 |
|
| 2005 |
Hasegawa A, Ishikawa T, Ishihara K, Yamamoto H. Facile Synthesis of Aryl- and Alkyl-bis(trifluoromethylsulfonyl)methanes. Cheminform. 36. DOI: 10.1246/Bcsj.78.1401 |
0.465 |
|
| 2005 |
Hasegawa A, Ishikawa T, Ishihara K, Yamamoto H. Facile Synthesis of Aryl- and Alkyl-bis(trifluoromethylsulfonyl)methanes Bulletin of the Chemical Society of Japan. 78: 1401-1410. DOI: 10.1246/bcsj.78.1401 |
0.444 |
|
| 2005 |
Ishihara K, Yamamoto H, Maki T. N-Alkyl-4-boronopyridinium Salts for Dehydrative Condensations Synfacts. 2006: 0089-0089. DOI: 10.1055/S-2005-921736 |
0.41 |
|
| 2005 |
Hatano M, Ikeno T, Miyamoto T, Ishihara K. Chiral Lithium Binaphtholate Aqua Complex for Cyanohydrin Synthesis Synfacts. 2005: 228-228. DOI: 10.1055/S-2005-916107 |
0.393 |
|
| 2005 |
Ishihara K, Yamamoto H. Liquid/Solid Catalyst Recycling Method without Fluorous Solvents Cheminform. 36. DOI: 10.1002/chin.200545289 |
0.392 |
|
| 2005 |
Hatano M, Miyamoto T, Ishihara K. Enantioselective Addition of Organozinc Reagents to Aldehydes Catalyzed by 3,3′-Bis(diphenylphosphinoyl)-BINOL Advanced Synthesis & Catalysis. 347: 1561-1568. DOI: 10.1002/Adsc.200505221 |
0.44 |
|
| 2005 |
Sato A, Nakamura Y, Maki T, Ishihara K, Yamamoto H. Zr(IV)Fe(III), Ga(III), and Sn(IV) Binary Metal Complexes as Synergistic and Reusable Esterification Catalysts Advanced Synthesis & Catalysis. 347: 1337-1340. DOI: 10.1002/Adsc.200505083 |
0.467 |
|
| 2005 |
Kokubo Y, Hasegawa A, Kuwata S, Ishihara K, Yamamoto H, Ikariya T. Synthesis of (all-rac)-?-Tocopherol in Supercritical Carbon Dioxide: Tuning of the Product Selectivity in Batch and Continuous-Flow Reactors Advanced Synthesis & Catalysis. 347: 220-224. DOI: 10.1002/Adsc.200404312 |
0.554 |
|
| 2004 |
Ishihara K, Kosugi Y, Akakura M. Rational design of an L-histidine-derived minimal artificial acylase for the kinetic resolution of racemic alcohols. Journal of the American Chemical Society. 126: 12212-3. PMID 15453723 DOI: 10.1021/Ja045850J |
0.303 |
|
| 2004 |
Ishibashi H, Ishihara K, Yamamoto H. A new artificial cyclase for polyprenoids: enantioselective total synthesis of (-)-chromazonarol, (+)-8-epi-puupehedione, and (-)-11'-deoxytaondiol methyl ether. Journal of the American Chemical Society. 126: 11122-3. PMID 15355072 DOI: 10.1021/Ja0472026 |
0.471 |
|
| 2004 |
Kumazawa K, Ishihara K, Yamamoto H. Tin(IV) chloride-chiral pyrogallol derivatives as new Lewis acid-assisted chiral Brønsted acids for enantioselective polyene cyclization. Organic Letters. 6: 2551-4. PMID 15255688 DOI: 10.1021/Ol049126H |
0.58 |
|
| 2004 |
Ishihara K, Yano T. Synthesis of carboxamides by LDA-catalyzed Haller-Bauer and Cannizzaro reactions. Organic Letters. 6: 1983-6. PMID 15176799 DOI: 10.1021/Ol0494459 |
0.391 |
|
| 2004 |
Torii H, Nakadai M, Ishihara K, Saito S, Yamamoto H. Asymmetric direct aldol reaction assisted by water and a proline-derived tetrazole catalyst. Angewandte Chemie (International Ed. in English). 43: 1983-6. PMID 15065280 DOI: 10.1002/Anie.200352724 |
0.682 |
|
| 2004 |
Ito H, Nagahara T, Ishihara K, Saito S, Yamamoto H. Chiral molecular recognition by aluminum tris(2,6-diphenylphenoxide) in an asymmetric 1,4-addition. Angewandte Chemie (International Ed. in English). 43: 994-7. PMID 14966889 DOI: 10.1002/Anie.200352809 |
