| Year |
Citation |
Score |
| 2023 |
Singh V, Kumar D, Mishra BK, Tiwari B. Iodobenzene-Catalyzed Synthesis of Fully Functionalized NH-Pyrazoles and Isoxazoles from α,β-Unsaturated Hydrazones and Oximes via 1,2-Aryl Shift. Organic Letters. 26: 385-389. PMID 38150709 DOI: 10.1021/acs.orglett.3c04057 |
0.541 |
|
| 2023 |
Singh V, Mishra BK, Kumar D, Tiwari B. Construction of Highly Functionalized C4-Oxyacylated and Aminated Pyrazolines. Organic Letters. 25: 7089-7094. PMID 37748130 DOI: 10.1021/acs.orglett.3c02366 |
0.308 |
|
| 2023 |
Azaz T, Mourya H, Singh V, Ram B, Tiwari B. -Heterocyclic Carbene-Catalyzed Enantioselective [3 + 2] Annulation of Enals with Vinyl Ketones. The Journal of Organic Chemistry. PMID 36622160 DOI: 10.1021/acs.joc.2c01894 |
0.538 |
|
| 2022 |
Azaz T, Mourya H, Singh V, Ram B, Tiwari B. Reductive Alkenylation of Ketimines via Hydride Transfer from Aldehydes. The Journal of Organic Chemistry. PMID 36475729 DOI: 10.1021/acs.joc.2c01508 |
0.545 |
|
| 2022 |
Jat JL, Yadav AK, Pandey CB, Chandra D, Tiwari B. Direct -Me Aziridination of Enones. The Journal of Organic Chemistry. 87: 3751-3757. PMID 35171590 DOI: 10.1021/acs.joc.1c02785 |
0.805 |
|
| 2021 |
Pandey CB, Mishra BK, Azaz T, Mourya H, Ram B, Tiwari B. A General Method for α-Oxyacylation of Vinyl Ketones Using Koser's Reagent. The Journal of Organic Chemistry. PMID 34783551 DOI: 10.1021/acs.joc.1c01517 |
0.804 |
|
| 2020 |
Pandey CB, Azaz T, Verma RS, Mishra M, Jat JL, Tiwari B. Stereoselective Oxidative Rearrangement of Di-Substituted Unactivated Alkenes Using Hypervalent Iodine(III) Reagent. The Journal of Organic Chemistry. PMID 32662643 DOI: 10.1021/Acs.Joc.0C00347 |
0.796 |
|
| 2020 |
Verma RS, Khatana AK, Mishra M, Kumar S, Tiwari B. Access to enantioenriched 4-phosphorylated δ-lactones from β-phosphorylenones and enals via carbene organocatalysis. Chemical Communications (Cambridge, England). PMID 32462158 DOI: 10.1039/D0Cc03204B |
0.723 |
|
| 2020 |
Verma RS, Mishra M, Pandey CB, Kumar S, Tiwari B. Global Access to 3/4-Phosphorylated Heterocycles via Carbene Catalyzed Stetter Reaction of Vinylphosphonates and Aldehydes. The Journal of Organic Chemistry. PMID 32453563 DOI: 10.1021/Acs.Joc.0C00150 |
0.789 |
|
| 2020 |
Verma S, Kumar P, Khatana AK, Chandra D, Yadav AK, Tiwari B, Jat JL. Zinc(II)-Catalyzed Synthesis of Secondary Amides from Ketones via Beckmann Rearrangement Using Hydroxylamine-O-sulfonic Acid in Aqueous Media Synthesis. DOI: 10.1055/S-0040-1707809 |
0.439 |
|
| 2020 |
Chandra D, Verma S, Pandey CB, Yadav AK, Kumar P, Tiwari B, Jat JL. Direct synthesis of secondary amides from ketones through Beckmann rearrangement using O-(mesitylsulfonyl)hydroxylamine Tetrahedron Letters. 61: 151822. DOI: 10.1016/J.Tetlet.2020.151822 |
0.811 |
|
| 2019 |
Bhaumik A, Azaz T, Singh V, Khatana AK, Tiwari B. Carbene/Base-Mediated Redox Alkenylation of Isatins Using β-Substituted Organo-selenones and Aldehydes. The Journal of Organic Chemistry. PMID 31638798 DOI: 10.1021/Acs.Joc.9B02188 |
0.818 |
|
| 2019 |
Singh V, Verma RS, Khatana AK, Tiwari B. Construction of Phenanthrenes and Chrysenes from β-Bromovinylarenes via Aryne Diels-Alder Reaction/Aromatization. The Journal of Organic Chemistry. PMID 31552743 DOI: 10.1021/Acs.Joc.9B01644 |
0.741 |
|
| 2018 |
Sabir S, Pandey CB, Yadav AK, Tiwari B, Jat JL. Direct N-H/N-Me Aziridination of Unactivated Olefins Using O-(Sulfonyl)hydroxylamines as Aminating Agents. The Journal of Organic Chemistry. PMID 30192145 DOI: 10.1021/Acs.Joc.8B01673 |
0.8 |
|
| 2018 |
Verma RS, Pandey CB, Kumar S, Tiwari B. Carbene-Catalyzed Tandem [1,2]-Phospha-Brook/[1,4]-Phosphate Rearrangement: Access to α-Ketophosphates via Controlled Cross-Acyloin Condensation. The Journal of Organic Chemistry. PMID 29995406 DOI: 10.1021/Acs.Joc.8B01172 |
0.809 |
|
| 2018 |
Khatana AK, Singh V, Gupta MK, Tiwari B. A Highly Efficient NHC-Catalyzed Aerobic Oxidation of Aldehydes to Carboxylic Acids Synthesis. 50: 4290-4294. DOI: 10.1055/S-0037-1610069 |
