Asymmetric preparation of polysubstituted cyclopentanes by synergistic Pd (0)/amine catalyzed formal [3+ 2] cycloadditions of vinyl cyclopropanes with enals M Laugeois, S Ponra, V Ratovelomanana-Vidal, V Michelet, MR Vitale Chemical Communications 52 (30), 5332-5335, 2016 | 90 | 2016 |
One-pot efficient green synthesis of spirooxindole-annulated thiopyran derivatives via Knoevenagel condensation followed by Michael addition KC Majumdar, S Ponra, RK Nandi Tetrahedron Letters 53 (14), 1732-1737, 2012 | 50 | 2012 |
Green approach to highly functionalized thiopyrano derivatives via domino multi-component reaction in water KC Majumdar, S Ponra, T Ghosh RSC advances 2 (3), 1144-1152, 2012 | 47 | 2012 |
Brønsted acid-promoted synthesis of common heterocycles and related bio-active and functional molecules S Ponra, KC Majumdar RSC advances 6 (44), 37784-37922, 2016 | 45 | 2016 |
HNTf2-Catalyzed Regioselective Preparation of Polysubstituted Naphthalene Derivatives Through Alkyne–Aldehyde Coupling S Ponra, MR Vitale, V Michelet, V Ratovelomanana-Vidal The Journal of Organic Chemistry 80 (6), 3250-3257, 2015 | 45 | 2015 |
Recent developments in transition-metal-catalyzed asymmetric hydrogenation of enamides S Ponra, B Boudet, P Phansavath, V Ratovelomanana-Vidal Synthesis 53 (02), 193-214, 2021 | 43 | 2021 |
Catalyst-free domino-Knoevenagel-hetero-Diels–Alder reaction of terminal alkynes in water: an efficient one-step synthesis of indole-annulated thiopyranobenzopyran derivatives KC Majumdar, A Taher, S Ponra Tetrahedron Letters 51 (1), 147-150, 2010 | 42 | 2010 |
A reductive Mizoroki–Heck approach to dibenzo [b, e] oxepine KC Majumdar, T Ghosh, S Ponra Tetrahedron Letters 54 (35), 4661-4665, 2013 | 39 | 2013 |
Catalyst-free regioselective synthesis of benzopyran-annulated thiopyrano [2, 3-b] thiochromen-5-(4H)-one derivatives by domino-Knoevenagel-hetero-Diels–Alder reaction of … KC Majumdar, A Taher, S Ponra Tetrahedron Letters 51 (17), 2297-2300, 2010 | 38 | 2010 |
Synthesis of quinoline based heterocyclic compounds for blue lighting application V Kumar, M Gohain, JH Van Tonder, S Ponra, BCB Bezuindenhoudt, ... Optical Materials 50, 275-281, 2015 | 36 | 2015 |
Diastereo-and enantioselective synthesis of fluorine motifs with two contiguous stereogenic centers S Ponra, W Rabten, J Yang, H Wu, S Kerdphon, PG Andersson Journal of the American Chemical Society 140 (42), 13878-13883, 2018 | 34 | 2018 |
Efficient one-pot synthesis of substituted 4, 7-phenanthroline, pyrano-[3, 2-f] quinoline and pyrano [3, 2-g] quinoline derivatives by aza-diels-alder reaction KC Majumdar, S Ponra, D Ghosh, A Taher Synlett 2011 (01), 104-110, 2011 | 34 | 2011 |
An improved environmentally friendly approach to 4-nitro-, 4-sulfonyl-, and 4-aminoquinolines and 4-quinolones through conjugate addition of nucleophiles to β-(2-aminophenyl)-α … ND Rode, A Arcadi, M Chiarini, F Marinelli Synthesis 49 (11), 2501-2512, 2017 | 32 | 2017 |
Asymmetric synthesis of alkyl fluorides: hydrogenation of fluorinated olefins S Ponra, J Yang, S Kerdphon, PG Andersson Angewandte Chemie 131 (27), 9383-9388, 2019 | 30 | 2019 |
A new efficient method for the synthesis of 3, 4-dihydro-2H-1, 4-benzoxazines via iodocyclization KC Majumdar, K Ray, S Ponra Tetrahedron Letters 51 (41), 5437-5439, 2010 | 29 | 2010 |
Diastereo-and enantioselective synthesis of structurally diverse succinate, butyrolactone, and trifluoromethyl derivatives by iridium-catalyzed hydrogenation of … S Kerdphon, S Ponra, J Yang, H Wu, L Eriksson, PG Andersson ACS Catalysis 9 (7), 6169-6176, 2019 | 27 | 2019 |
Al (OTf) 3-Catalyzed Preparation of 4-Hydroxy-3-propargylic Coumarins and Subsequent Regioselective Cyclization towards Furo-or Pyrano [3, 2-c] coumarins S Ponra, M Gohain, JH van Tonder, BCB Bezuidenhoudt Synlett 26 (06), 745-750, 2015 | 25 | 2015 |
Iridium-catalysed enantioselective formal deoxygenation of racemic alcohols via asymmetric hydrogenation J Zheng, J Jongcharoenkamol, BBC Peters, J Guhl, S Ponra, ... Nature Catalysis 2 (12), 1093-1100, 2019 | 20 | 2019 |
Palladium (0)-Catalyzed Diastereoselective (3+ 2) Cycloadditions of Vinylcyclopropanes with Sulfonyl-Activated Imines J Ling, M Laugeois, V Ratovelomanana-Vidal, MR Vitale Synlett 29 (17), 2288-2292, 2018 | 18 | 2018 |
Copper (I)-Catalyst-Free Approach for the Synthesis of Chromene-Fused Pyrido [3, 2-d] pyrimidines by Lewis Acid Catalyzed Aza-Diels-Alder Reaction KC Majumdar, S Ponra, S Ganai Synlett 2010 (17), 2575-2578, 2010 | 18 | 2010 |