0.612 |
|
| 2004 |
Sato A, Hattori A, Ishihara K, Saito S, Yamamoto H. A New Method for the Preparation of Aluminum and Titanium Tris(2,6-diphenylphenoxide) Reagents and Their Application in Organic Synthesis. Cheminform. 35. DOI: 10.1246/Cl.2003.1006 |
0.665 |
|
| 2004 |
Maki T, Ishihara K, Yamamoto H. Arylboronic Acid Catalyzed Direct Condensation of Carboxylic Acids with Ureas. Cheminform. 35. DOI: 10.1055/S-2004-825615 |
0.471 |
|
| 2004 |
Takikawa H, Ishihara K, Saito S, Yamamoto H. Asymmetric vinylogous direct aldol reaction using aluminum tris[2,6-bis(4-alkylphenyl)phenoxide] Synlett. 2004: 732-734. DOI: 10.1055/S-2004-817761 |
0.661 |
|
| 2004 |
Takikawa H, Ishihara K, Saito S, Yamamoto H. Asymmetric Vinylogous Direct Aldol Reaction Using Aluminum Tris[2,6-bis(4-alkylphenyl)phenoxide]. Cheminform. 35. DOI: 10.1002/CHIN.200430033 |
0.566 |
|
| 2004 |
Nakayama M, Sato A, Ishihara K, Yamamoto H. Water-Tolerant and Reusable Catalysts for Direct Ester Condensation between Equimolar Amounts of Carboxylic Acids and Alcohols Advanced Synthesis & Catalysis. 346: 1275-1279. DOI: 10.1002/Adsc.200404149 |
0.552 |
|
| 2003 |
Hasegawa A, Ishihara K, Yamamoto H. Trimethylsilyl pentafluorophenylbis(trifluoromethanesulfonyl)methide as a super Lewis acid catalyst for the condensation of trimethylhydroquinone with isophytol. Angewandte Chemie (International Ed. in English). 42: 5731-3. PMID 14661208 DOI: 10.1002/Anie.200352382 |
0.575 |
|
| 2003 |
Ishihara K, Kobayashi J, Nakano K, Ishibashi H, Yamamoto H. New bulky chiral Lewis acid catalyst: 3,3'-di(2-mesitylethynyl)binaphthol-titanium(IV) complex. Chirality. 15: 135-8. PMID 12520504 DOI: 10.1002/Chir.10155 |
0.621 |
|
| 2003 |
Ishihara K, Nakashima D, Hiraiwa Y, Yamamoto H. The crystallographic structure of a Lewis acid-assisted chiral Brønsted acid as an enantioselective protonation reagent for silyl enol ethers. Journal of the American Chemical Society. 125: 24-5. PMID 12515493 DOI: 10.1021/Ja021000X |
0.798 |
|
| 2003 |
ISHIHARA K. Polymerization Catalyzed by Highly Efficient Novel Lewis Acids Kobunshi. 52: 272-272. DOI: 10.1295/KOBUNSHI.52.272 |
0.347 |
|
| 2003 |
Sato A, Hattori A, Ishihara K, Saito S, Yamamoto H. A New Method for the Preparation of Aluminum and Titanium Tris(2,6-diphenylphenoxide) Reagents and Their Application in Organic Synthesis Chemistry Letters. 32: 1006-1007. DOI: 10.1246/CL.2003.1006 |
0.488 |
|
| 2003 |
Ozasa N, Wadamoto M, Ishihara K, Yamamoto H. Aldol Synthesis with an Aqueous Solution of Formalin Synlett. 2003: 2219-2221. DOI: 10.1055/S-2003-42089 |
0.523 |
|
| 2003 |
Ishihara K, Nakayama M, Ohara S, Yamamoto H. Direct Ester Condensation from a 1:1 Mixture of Carboxylic Acids and Alcohols Catalyzed by Hafnium(IV) or Zirconium(IV) Salts. Cheminform. 34. DOI: 10.1002/CHIN.200308061 |
0.307 |
|
| 2003 |
Ishihara K, Ohara S, Yamamoto H. (3,4,5-Trifluorophenyl)boronic acid-catalyzed amide formation from carboxylic acids and amines: N-benzyl-4-phenylbutyramide Organic Syntheses. 79: 176-185. DOI: 10.1002/0471264180.Os079.21 |
0.534 |
|
| 2002 |
Ishihara K, Furuya Y, Yamamoto H. Rhenium(VII) oxo complexes as extremely active catalysts in the dehydration of primary amides and aldoximes to nitriles. Angewandte Chemie (International Ed. in English). 41: 2983-6. PMID 12203432 DOI: 10.1002/1521-3773(20020816)41:16<2983::Aid-Anie2983>3.0.Co;2-X |
