Chiral bis (oxazoline) copper (II) complexes: versatile catalysts for enantioselective cycloaddition, aldol, Michael, and carbonyl ene reactions JS Johnson, DA Evans Accounts of chemical research 33 (6), 325-335, 2000 | 1319 | 2000 |
Enantioselective Synthesis of Dihydropyrans. Catalysis of Hetero Diels− Alder Reactions by Bis (oxazoline) Copper (II) Complexes DA Evans, JS Johnson, EJ Olhava Journal of the American Chemical Society 122 (8), 1635-1649, 2000 | 423 | 2000 |
Scope and mechanism for lewis acid-catalyzed cycloadditions of aldehydes and donor− acceptor cyclopropanes: Evidence for a stereospecific intimate ion pair pathway PD Pohlhaus, SD Sanders, AT Parsons, W Li, JS Johnson Journal of the American Chemical Society 130 (27), 8642-8650, 2008 | 397 | 2008 |
Imidotitanium complexes as hydroamination catalysts: Substantially enhanced reactivity from an unexpected cyclopentadienide/amide ligand exchange JS Johnson, RG Bergman Journal of the American Chemical Society 123 (12), 2923-2924, 2001 | 387 | 2001 |
Bis (oxazoline) and Bis (oxazolinyl) pyridine copper complexes as enantioselective Diels− Alder catalysts: reaction scope and synthetic applications DA Evans, DM Barnes, JS Johnson, T Lectka, P von Matt, SJ Miller, ... Journal of the American Chemical Society 121 (33), 7582-7594, 1999 | 344 | 1999 |
Catalytic enantioselective synthesis of tetrahydrofurans: a dynamic kinetic asymmetric [3+ 2] cycloaddition of racemic cyclopropanes and aldehydes AT Parsons, JS Johnson Journal of the American Chemical Society 131 (9), 3122-3123, 2009 | 333 | 2009 |
Catalyzed reactions of acyl anion equivalents JS Johnson Angewandte Chemie International Edition 43 (11), 1326-1328, 2004 | 329 | 2004 |
Copper-catalyzed electrophilic amination of diorganozinc reagents AM Berman, JS Johnson Journal of the American Chemical Society 126 (18), 5680-5681, 2004 | 307 | 2004 |
Enantiospecific sn (ii)-and sn (iv)-catalyzed cycloadditions of aldehydes and donor− acceptor cyclopropanes PD Pohlhaus, JS Johnson Journal of the American Chemical Society 127 (46), 16014-16015, 2005 | 287 | 2005 |
Dynamic kinetic asymmetric synthesis of substituted pyrrolidines from racemic cyclopropanes and aldimines: reaction development and mechanistic insights AT Parsons, AG Smith, AJ Neel, JS Johnson Journal of the American Chemical Society 132 (28), 9688-9692, 2010 | 247 | 2010 |
An Improved Procedure for the Preparation of 2, 2-Bis [2-[4 (S)-tert-butyl-1, 3-oxazolinyl]] propane [(S, S)-tert-Butylbis (oxazoline)] and Derived Copper (II) Complexes DA Evans, GS Peterson, JS Johnson, DM Barnes, KR Campos, ... Journal of organic chemistry 63, 4541-4544, 1998 | 233 | 1998 |
Catalytic Enantioselective Hetero Diels− Alder Reactions of α, β-Unsaturated Acyl Phosphonates with Enol Ethers DA Evans, JS Johnson Journal of the American Chemical Society 120 (19), 4895-4896, 1998 | 226 | 1998 |
Copper-Catalyzed Electrophilic Amination of Organozinc Nucleophiles: Documentation of O-Benzoyl Hydroxylamines as Broadly Useful R2N(+) and RHN(+ … AM Berman, JS Johnson The Journal of Organic Chemistry 71 (1), 219-224, 2006 | 211 | 2006 |
Metallophosphites as umpolung catalysts: the enantioselective cross silyl benzoin reaction X Linghu, JR Potnick, JS Johnson Journal of the American Chemical Society 126 (10), 3070-3071, 2004 | 204 | 2004 |
Complexity-Building Annulations of Strained Cycloalkanes and C O π Bonds MJ Campbell, JS Johnson, AT Parsons, PD Pohlhaus, SD Sanders The Journal of Organic Chemistry 75 (19), 6317-6325, 2010 | 193 | 2010 |
Mechanistic studies of the copper-catalyzed electrophilic amination of diorganozinc reagents and development of a zinc-free protocol MJ Campbell, JS Johnson Organic letters 9 (8), 1521-1524, 2007 | 182 | 2007 |
Chiral C2‐Symmetric CuII Complexes as Catalysts for Enantioselective Hetero‐Diels–Alder Reactions DA Evans, EJ Olhava, JS Johnson, JM Janey Angewandte Chemie International Edition 37 (24), 3372-3375, 1998 | 179 | 1998 |
Highly diastereoselective synthesis of tetrahydrofurans via lewis acid-catalyzed cyclopropane/aldehyde cycloadditions PD Pohlhaus, JS Johnson The Journal of Organic Chemistry 70 (3), 1057-1059, 2005 | 176 | 2005 |
A general method for the synthesis of enantiomerically pure β-substituted, β-amino acids through α-substituted succinic acid derivatives DA Evans, LD Wu, JJM Wiener, JS Johnson, DHB Ripin, JS Tedrow The Journal of Organic Chemistry 64 (17), 6411-6417, 1999 | 170 | 1999 |
Diastereoselective synthesis of tetrahydrofurans via palladium (0)-catalyzed [3+ 2] cycloaddition of vinylcyclopropanes and aldehydes AT Parsons, MJ Campbell, JS Johnson Organic Letters 10 (12), 2541-2544, 2008 | 162 | 2008 |