Enantioselective Hydrophosphonylation of in Situ Generated N-Acyl Ketimines Catalyzed by BINOL-Derived Phosphoric Acid A Suneja, RA Unhale, VK Singh Organic letters 19 (3), 476-479, 2017 | 72 | 2017 |
A general catalytic route to isoindolinones and tetrahydroisoquinolines: application in the synthesis of (±)-crispine A S Dhanasekaran, V Bisai, RA Unhale, A Suneja, VK Singh Organic letters 16 (23), 6068-6071, 2014 | 71 | 2014 |
Asymmetric Direct Vinylogous Michael Addition to 2-Enoylpyridine N-Oxides Catalyzed by Bifunctional Thio-Urea S Rout, SK Ray, RA Unhale, VK Singh Organic letters 16 (21), 5568-5571, 2014 | 65 | 2014 |
An Efficient Entry to syn- and anti-Selective Isoindolinones via an Organocatalytic Direct Mannich/Lactamization Sequence V Bisai, RA Unhale, A Suneja, S Dhanasekaran, VK Singh Organic letters 17 (9), 2102-2105, 2015 | 62 | 2015 |
Chiral phosphoric acid catalyzed enantioselective addition of thiols to in situ generated ketimines: Synthesis of N,S-ketals RA Unhale, N Molleti, NK Rana, S Dhanasekaran, S Bhandary, VK Singh Tetrahedron letters 58 (2), 145-151, 2017 | 53 | 2017 |
A chiral Brønsted acid-catalyzed highly enantioselective Mannich-type reaction of α-diazo esters with in situ generated N-acyl ketimines RA Unhale, MM Sadhu, SK Ray, RG Biswas, VK Singh Chemical Communications 54 (28), 3516-3519, 2018 | 48 | 2018 |
A General Catalytic Route to Enantioenriched Isoindolinones and Phthalides: Application in the Synthesis of (S)-PD 172938 SK Ray, MM Sadhu, RG Biswas, RA Unhale, VK Singh Organic letters 21 (2), 417-422, 2019 | 45 | 2019 |
Organocatalytic enantioselective transient enolate protonation in conjugate addition of thioacetic acid to α-substituted N-acryloyloxazolidinones RA Unhale, NK Rana, VK Singh Tetrahedron Letters 54 (15), 1911-1915, 2013 | 30 | 2013 |
Chiral Brønsted Acid Catalyzed Enantioselective Synthesis of Spiro-Isoindolinone-Indolines via Formal [3+ 2] Cycloaddition RA Unhale, MM Sadhu, VK Singh Organic Letters 24 (18), 3319-3324, 2022 | 28 | 2022 |
Enantioselective sulfa-Michael addition of thioacids to α, β-unsaturated ketones with bifunctional organocatalyst NK Rana, R Unhale, VK Singh Tetrahedron Letters 53 (16), 2121-2124, 2012 | 28 | 2012 |
Brønsted acid-catalyzed enantioselective addition of 1, 3-diones to in situ generated N-acyl ketimines MM Sadhu, SK Ray, RA Unhale, VK Singh Organic & Biomolecular Chemistry 20 (2), 410-414, 2022 | 11 | 2022 |
Organocatalytic Asymmetric Cascade Michael-acyl Transfer Reaction between 2-Fluoro-1, 3-diketones and Unsaturated Thiazolones: Access to Fluorinated 4-Acyloxy Thiazoles RG Biswas, SK Ray, RA Unhale, VK Singh Organic Letters 23 (16), 6504-6509, 2021 | 9 | 2021 |
Cu (i)-Catalyzed asymmetric exo-selective synthesis of substituted pyrrolidines via a 1, 3-dipolar cycloaddition reaction RG Biswas, SK Ray, VK Kannaujiya, RA Unhale, VK Singh Organic & Biomolecular Chemistry 19 (21), 4685-4690, 2021 | 7 | 2021 |
Chiral phosphoric acid-catalyzed reaction between C-alkynyl imine precursor and thiol: Access to highly enantioenriched alkynyl isoindolinones with N, S-ketal framework C Khajuria, MM Sadhu, RA Unhale, VK Singh Tetrahedron Letters 112, 154230, 2022 | 5 | 2022 |
Organocatalytic Enantioselective CS and CC Bond-Forming Reactions: Applications in Organic Synthesis RA Unhale Indian Institute of Science Education and Research Bhopal, 2016 | | 2016 |
Organocatalytic enantioselective transient enolate protonation in conjugate addition of thioacetic acid to a-substituted N-acryloyloxazolidinones RA Unhale, NK Rana, VK Singh Elsevier, 2013 | | 2013 |
Chiral Phosphoric Acid-Catalyzed Mannich-Type Reaction between C-Alkynyl Imine Precursor and Thiol: Access to Highly Enantioenriched Alkynyl Isoindolinones C Khajuria, MM Sadhu, RA Unhale, VKK Singh Available at SSRN 4235146, 0 | | |
Chiral Phosphoric Acid Catalyzed Addition of Diazo Esters to N-Acyl Ketimines: An Access to Enantioenriched Isoindolinones RA Unhale, MM Sadhu | | |
Inter-IISER Chemistry Meet (IICM 2017) Chiral Phosphoric Acid Catalyzed Enantioselective Addition of Thiols to in Situ Generated Ketimines: Synthesis of N, S-Ketals RA Unhale | | |