0.514 |
|
| 2002 |
Ishihara K, Hiraiwa Y, Yamamoto H. Crucial role of the ligand of silyl Lewis acid in the Mukaiyama aldol reaction. Chemical Communications (Cambridge, England). 1564-5. PMID 12170783 |
0.736 |
|
| 2002 |
Nakamura H, Ishihara K, Yamamoto H. Lewis acid-activated chiral leaving group: enantioselective electrophilic addition to prochiral olefins. The Journal of Organic Chemistry. 67: 5124-37. PMID 12126396 DOI: 10.1021/Jo020165L |
0.596 |
|
| 2002 |
Ishibashi H, Ishihara K, Yamamoto H. Chiral proton donor reagents: tin tetrachloride--coordinated optically active binaphthol derivatives. Chemical Record (New York, N.Y.). 2: 177-88. PMID 12112869 DOI: 10.1002/tcr.10020 |
0.514 |
|
| 2002 |
Ishihara K, Ishibashi H, Yamamoto H. Enantio- and diastereoselective stepwise cyclization of polyprenoids induced by chiral and achiral LBAs. A new entry to (-)-ambrox, (+)-podocarpa-8,11,13-triene diterpenoids, and (-)-tetracyclic polyprenoid of sedimentary origin. Journal of the American Chemical Society. 124: 3647-55. PMID 11929254 DOI: 10.1021/Ja0124865 |
0.515 |
|
| 2002 |
Ishihara K, Hasegawa A, Yamamoto H. A fluorous super Brønsted acid catalyst: Application to fluorous catalysis without fluorous solvents Synlett. 2002: 1299-1301. DOI: 10.1055/S-2002-32965 |
0.537 |
|
| 2002 |
Ishihara K, Hasegawa A, Yamamoto H. Single-pass reaction column system with super Brønsted acid-loaded resin Synlett. 2002: 1296-1298. DOI: 10.1055/S-2002-32964 |
0.522 |
|
| 2002 |
Ishihara K, Nakayama M, Ohara S, Yamamoto H. Direct ester condensation from a 1:1 mixture of carboxylic acids and alcohols catalyzed by hafnium(IV) or zirconium(IV) salts Tetrahedron. 58: 8179-8188. DOI: 10.1016/S0040-4020(02)00966-3 |
0.489 |
|
| 2001 |
Ishihara K, Hasegawa A, Yamamoto H. Polystyrene-Bound Tetrafluorophenylbis(triflyl)methane as an Organic-Solvent-Swellable and Strong Brønsted Acid Catalyst. Angewandte Chemie (International Ed. in English). 40: 4077-4079. PMID 29712252 DOI: 10.1002/1521-3773(20011105)40:21<4077::Aid-Anie4077>3.0.Co;2-1 |
0.588 |
|
| 2001 |
Ishihara K, Hasegawa A, Yamamoto H. Polystyrene-Bound Tetrafluorophenylbis(triflyl)methane as an Organic-Solvent-Swellable and Strong Brønsted Acid Catalyst The authors thank Mr. Shoichi Kondo for the single-crystal X-ray analysis. Sodium triflate was generously donated by Central Glass Co., Ltd., Japan. The authors also acknowledge Dr. Yuko Wasada and Dr. Manabu Kubota for their helpful discussions on the theoretical calculations. Angewandte Chemie (International Ed. in English). 40: 4077-4079. PMID 12404498 DOI: 10.1002/1521-3773(20011105)40:21<4077::AID-ANIE4077>3.0.CO;2-1 |
0.366 |
|
| 2001 |
Ishihara K, Hiraiwa Y, Yamamoto H. A high yield procedure for the Me3SiNTf2-induced carbon-carbon bond-forming reactions of silyl nucleophiles with carbonyl compounds: The importance of addition order and solvent effects Synlett. 1851-1854. DOI: 10.1055/S-2001-18761 |
0.635 |
|
| 2001 |
Ishihara K, Kondo S, Yamamoto H. 3,5-Bis(perfluorodecyl)phenylboronic Acid as an Easily Recyclable Direct Amide Condensation Catalyst Synlett. 2001: 1371-1374. DOI: 10.1055/S-2001-16788 |
0.606 |
|
| 2001 |
