| Highly enantioselective organocatalytic sulfa-Michael addition to α, β-unsaturated ketones NK Rana, S Selvakumar, VK Singh The Journal of Organic Chemistry 75 (6), 2089-2091, 2010 | 149 | 2010 |
| Enantioselective Enolate Protonation in Sulfa–Michael Addition to α-Substituted N-Acryloyloxazolidin-2-ones with Bifunctional Organocatalyst NK Rana, VK Singh Organic Letters 13 (24), 6520-6523, 2011 | 105 | 2011 |
| Highly diastereodivergent synthesis of tetrasubstituted cyclohexanes catalyzed by modularly designed organocatalysts NK Rana, H Huang, JCG Zhao Angewandte Chemie International Edition 53 (29), 7619-7623, 2014 | 83 | 2014 |
| Highly enantioselective conjugate addition of malononitrile to 2-enoylpyridines with bifunctional organocatalyst N Molleti, NK Rana, VK Singh Organic letters 14 (17), 4322-4325, 2012 | 53 | 2012 |
| 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 | 50 | 2017 |
| List–Barbas–Mannich Reaction Catalyzed by Modularly Designed Organocatalysts S Perera, D Sinha, NK Rana, V Trieu-Do, JCG Zhao The Journal of Organic Chemistry 78 (21), 10947-10953, 2013 | 43 | 2013 |
| Asymmetric multifunctional modular organocatalysis: one-pot direct strategy to enantiopure α, β-disubstituted γ-butyrolactones P Mahto, NK Rana, K Shukla, BG Das, H Joshi, VK Singh Organic letters 21 (15), 5962-5966, 2019 | 28 | 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 | 28 | 2013 |
| 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 |
| Enantioselective access to tetrahydropyrano [2, 3-c] pyrazoles via an organocatalytic domino Michael-hydroalkoxylation reaction NK Rana, RK Jha, H Joshi, VK Singh Tetrahedron letters 58 (22), 2135-2139, 2017 | 27 | 2017 |
| Organocatalytic enantioselective synthesis of polysubstituted spirooxindoles using a tandem Michael–Michael reaction S Abbaraju, N Ramireddy, NK Rana, H Arman, JCG Zhao Advanced Synthesis & Catalysis 357 (12), 2633-2638, 2015 | 24 | 2015 |
| Highly Stereoselective Synthesis of 2,6-cis-Substituted Tetrahydropyrans Using a One-Pot Sequential Catalysis Q Dai, NK Rana, JCG Zhao Organic letters 15 (12), 2922-2925, 2013 | 23 | 2013 |
| A facile and highly diastereoselective synthesis of carbocyclic spiro-pyrazolones via DABCO catalyzed Michael-Michael domino reaction NK Rana, K Shukla, P Mahto, RK Jha, VK Singh Tetrahedron 74 (38), 5270-5279, 2018 | 15 | 2018 |
| An efficient and highly diastereoselective synthesis of carbocyclic spiropyrazolones via one-pot sequential dual organo-silver catalyzed Michael-hydroalkylation reactions K Shukla, S Shah, NK Rana, VK Singh Tetrahedron letters 60 (1), 92-97, 2019 | 12 | 2019 |
| Enantioselective tandem oxidation/Michael–aldol approaches to tetrasubstituted cyclohexanes NK Rana, H Joshi, RK Jha, VK Singh Chemistry–A European Journal 23 (9), 2040-2043, 2017 | 10 | 2017 |
| Review on Asymmetric Catalysis Employing 5H‐Oxazol‐4‐Ones as α‐Hydroxy Carboxylic Acid Surrogates A Jain, NK Rana Advanced Synthesis & Catalysis 363 (16), 3879-3912, 2021 | 8 | 2021 |
| Asymmetric Catalytic Approaches Employing α, β‐Unsaturated Imines SK Saha, A Bera, S Singh, NK Rana European Journal of Organic Chemistry 26 (15), e202201470, 2023 | 6 | 2023 |
| Functional Group Interconversion of Alkylidenemalononitriles to Primary Alcohols by a Cooperative Redox Operation F Emmetiere, AJ Grenning Synthesis 52 (20), 3077-3085, 2020 | 5 | 2020 |
| A reusable polymer anchored pyridine mediated formal [4+ 1] annulation reaction for the diastereoselective synthesis of 2, 3-dihydrobenzofurans A Kumari, A Jain, K Shukla, R Patra, NK Rana Organic & Biomolecular Chemistry 21 (27), 5542-5546, 2023 | 3 | 2023 |
| Experimental and computational studies on the Cinchona anchored calixarene catalysed asymmetric Michael addition reaction PR Sharma, A Malik, S Bandaru, K Vashisth, NK Rana, RK Sharma Chemical Communications 58 (52), 7249-7252, 2022 | 3 | 2022 |
