Highly enantioselective addition of enals to isatin-derived ketimines catalyzed by N-heterocyclic carbenes: synthesis of spirocyclic γ-lactams H Lv, B Tiwari, J Mo, C Xing, YR Chi Organic letters 14 (21), 5412-5415, 2012 | 201 | 2012 |
Enantioselective Oxidative Cross‐Dehydrogenative Coupling of Tertiary Amines to Aldehydes J Zhang, B Tiwari, C Xing, X Chen, YR Chi ChemInform 43 (36), no, 2012 | 170 | 2012 |
Catalytic activation of carbohydrates as formaldehyde equivalents for Stetter reaction with enones J Zhang, C Xing, B Tiwari, YR Chi Journal of the American Chemical Society 135 (22), 8113-8116, 2013 | 133 | 2013 |
Direct α-functionalization of simple aldehydes via oxidative N-heterocyclic carbene catalysis J Mo, R Yang, X Chen, B Tiwari, YR Chi Organic letters 15 (1), 50-53, 2013 | 115 | 2013 |
Controlled β-protonation and [4+ 2] cycloaddition of enals and chalcones via N-heterocyclic carbene/acid catalysis: toward substrate independent reaction control Z Fu, H Sun, S Chen, B Tiwari, G Li, YR Chi Chemical Communications 49 (3), 261-263, 2013 | 113 | 2013 |
Access to spirocyclic oxindoles via N-heterocyclic carbene-catalyzed reactions of enals and oxindole-derived α, β-unsaturated imines K Jiang, B Tiwari, YR Chi Organic letters 14 (9), 2382-2385, 2012 | 112 | 2012 |
Organocatalytic activation of alkylacetic esters as enolate precursors to react with α, β-unsaturated imines L Hao, S Chen, J Xu, B Tiwari, Z Fu, T Li, J Lim, YR Chi Organic letters 15 (19), 4956-4959, 2013 | 103 | 2013 |
Enantioselective intramolecular formal [2+ 4] annulation of acrylates and α, β-unsaturated imines catalyzed by amino acid derived phosphines Z Jin, R Yang, Y Du, B Tiwari, R Ganguly, YR Chi Organic letters 14 (12), 3226-3229, 2012 | 94 | 2012 |
Asymmetric access to the smallest enolate intermediate via organocatalytic activation of acetic ester S Chen, L Hao, Y Zhang, B Tiwari, YR Chi Organic letters 15 (22), 5822-5825, 2013 | 92 | 2013 |
Addition of indoles to oxyallyl cations for facile access to α-indole carbonyl compounds Q Tang, X Chen, B Tiwari, YR Chi Organic letters 14 (7), 1922-1925, 2012 | 80 | 2012 |
Facile Access to Chiral Ketones through Metal‐Free Oxidative CC Bond Cleavage of Aldehydes by O2 B Tiwari, J Zhang, YR Chi Angewandte Chemie International Edition 8 (51), 1911-1914, 2012 | 74 | 2012 |
Chiral pyrrolidine–triazole conjugate catalyst for asymmetric Michael and Aldol reactions S Chandrasekhar, B Tiwari, BB Parida, CR Reddy Tetrahedron: Asymmetry 19 (4), 495-499, 2008 | 58 | 2008 |
Direct N-H/N-Me Aziridination of Unactivated Olefins Using O-(Sulfonyl)hydroxylamines as Aminating Agents S Sabir, CB Pandey, AK Yadav, B Tiwari, JL Jat The Journal of Organic Chemistry 83 (19), 12255-12260, 2018 | 27 | 2018 |
Carbene-Catalyzed Tandem [1, 2]-Phospha-Brook/[1, 4]-Phosphate Rearrangement: Access to α-Ketophosphates via Controlled Cross-Acyloin Condensation RS Verma, CB Pandey, S Kumar, B Tiwari The Journal of Organic Chemistry 83 (16), 9478-9483, 2018 | 27 | 2018 |
Direct Construction of 2,3-Dihydroxy-2,3-diaryltetrahydrofurans via N-Heterocyclic Carbene/Base-Mediated Domino Reactions of Aromatic Aldehydes and Vinyl Selenone BT Atanu Bhaumik, Ram S. Verma Organic Letters 19 (3), 444-447, 2017 | 27 | 2017 |
Concise synthesis of truncated pachastrissamine (jaspine B) and its enantiomer S Chandrasekhar, B Tiwari, S JayaPrakash | 25 | 2006 |
Stereoselective oxidative rearrangement of disubstituted unactivated alkenes using hypervalent iodine (III) reagent CB Pandey, T Azaz, RS Verma, M Mishra, JL Jat, B Tiwari The Journal of Organic Chemistry 85 (15), 10175-10181, 2020 | 23 | 2020 |
A highly efficient NHC-catalyzed aerobic oxidation of aldehydes to carboxylic acids AK Khatana, V Singh, MK Gupta, B Tiwari Synthesis 50 (21), 4290-4294, 2018 | 22 | 2018 |
Synthesis of chiral 3-substituted 3-amino-2-oxindoles through enantioselective catalytic domino and tandem reactions H Pellissier Synthesis 51 (06), 1311-1318, 2019 | 20 | 2019 |
Construction of Phenanthrenes and Chrysenes from β-Bromovinylarenes via Aryne Diels–Alder Reaction/Aromatization V Singh, RS Verma, AK Khatana, B Tiwari The Journal of Organic Chemistry 84 (21), 14161-14167, 2019 | 19 | 2019 |