Ishihara K, Nakayama M, Ohara S, Yamamoto H. A Green Method for the Selective Esterification of Primary Alcohols in the Presence of Secondary Alcohols or Aromatic Alcohols Synlett. 2001: 1117-1120. DOI: 10.1055/S-2001-15156 |
0.361 |
|
| 2001 |
Ishihara K, Nakamura H, Yamamoto H. Asymmetric Synthesis of (R)-Limonene and (S)-Cembrene-A by an Intramolecular Cyclization Reaction Using a Chiral Leaving Group Synlett. 2001: 1113-1116. DOI: 10.1055/S-2001-15151 |
0.522 |
|
| 2001 |
Ishihara K, Kobayashi J, Inanaga K, Yamamoto H. Design of Multinuclear Chiral Organoaluminum Complexes with (R)-Binaphthol Derivatives Synlett. 2001: 0394-0396. DOI: 10.1055/S-2001-11392 |
0.414 |
|
| 2001 |
Ishihara K, Ishibashi H, Yamamoto H. Enantioselective Biomimetic Cyclization of Homo(polyprenyl)arenes. A New Entry to (+)-Podpcarpa-8,11,13-triene Diterpenoids and (−)-Tetracyclic Polyprenoid of Sedimentary Origin Journal of the American Chemical Society. 123: 1505-1506. DOI: 10.1021/Ja003541X |
0.435 |
|
| 2001 |
Ishihara K, Kondo S, Yamamoto H. ChemInform Abstract: Scope and Limitations of Chiral B-[3,5-Bis(trifluoromethyl)phenyl]oxazaborolidine Catalyst for Use in the Mukaiyama Aldol Reaction. Cheminform. 32: no-no. DOI: 10.1002/CHIN.200119033 |
0.422 |
|
| 2000 |
Ishihara K, Ohara S, Yamamoto H. Direct condensation of carboxylic acids with alcohols catalyzed by Hafnium(IV) salts. Science (New York, N.Y.). 290: 1140-2. PMID 11073448 DOI: 10.1126/Science.290.5494.1140 |
0.487 |
|
| 2000 |
Ishihara K, Nakamura H, Yamamoto H. Chiral SEM Ether-Tin Tetrachloride as an Enantioselective Hydroxymethylating Reagent for Trisubstituted Alkenes Synlett. 2000: 1245-1248. DOI: 10.1055/S-2000-7130 |
0.573 |
|
| 2000 |
Ishihara K, Hiraiwa Y, Yamamoto H. Homogeneous debenzylation using extremely active catalysts: Tris(triflyl)methane, scandium(III) tris(triflyl)methide, and copper(II) tris(triflyl)methide Synlett. 80-82. DOI: 10.1055/S-2000-6436 |
0.659 |
|
| 2000 |
Ishihara K, Kubota M, Yamamoto H. Practical Synthesis of (±)-α-Tocopherol. Trifluoromethanesulfonimide as an Extremely Active Brønsted Acid Catalyst for the Condensation of Trimethylhydroquinone with Isophytol Synlett. 1996: 1045-1046. DOI: 10.1055/S-1996-5672 |
0.536 |
|
| 2000 |
Ishihara K, Ohara S, Yamamoto H. Direct Polycondensation of Carboxylic Acids and Amines Catalyzed by 3,4,5-Trifluorophenylboronic Acid Macromolecules. 33: 3511-3513. DOI: 10.1021/Ma000085O |
0.512 |
|
| 2000 |
Ishihara K, Hasegawa A, Yamamoto H. Pyrolysis of benzenediazonium bis(trifluoromethanesulfonyl)methide Journal of Fluorine Chemistry. 106: 139-141. DOI: 10.1016/S0022-1139(00)00318-3 |
0.418 |
|
| 2000 |
Nakamura S, Ishihara K, Yamamoto H. ChemInform Abstract: Enantioselective Biomimetic Cyclization of Isoprenoids Using Lewis Acid-Assisted Chiral Broensted Acids: Abnormal Claisen Rearrangements and Successive Cyclizations. Cheminform. 31: no-no. DOI: 10.1002/CHIN.200052156 |
0.395 |
|
| 2000 |
Nakamura S, Kaneeda M, Ishihara K, Yamamoto H. ChemInform Abstract: Enantioselective Protonation of Silyl Enol Ethers and Ketene Disilyl Acetals with Lewis Acid-Assisted Chiral Broensted Acids: Reaction Scope and Mechanistic Insights. Cheminform. 31: no-no. DOI: 10.1002/CHIN.200052045 |
0.446 |
|
| 2000 |
