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Brandon L. Ashfeld - Publications

Affiliations: 
Chemistry and Biochemistry University of Notre Dame, Notre Dame, IN, United States 
Area:
Drug Design & Discovery, Synthetic Chemistry, Energy Research
Website:
http://chemistry.nd.edu/faculty/detail/bashfeld/
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40 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2022 Hill HM, Tucker ZD, Rodriguez KX, Wendt KA, Ashfeld BL. Generation of Functionalized Azepinone Derivatives via a (4 + 3)-Cycloaddition of Vinyl Ketenes and α-Imino Carbenes Derived from -Sulfonyl-triazoles. The Journal of Organic Chemistry. PMID 35188763 DOI: 10.1021/acs.joc.1c03002  0.361
2021 Gulotty EM, Rodriguez KX, Parker EE, Ashfeld BL. Oxyphosphonium Enolate Equilibria in a (4+1)-Cycloaddition Approach toward Quaternary C3-Spirooxindole Assembly. Chemistry (Weinheim An Der Bergstrasse, Germany). 27: 10349-10355. PMID 33861491 DOI: 10.1002/chem.202100355  0.32
2021 Gulotty EM, Rodriguez KX, Parker EE, Ashfeld BL. Oxyphosphonium Enolate Equilibria in a (4+1)-Cycloaddition Approach toward Quaternary C3-Spirooxindole Assembly. Chemistry (Weinheim An Der Bergstrasse, Germany). 27: 10349-10355. PMID 33861491 DOI: 10.1002/chem.202100355  0.32
2020 Tucker ZD, Hill HM, Smith AL, Ashfeld BL. Diverting β-Hydride Elimination of a π-Allyl Pd Carbene Complex for the Assembly of Disubstituted Indolines via a Highly Diastereoselective (4 + 1)-Cycloaddition. Organic Letters. 22: 6605-6609. PMID 32806141 DOI: 10.1021/Acs.Orglett.0C02374  0.323
2020 Bacher EP, Ashfeld BL. Transition metal-free strategies for the stereoselective construction of spirocyclopropyl oxindoles Tetrahedron. 76: 130692. DOI: 10.1016/J.Tet.2019.130692  0.337
2019 Bacher EP, Lepore AJ, Pena-Romero D, Smith BD, Ashfeld BL. Nucleophilic addition of phosphorus(iii) derivatives to squaraines: colorimetric detection of transition metal-mediated or thermal reversion. Chemical Communications (Cambridge, England). PMID 30810572 DOI: 10.1039/C9Cc01243E  0.338
2018 Rodriguez KX, Pilato TC, Ashfeld BL. An unusual stereoretentive 1,3-quaternary carbon shift resulting in an enantioselective Rh-catalyzed formal [4+1]-cycloaddition between diazo compounds and vinyl ketenes. Chemical Science. 9: 3221-3226. PMID 29844895 DOI: 10.1039/C8Sc00020D  0.504
2018 Eckert KE, Ashfeld BL. Aroyl Isocyanates as 1,4-Dipoles in a Formal [4 + 1]-Cycloaddition Approach toward Oxazolone Construction. Organic Letters. PMID 29634274 DOI: 10.1021/Acs.Orglett.8B00656  0.413
2017 Meloche JL, Ashfeld BL. A Rhodium(II)-Catalyzed Formal [4+1]-Cycloaddition toward Spirooxindole Pyrrolone Construction Employing Vinyl Isocyanates as 1,4-Dipoles. Angewandte Chemie (International Ed. in English). PMID 28466963 DOI: 10.1002/Anie.201701147  0.453
2017 Rodriguez KX, Kaltwasser N, Toni TA, Ashfeld BL. Rearrangement of an Intermediate Cyclopropyl Ketene in a Rh(II)-Catalyzed Formal [4 + 1]-Cycloaddition Employing Vinyl Ketenes as 1,4-Dipoles and Donor-Acceptor Metallocarbenes. Organic Letters. PMID 28453284 DOI: 10.1021/Acs.Orglett.7B00618  0.472
2016 Rodriguez KX, Vail JD, Ashfeld BL. Phosphorus(III)-Mediated Stereoconvergent Formal [4+1]-Cycloannulation of 1,2-Dicarbonyls and o-Quinone Methides: A Multicomponent Assembly of 2,3-Dihydrobenzofurans. Organic Letters. PMID 27603590 DOI: 10.1021/Acs.Orglett.6B02122  0.384