0.656 |
|
| 2017 |
Bhaumik A, Verma RS, Tiwari B. Direct Construction of 2,3-Dihydroxy-2,3-diaryltetrahydrofurans via N-Heterocyclic Carbene/Base-Mediated Domino Reactions of Aromatic Aldehydes and Vinyl Selenone. Organic Letters. PMID 28080069 DOI: 10.1021/Acs.Orglett.6B03501 |
0.806 |
|
| 2013 |
Chen S, Hao L, Zhang Y, Tiwari B, Chi YR. Asymmetric access to the smallest enolate intermediate via organocatalytic activation of acetic ester. Organic Letters. 15: 5822-5. PMID 24160260 DOI: 10.1021/ol402877n |
0.707 |
|
| 2013 |
Hao L, Chen S, Xu J, Tiwari B, Fu Z, Li T, Lim J, Chi YR. Organocatalytic activation of alkylacetic esters as enolate precursors to react with α,β-unsaturated imines. Organic Letters. 15: 4956-9. PMID 24070158 DOI: 10.1021/ol4021805 |
0.715 |
|
| 2013 |
Zhang J, Xing C, Tiwari B, Chi YR. Catalytic activation of carbohydrates as formaldehyde equivalents for Stetter reaction with enones. Journal of the American Chemical Society. 135: 8113-6. PMID 23688031 DOI: 10.1021/Ja401511R |
0.718 |
|
| 2013 |
Mo J, Yang R, Chen X, Tiwari B, Chi YR. Direct α-functionalization of simple aldehydes via oxidative N-heterocyclic carbene catalysis. Organic Letters. 15: 50-3. PMID 23249417 DOI: 10.1021/ol303035r |
0.819 |
|
| 2013 |
Fu Z, Sun H, Chen S, Tiwari B, Li G, Chi YR. Controlled β-protonation and [4+2] cycloaddition of enals and chalcones via N-heterocyclic carbene/acid catalysis: toward substrate independent reaction control. Chemical Communications (Cambridge, England). 49: 261-3. PMID 23171999 DOI: 10.1039/c2cc36564b |
0.656 |
|
| 2012 |
Lv H, Tiwari B, Mo J, Xing C, Chi YR. Highly enantioselective addition of enals to isatin-derived ketimines catalyzed by N-heterocyclic carbenes: synthesis of spirocyclic γ-lactams. Organic Letters. 14: 5412-5. PMID 23061465 DOI: 10.1021/ol302475g |
0.691 |
|
| 2012 |
Jin Z, Yang R, Du Y, Tiwari B, Ganguly R, Chi YR. Enantioselective intramolecular formal [2 + 4] annulation of acrylates and α,β-unsaturated imines catalyzed by amino acid derived phosphines. Organic Letters. 14: 3226-9. PMID 22676162 DOI: 10.1021/ol3013588 |
0.728 |
|
| 2012 |
Jiang K, Tiwari B, Chi YR. Access to spirocyclic oxindoles via N-heterocyclic carbene-catalyzed reactions of enals and oxindole-derived α,β-unsaturated imines. Organic Letters. 14: 2382-5. PMID 22524534 DOI: 10.1021/ol3008028 |
0.695 |
|
| 2012 |
Tang Q, Chen X, Tiwari B, Chi YR. Addition of indoles to oxyallyl cations for facile access to α-indole carbonyl compounds. Organic Letters. 14: 1922-5. PMID 22455439 DOI: 10.1021/ol300591z |
0.8 |
|
| 2012 |
Zhang J, Tiwari B, Xing C, Chen X, Chi YR. Enantioselective oxidative cross-dehydrogenative coupling of tertiary amines to aldehydes. Angewandte Chemie (International Ed. in English). 51: 3649-52. PMID 22389195 DOI: 10.1002/Anie.201109054 |
0.817 |
|
| 2012 |
Tiwari B, Zhang J, Chi YR. Facile access to chiral ketones through metal-free oxidative C-C bond cleavage of aldehydes by O2. Angewandte Chemie (International Ed. in English). 51: 1911-4. PMID 22253214 DOI: 10.1002/Anie.201107473 |
0.641 |
|
| 2009 |
Chandrasekhar S, Tiwari B. Synthesis of the C10–C24 fragment of (+)-cannabisativine Tetrahedron: Asymmetry. 20: 1924-1929. DOI: 10.1016/J.Tetasy.2009.07.037 |
0.553 |
|
| 2008 |
Chandrasekhar S, Tiwari B, Parida BB, Reddy CR. Chiral pyrrolidine–triazole conjugate catalyst for asymmetric Michael and Aldol reactions Tetrahedron: Asymmetry. 19: 495-499. DOI: 10.1016/J.Tetasy.2008.01.033 |
0.663 |
|
| 2007 |
Chandrasekhar S, Parimala G, Tiwari B, Narsihmulu C, Sarma G. Asymmetric Synthesis of a Protected Dihydroxypiperazic Acid Derivative Synthesis. 2007: 1677-1682. DOI: 10.1055/S-2007-966062 |
0.56 |
|
| 2006 |
Chandrasekhar S, Tiwari B, Prakash SJ. Concise synthesis of truncated pachastrissamine (jaspine B) and its enantiomer Arkivoc. 2006: 155-161. DOI: 10.3998/Ark.5550190.0007.B15 |
0.581 |
|
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