Ishihara K, Nakamura H, Yamamoto H. ChemInform Abstract: Chiral SEM Ether-Tin Tetrachloride as an Enantioselective Hydroxymethylating Reagent for Trisubstituted Alkenes. Cheminform. 31: no-no. DOI: 10.1002/CHIN.200049036 |
0.393 |
|
| 1999 |
Ishihara K, Kondo S, Yamamoto H. A New and Extremely Active Corey's Chiral Oxazaborolidine Catalyst Synlett. 1999: 1283-1285. DOI: 10.1055/S-1999-2804 |
0.534 |
|
| 1999 |
Ishihara K, Nakamura H, Yamamoto H. Chiral SEM Ether−Tin Tetrachloride as an Enantioselective Hydroxymethylating Reagent for Silyl Enol Ethers: γ-Effect of Silicon Journal of the American Chemical Society. 121: 7720-7721. DOI: 10.1021/Ja9916613 |
0.518 |
|
| 1999 |
Ishihara K, Nakamura S, Yamamoto H. The First Enantioselective Biomimetic Cyclization of Polyprenoids Journal of the American Chemical Society. 121: 4906-4907. DOI: 10.1021/Ja984064+ |
0.582 |
|
| 1999 |
Ishihara K, Yamamoto H. Arylboron Compounds as Acid Catalysts in Organic Synthetic Transformations European Journal of Organic Chemistry. 1999: 527-538. DOI: 10.1002/(Sici)1099-0690(199903)1999:3<527::Aid-Ejoc527>3.0.Co;2-R |
0.577 |
|
| 1998 |
KURIHARA H, ISHIHARA K, YAMAMOTO H. Recent Developments of Arylboron Compounds as Lewis Acid Catalysts Journal of Synthetic Organic Chemistry, Japan. 56: 45-53. DOI: 10.5059/Yukigoseikyokaishi.56.45 |
0.627 |
|
| 1998 |
Yamamoto H, Yanagisawa A, Ishihara K, Saito S. Designer Lewis acids for selective organic synthesis Pure and Applied Chemistry. 70. DOI: 10.5059/Yukigoseikyokaishi.52.912 |
0.673 |
|
| 1998 |
Ishihara K, Inanaga K, Kondo S, Funahashi M, Yamamoto H. Rational Design of a New Chiral Lewis Acid Catalyst for Enantioselective Diels-Alder Reaction: Optically Active 2-Dichloroboryl-1,1′-binaphthyl Synlett. 1998: 1053-1056. DOI: 10.1055/S-1998-1860 |
0.611 |
|
| 1998 |
Ishihara K, Nakamura H, Nakamura S, Yamamoto H. Highly Regio- and Stereoselective Isomerization of Silyl Enol Ethers Catalyzed by LBA. A Remarkable Enantiomer Discrimination of Chiral LBA The Journal of Organic Chemistry. 63: 6444-6445. DOI: 10.1021/JO9812936 |
0.39 |
|
| 1998 |
Ishihara K, Kurihara H, Matsumoto M, Yamamoto H. Design of Brønsted Acid-Assisted Chiral Lewis Acid (BLA) Catalysts for Highly Enantioselective Diels−Alder Reactions Journal of the American Chemical Society. 120: 6920-6930. DOI: 10.1021/Ja9810282 |
0.645 |
|
| 1997 |
Ishihara K, Kondo S, Kurihara H, Yamamoto H, Ohashi S, Inagaki S. First Enantioselective Catalytic Diels-Alder Reaction of Dienes and Acetylenic Aldehydes: Experimental and Theoretical Evidence for the Predominance of Exo-Transition Structure. The Journal of Organic Chemistry. 62: 3026-3027. PMID 11671675 DOI: 10.1021/Jo970171V |
0.508 |
|
| 1997 |
Yanagisawa A, Ishihara K, Yamamoto H. Asymmetric Protonations of Enol Derivatives Synlett. 1997: 411-420. DOI: 10.1055/S-1997-6131 |
0.358 |
|
| 1997 |
Ishihara K, Ishida Y, Nakamura S, Yamamoto H. First Enantioselective Protonation of Prochiral Allyltrimethyltins Using Lewis Acid Assisted Chiral Brønsted Acids Synlett. 1997: 758-760. DOI: 10.1055/S-1997-5758 |
0.543 |
|
| 1997 |
Ishihara K, Kurihara H, Yamamoto H. Diarylborinic Acids as Efficient Catalysts for Selective Dehydration of Aldols Synlett. 1997: 597-599. DOI: 10.1055/S-1997-3207 |
0.566 |
|
| 1997 |