2015 Wilson EE, Rodriguez KX, Ashfeld BL. Stereochemical implications in the synthesis of 3,3'-spirocyclopropyl oxindoles from β-aryl/alkyl-substituted alkylidene oxindoles Tetrahedron. DOI: 10.1016/J.Tet.2015.06.004  0.509
2014 Gianino JB, Campos CA, Lepore AJ, Pinkerton DM, Ashfeld BL. Redox and Lewis acid relay catalysis: a titanocene/zinc catalytic platform in the development of multicomponent coupling reactions. The Journal of Organic Chemistry. 79: 12083-95. PMID 25279685 DOI: 10.1021/Jo501890Z  0.778
2014 Chavannavar AP, Oliver AG, Ashfeld BL. An umpolung approach toward N-aryl nitrone construction: a phosphine-mediated addition of 1,2-dicarbonyls to nitroso electrophiles. Chemical Communications (Cambridge, England). 50: 10853-6. PMID 25090627 DOI: 10.1039/C4Cc05044D  0.44
2014 Haugen KC, Rodriguez KX, Chavannavar AP, Oliver AG, Ashfeld BL. Phosphine-mediated addition of 1,2-dicarbonyls to diazenes: An umpolung approach toward N-acyl hydrazone synthesis Tetrahedron Letters. DOI: 10.1016/J.Tetlet.2015.01.030  0.493
2014 Meloche JL, Vednor PT, Gianino JB, Oliver AG, Ashfeld BL. Titanocene-catalyzed metallation of propargylic acetates in homopropargyl alcohol synthesis Tetrahedron Letters. 55: 5025-5028. DOI: 10.1016/J.Tetlet.2014.07.029  0.778
2013 Campos CA, Gianino JB, Bailey BJ, Baluyut ME, Wiek C, Hanenberg H, Shannon HE, Pollok KE, Ashfeld BL. Design, synthesis, and evaluation of curcumin-derived arylheptanoids for glioblastoma and neuroblastoma cytotoxicity. Bioorganic & Medicinal Chemistry Letters. 23: 6874-8. PMID 24183537 DOI: 10.1016/J.Bmcl.2013.09.095  0.759
2013 Vogt M, Wu C, Oliver AG, Meyer CJ, Schneider WF, Ashfeld BL. Site specific carboxylation of abnormal anionic N-heterocyclic dicarbenes with CO2. Chemical Communications (Cambridge, England). 49: 11527-9. PMID 24177269 DOI: 10.1039/C3Cc46555A  0.332
2013 Fleury LM, Wilson EE, Vogt M, Fan TJ, Oliver AG, Ashfeld BL. Amine-free approach toward N-toluenesulfonyl amidine construction: a phosphite-mediated Beckmann-like coupling of oximes and p-toluenesulfonyl azide. Angewandte Chemie (International Ed. in English). 52: 11589-93. PMID 24038711 DOI: 10.1002/Anie.201305141  0.433
2013 Campos CA, Gianino JB, Ashfeld BL. Bifunctional titanocene catalysis in multicomponent couplings: a convergent assembly of β-alkynyl ketones. Organic Letters. 15: 2656-9. PMID 23672573 DOI: 10.1021/Ol400943A  0.792
2013 Fleury LM, Kosal AD, Masters JT, Ashfeld BL. Cooperative titanocene and phosphine catalysis: accelerated C-X activation for the generation of reactive organometallics. The Journal of Organic Chemistry. 78: 253-69. PMID 23094703 DOI: 10.1021/Jo301726V  0.786
2013 Meyer CJ, Vogt M, Catalino JP, Ashfeld BL. An operationally simple and scalable approach to functionalized ionic liquids from phosphonium and N-heterocyclic halide salts Synlett. 24: 1428-1432. DOI: 10.1055/S-0033-1338806  0.307
2013 Lepore AJ, Pinkerton DM, Ashfeld BL. Relay redox and Lewis acid catalysis in the titanocene- catalyzed multicomponent assembly of 1,5-enynes Advanced Synthesis and Catalysis. 355: 1500-1504. DOI: 10.1002/Adsc.201300359  0.779
2012 Kosal AD, Wilson EE, Ashfeld BL. Phosphine-based redox catalysis in the direct traceless Staudinger ligation of carboxylic acids and azides. Angewandte Chemie (International Ed. in English). 51: 12036-40. PMID 23109088 DOI: 10.1002/Anie.201206533  0.766