Ishihara K, Kurihara H, Yamamoto H. Bis(pentafluorophenyl)borinic Acid as a Highly Effective Oppenauer Oxidation Catalyst for Allylic and Benzylic Alcohols The Journal of Organic Chemistry. 62: 5664-5665. DOI: 10.1021/JO970959D |
0.365 |
|
| 1996 |
Ishihara K, Kubota M, Kurihara H, Yamamoto H. Scandium Trifluoromethanesulfonate as an Extremely Active Lewis Acid Catalyst in Acylation of Alcohols with Acid Anhydrides and Mixed Anhydrides. The Journal of Organic Chemistry. 61: 4560-4567. PMID 11667380 DOI: 10.1021/Jo952237X |
0.526 |
|
| 1996 |
Ishihara K, Ohara S, Yamamoto H. 3,4,5-Trifluorobenzeneboronic Acid as an Extremely Active Amidation Catalyst. The Journal of Organic Chemistry. 61: 4196-4197. PMID 11667313 DOI: 10.1021/Jo9606564 |
0.564 |
|
| 1996 |
Ishihara K, Karumi Y, Kubota M, Yamamoto H. Scandium Trifluoromethanesulfonimide and Scandium Trifluoromethanesulfonate as Extremely Active Acetalization Catalysts Synlett. 1996: 839-841. DOI: 10.1055/S-1996-5594 |
0.331 |
|
| 1996 |
Ishihara K, Kubota M, Yamamoto H. A New Scandium Complex as an Extremely Active Acylation Catalyst Synlett. 1996: 265-266. DOI: 10.1055/S-1996-5376 |
0.514 |
|
| 1996 |
Ishihara K, Nakamura S, Kaneeda M, Yamamoto H. First Example of a Highly Enantioselective Catalytic Protonation of Silyl Enol Ethers Using a Novel Lewis Acid-Assisted Brønsted Acid System Journal of the American Chemical Society. 118: 12854-12855. DOI: 10.1021/Ja962414R |
0.567 |
|
| 1996 |
Ishihara K, Kurihara H, Yamamoto H. A New Powerful and Practical BLA Catalyst for Highly Enantioselective Diels−Alder Reaction: An Extreme Acceleration of Reaction Rate by Brønsted Acid Journal of the American Chemical Society. 118: 3049-3050. DOI: 10.1021/Ja954060U |
0.58 |
|
| 1996 |
Hanaki N, Ishihara K, Kaino M, Naruse Y, Yamamoto H. Stereospecific annulation of hydroxy vinyl ethers. Synthetic application to polyfunctionalized cyclic compounds Tetrahedron. 52: 7297-7320. DOI: 10.1016/0040-4020(96)00253-0 |
0.465 |
|
| 1995 |
Ishihara K, Hanaki N, Funahashi M, Miyata M, Yamamoto H. Tris(pentafluorophenyl)boron as an Efficient, Air Stable, and Water Tolerant Lewis Acid Catalyst Bulletin of the Chemical Society of Japan. 68: 1721-1730. DOI: 10.1246/Bcsj.68.1721 |
0.61 |
|
| 1995 |
Ishihara K, Hanaki N, Yamamoto H. Tris(pentafluorophenyl)boron as an Efficient Catalyst in the Stereoselective Rearrangement of Epoxides Synlett. 1995: 721-722. DOI: 10.1055/S-1995-5049 |
0.479 |
|
| 1995 |
Ishihara K, Kuroki Y, Yamamoto H. A Concise Synthesis of (+)-(S)-Dihydroperiphylline Synlett. 1995: 41-42. DOI: 10.1055/S-1995-4855 |
0.41 |
|
| 1995 |
Ishihara K, Hanaki N, Yamamoto H. Highly regio- and stereo-selective annulation-elimination reactions of 1-cycloalkenyl 3-hydroxypropyl ethers Journal of the Chemical Society, Chemical Communications. 1117-1118. DOI: 10.1039/C39950001117 |
0.548 |
|
| 1995 |
Ishihara K, Kubota M, Kurihara H, Yamamoto H. Scandium trifluoromethanesulfonate as an Extremely Active Acylation Catalyst. [Erratum to document cited in CA122:313838] Journal of the American Chemical Society. 117: 6639-6639. DOI: 10.1021/Ja00129A047 |
0.368 |
|
| 1995 |
Ishihara K, Kubota M, Kurihara H, Yamamoto H. Scandium Trifluoromethanesulfonate as an Extremely Active Acylation Catalyst Journal of the American Chemical Society. 117: 4413-4414. DOI: 10.1021/Ja00120A030 |
0.442 |
|
| 1994 |
Yamamoto H, Maruoka K, Ishihara K. Designer Lewis Acids for Selective Organic Synthesis. Journal of Synthetic Organic Chemistry, Japan. 52: 912-922. DOI: 10.5059/yukigoseikyokaishi.52.912 |
0.386 |
|
| 1994 |
Ishihara K, Funahashi M, Hanaki N, Miyata M, Yamamoto H. Tris(pentafluorophenyl)boron as an Efficient Catalyst in the Aldol-Type Reaction of Ketene Silyl Acetals with Imines Synlett. 1994: 963-964. DOI: 10.1055/S-1994-23065 |
0.589 |
|
| 1994 |
Ishihara K, Kubota M, Yamamoto H. First Application of Hydrogen Bonding Interactions to the Design of Asymmetric Acylation ofMeso-Diols with Optically Active Acyl Halides Synlett. 1994: 611-614. DOI: 10.1055/S-1994-22945 |
0.391 |
|
| 1994 |
Ishihara K, Kaneeda M, Yamamoto H. Lewis Acid Assisted Chiral Bronsted Acid for Enantioselective Protonation of Silyl Enol Ethers and Ketene Bis(trialkylsilyl) Acetals Journal of the American Chemical Society. 116: 11179-11180. DOI: 10.1021/Ja00103A052 |
0.565 |
|
| 1994 |
Ishihara K, Miyata M, Hattori K, Tada T, Yamamoto H. A New Chiral BLA Promoter for Asymmetric Aza Diels-Alder and Aldol-Type Reactions of Imines Journal of the American Chemical Society. 116: 10520-10524. DOI: 10.1021/Ja00102A019 |
0.471 |
|
| 1994 |
Ishihara K, Yamamoto H. Bronsted Acid Assisted Chiral Lewis Acid (BLA) Catalyst for Asymmetric Diels-Alder Reaction Journal of the American Chemical Society. 116: 1561-1562. DOI: 10.1021/Ja00083A048 |
0.636 |
|
| 1994 |
Gao Q, Ishihara K, Maruyama T, Mouri M, Yamamoto H. Asymmetric hetero Diels-Alder reaction catalyzed by stable and easily prepared CAB catalysts Tetrahedron. 50: 979-988. DOI: 10.1016/S0040-4020(01)80812-7 |
0.64 |
|
| 1993 |
Ishihara K, Maruyama T, Mouri M, Gao Q, Furuta K, Yamamoto H. Catalytic Asymmetric Aldol-Type Reactions Using a Chiral (Acyloxy)borane Complex Bulletin of the Chemical Society of Japan. 66: 3483-3491. DOI: 10.1246/Bcsj.66.3483 |
0.611 |
|
| 1993 |
Ishihara K, Hananki N, Yamamoto H. Tris(pentafluorophenyl) boron as a New Efficient, Air Stable, and Water Tolerant Catalyst in the Aldol-Type and Michael Reactions Synlett. 1993: 577-579. DOI: 10.1055/S-1993-22535 |
0.535 |
|
| 1993 |
Ishihara K, Hanaki N, Yamamoto H. Reductive Cleavage of Chiral Acetals Using New Aluminum Catalyst Synlett. 1993: 127-129. DOI: 10.1055/S-1993-22373 |
0.57 |
|
| 1993 |
Ishihara K, Gao Q, Yamamoto H. Enantioselective Diels-Alder reaction of .alpha.-bromo-.alpha.,.beta.-enals with dienes under catalysis by CAB The Journal of Organic Chemistry. 58: 6917-6919. DOI: 10.1021/Jo00076A070 |
0.396 |
|
| 1993 |
Ishihara K, Hanaki N, Yamamoto H. Highly diastereoselective acetal cleavages using novel reagents prepared from organoaluminum and pentafluorophenol Journal of the American Chemical Society. 115: 10695-10704. DOI: 10.1021/Ja00076A030 |
0.534 |
|
| 1993 |
Ishihara K, Gao Q, Yamamoto H. Mechanistic studies of a CAB-catalyzed asymmetric Diels-Alder reaction Journal of the American Chemical Society. 115: 10412-10413. DOI: 10.1021/Ja00075A088 |
0.525 |
|
| 1993 |
Corey E, Roper TD, Ishihara K, Sarakinos G. Catalytic enantioselective Diels-Alder reactions using titanium complexes of cis-N-sulfonyl-2-amino-1-indanols Tetrahedron Letters. 34: 8399-8402. DOI: 10.1016/S0040-4039(00)61343-6 |
0.587 |
|
| 1992 |