2012 Gianino JB, Ashfeld BL. Titanocene-catalyzed multicomponent coupling approach to diarylethynyl methanes. Journal of the American Chemical Society. 134: 18217-20. PMID 23082873 DOI: 10.1021/Ja308891E  0.798
2012 Kosal AD, Wilson EE, Ashfeld BL. Direct acyl substitution of carboxylic acids: a chemoselective O- to N-acyl migration in the traceless Staudinger ligation. Chemistry (Weinheim An Der Bergstrasse, Germany). 18: 14444-53. PMID 23001688 DOI: 10.1002/Chem.201201773  0.791
2012 Fleury LM, Gianino JB, Ashfeld BL. Positional chemoselectivity in the Zn(II)-mediated removal of phenol protecting groups Tetrahedron Letters. 53: 5376-5379. DOI: 10.1016/J.Tetlet.2012.07.103  0.772
2011 Campos CA, Gianino JB, Pinkerton DM, Ashfeld BL. Aryl aldehydes as traceless dielectrophiles in bifunctional titanocene-catalyzed propargylic C-X activations. Organic Letters. 13: 5680-3. PMID 21957998 DOI: 10.1021/Ol202401N  0.761
2011 Wilson EE, Oliver AG, Hughes RP, Ashfeld BL. Synthesis of phosphine-ligated zinc acetylide dimers: Enhanced reactivity in carbonyl additions Organometallics. 30: 5214-5221. DOI: 10.1021/Om200581F  0.445
2010 Kosal AD, Ashfeld BL. Titanocene-catalyzed conjugate reduction of alpha,beta-unsaturated carbonyl derivatives. Organic Letters. 12: 44-7. PMID 19968238 DOI: 10.1021/Ol9024315  0.757
2010 Fleury LM, Ashfeld BL. Generation of allyl Grignard reagents via titanocene-catalyzed activation of allyl halides Tetrahedron Letters. 51: 2427-2430. DOI: 10.1016/J.Tetlet.2010.02.144  0.528
2010 Kosal AD, Ashfeld BL. ChemInform Abstract: Titanocene-Catalyzed Conjugate Reduction of α,β-Unsaturated Carbonyl Derivatives. Cheminform. 41: no-no. DOI: 10.1002/chin.201023039  0.745
2009 Fleury LM, Ashfeld BL. Organozinc generation via the titanium-catalyzed activation of alkyl halides. Organic Letters. 11: 5670-3. PMID 19924877 DOI: 10.1021/Ol902374V  0.488
2008 Trost BM, Ashfeld BL. Coupling of alkenes and alkynes: synthesis of the C1-C11 And C18-C28 fragments of miyakolide. Organic Letters. 10: 1893-6. PMID 18426220 DOI: 10.1021/Ol800347U  0.53
2008 Trost BM, Ashfeld BL. ChemInform Abstract: Coupling of Alkenes and Alkynes: Synthesis of the C1-C11 (IVb) and C18-C28 (XV) Fragments of Miyakolide. Cheminform. 39. DOI: 10.1002/chin.200841210  0.354
2007 Ashfeld BL, Miller KA, Smith AJ, Tran K, Martin SF. Features and applications of [Rh(CO)(2)Cl](2)-catalyzed alkylations of unsymmetrical allylic substrates. The Journal of Organic Chemistry. 72: 9018-31. PMID 17973524 DOI: 10.1021/Jo701290B  0.779
2006 Ashfeld BL, Martin SF. Enantioselective Syntheses of Tremulenediol A (I) and Tremulenolide A (II). Cheminform. 37. DOI: 10.1002/chin.200607186  0.39
2005 Ashfeld BL, Martin SF. Enantioselective syntheses of tremulenediol A and tremulenolide A. Organic Letters. 7: 4535-7. PMID 16178577 DOI: 10.1016/J.Tet.2006.05.087  0.631
2005 Ashfeld BL, Miller KA, Smith AJ, Tran K, Martin SF. [Rh(CO)2Cl]2-catalyzed domino reactions involving allylic substitution and subsequent carbocyclization reactions. Organic Letters. 7: 1661-3. PMID 15816777 DOI: 10.1021/Ol0504300  0.739
2004 Ashfeld BL, Miller KA, Martin SF. Direct, stereoselective substitution in [Rh(CO)(2)Cl](2)-catalyzed allylic alkylations of unsymmetrical substrates. Organic Letters. 6: 1321-4. PMID 15070327 DOI: 10.1021/Ol0496529  0.738
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