Corey E, Ishihara K. Highly enantioselective catalytic Diels-Alder addition promoted by a chiral bis(oxazoline)-magnesium complex Tetrahedron Letters. 33: 6807-6810. DOI: 10.1016/S0040-4039(00)61781-1 |
0.592 |
|
| 1991 |
Ishihara K, Hanaki N, Yamamoto H. Highly selective acetal cleavage using new organoaluminum reagents Journal of the American Chemical Society. 113: 7074-7075. DOI: 10.1021/Ja00018A075 |
0.338 |
|
| 1990 |
Mori I, Ishihara K, Flippin LA, Nozaki K, Yamamoto H, Bartlett PA, Heathcock CH. Acyclic stereoselection. 52. On the mechanism of Lewis acid mediated nucleophilic substitution reactions of acetals The Journal of Organic Chemistry. 55: 6107-6115. DOI: 10.1021/Jo00312A015 |
0.545 |
|
| 1990 |
Kaino M, Naruse Y, Ishihara K, Yamamoto H. Stereospecific cyclization of vinyl ether alcohols. Facile synthesis of (-)-lardolure The Journal of Organic Chemistry. 55: 5814-5815. DOI: 10.1021/Jo00310A007 |
0.336 |
|
| 1990 |
Mori I, Ishihara K, Heathcock CH. Acyclic stereoselection. 50. New stereoselective propanal/propanoic acid synthons for aldol reactions The Journal of Organic Chemistry. 55: 1114-1117. DOI: 10.1021/Jo00290A060 |
0.37 |
|
| 1990 |
MORI I, ISHIHARA K, HEATHCOCK CH. ChemInform Abstract: Acyclic Stereoselection. Part 50. New Stereoselective Propanal/Propanoic Acid Synthons for Aldol Reactions. Cheminform. 21. DOI: 10.1002/chin.199027092 |
0.407 |
|
| 1990 |
KAINO M, ISHIHARA K, YAMAMOTO H. ChemInform Abstract: Chiral Aryl Grignard Reagents-Generation and Reactions with Carbonyl Compounds. Cheminform. 21. DOI: 10.1002/chin.199013065 |
0.336 |
|
| 1989 |
Kaino M, Ishihara K, Yamamoto H. Chiral Aryl Grignard Reagents-Generation and Reactions with Carbonyl Compounds Bulletin of the Chemical Society of Japan. 62: 3736-3738. DOI: 10.1246/Bcsj.62.3736 |
0.558 |
|
| 1989 |
Ishihara K, Yamamoto H, Heathcock CH. Diastereoselective aldol synthesis using acetal templates Tetrahedron Letters. 30: 1825-1828. DOI: 10.1016/S0040-4039(00)99590-X |
0.513 |
|
| 1987 |
Mori A, Ishihara K, Arai I, Yamamoto H. Reductive cleavages of homochiral acetals: inversion of the stereoselectivity Tetrahedron. 43: 755-764. DOI: 10.1016/S0040-4020(01)90009-2 |
0.508 |
|
| 1987 |
Ishihara K, Mori A, Yamamoto H. Stereoselective reduction of bicyclic acetals. A method for reductive generation of heterocyclic ring systems Tetrahedron Letters. 28: 6613-6616. DOI: 10.1016/S0040-4020(01)85584-8 |
0.424 |
|
| 1987 |
MORI A, ISHIHARA K, ARAI I, YAMAMOTO H. ChemInform Abstract: Reductive Cleavages of Homochiral Acetals: Inversion of the Stereoselectivity. Cheminform. 18. DOI: 10.1002/chin.198727080 |
0.305 |
|
| 1986 |
Mori A, Ishihara K, Yamamoto H. Reductive cleavages of chiral acetals using Lewis acid-hydride system Tetrahedron Letters. 27: 987-990. DOI: 10.1016/S0040-4039(00)84156-8 |
0.551 |
|
| 1986 |
Ishihara K, Mori A, Arai I, Yamamoto H. Reductive cleavages of α, β-alkynyl acetals. New route to optically pure propargylic alcohols Tetrahedron Letters. 27: 983-986. DOI: 10.1016/S0040-4039(00)84155-6 |
0.453 |
|
| 1986 |
MORI A, ISHIHARA K, YAMAMOTO H. ChemInform Abstract: Reductive Cleavages of Chiral Acetals Using Lewis Acid-Hydride System. Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198631114 |
0.394 |
|
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