Follow
Ravindra Kumar
Ravindra Kumar
Principal scientist and Associate professor (AcSIR), medicinal and process chemistry division, CSIR
Verified email at cdri.res.in - Homepage
Title
Cited by
Cited by
Year
Nickel (0)-catalyzed enantio-and diastereoselective synthesis of benzoxasiloles: ligand-controlled switching from inter-to intramolecular aryl-transfer process
R Kumar, Y Hoshimoto, H Yabuki, M Ohashi, S Ogoshi
Journal of the American Chemical Society 137 (36), 11838-11845, 2015
842015
Two-step synthesis of chiral fused tricyclic scaffolds from phenols via desymmetrization on nickel
R Kumar, Y Hoshimoto, E Tamai, M Ohashi, S Ogoshi
Nature Communications 8 (1), 32, 2017
632017
Stereospecific route to 5, 11-methanomorphanthridine alkaloids via intramolecular 1, 3-dipolar cycloaddition of nonstabilized azomethine ylide: Formal total synthesis of …
G Pandey, P Banerjee, R Kumar, VG Puranik
Organic Letters 7 (17), 3713-3716, 2005
622005
Efficient Synthesis of Polycyclic γ‐Lactams by Catalytic Carbonylation of Ene‐Imines via Nickelacycle Intermediates
Y Hoshimoto, K Ashida, Y Sasaoka, R Kumar, K Kamikawa, X Verdaguer, ...
Angewandte Chemie International Edition 56 (28), 8206-8210, 2017
432017
Nickel-catalyzed enantioselective synthesis of cyclobutenes via [2+ 2] cycloaddition of α, β-unsaturated carbonyls with 1, 3-enynes
R Kumar, E Tamai, A Ohnishi, A Nishimura, Y Hoshimoto, M Ohashi, ...
Synthesis, 2789-2794, 2016
382016
Highly Efficient Activation of Organosilanes with η2-Aldehyde Nickel Complexes: Key for Catalytic Syntheses of Aryl-, Vinyl-, and Alkynyl-Benzoxasiloles
Y Hoshimoto, H Yabuki, R Kumar, H Suzuki, M Ohashi, S Ogoshi
Journal of the American Chemical Society 136 (48), 16752-16755, 2014
322014
Strategic Utilization of Multifunctional Carbene for Direct Synthesis of Carboxylic–Phosphinic Mixed Anhydride from CO2
SO Yoichi Hoshimoto,* Takahiro Asada, Sunit Hazra, Takuya Kinoshita ...
Angew. Chem. Int. Ed. 55, 16075-16079, 2016
30*2016
Nickel (0)-catalyzed intramolecular reductive coupling of alkenes and aldehydes or ketones with hydrosilanes
Y Hayashi, Y Hoshimoto, R Kumar, M Ohashi, S Ogoshi
Chemical Communications 52 (37), 6237-6240, 2016
302016
Nickel(0)/N-Heterocyclic Carbene-Catalyzed Asymmetric [2 + 2 + 2] Cycloaddition of Two Enones and an Alkyne: Access to Cyclohexenes with Four Contiguous …
R Kumar, H Tokura, A Nishimura, T Mori, Y Hoshimoto, M Ohashi, ...
Organic letters 17 (24), 6018-6021, 2015
292015
Redox-neutral functionalization of α-Csp 3–H bonds of secondary cyclic amines: a highly atom-economical strategy for N-arylation/formal cross-dehydrogenative couplings
P Jha, S Husen, R Kumar
Green Chemistry 23 (8), 2950-2955, 2021
202021
One‐Step Stereospecific Strategy for the Construction of the Core Structure of the 5, 11‐Methanomorphanthridine Alkaloids in Racemic as well as in Optically Pure Form …
G Pandey, R Kumar, P Banerjee, VG Puranik
European Journal of Organic Chemistry 2011 (24), 4571-4587, 2011
192011
Enantioselective Alkylation of Aldehydes Using Functionalized Alkylboron Reagents Catalyzed by a Chiral Titanium Complex
R Kumar, H Kawasaki, T Harada
Organic letters 15 (16), 4198-4201, 2013
182013
Site-selective 1, 3-double functionalization of arenes using para-quinol, C–N, and C–C/C–P three-component coupling
S Husen, A Chauhan, R Kumar
Green Chemistry 22 (4), 1119-1124, 2020
152020
Catalytic Enantioselective Synthesis of α-Substituted Secondary Allylic Alcohols from Terminal Alkynes and Aldehydes via Vinylaluminum Reagents
R Kumar, H Kawasaki, T Harada
Chemistry - A European Journal 19 (52), 17707–17710, 2013
142013
Sustainable Passerini-tetrazole three component reaction (PT-3CR): selective synthesis of oxaborol-tetrazoles
A Singh, R Kumar
Chemical Communications 57 (76), 9708-9711, 2021
102021
Nickel (0)-catalyzed coupling reactions of carbonyls and alkenes with reducing reagents giving six-and seven-membered benzocycloalkanols
Y Hayashi, Y Hoshimoto, R Kumar, M Ohashi, S Ogoshi
Chemistry Letters 46 (8), 1096-1098, 2017
102017
An Overview on Indole Aryl Sulfide/Sulfone (IAS) as Anti‐HIV Non‐Nucleoside Reverse Transcriptase Inhibitors (NNRTIs)
AK Sinha, D Equbal, SK Rastogi, S Kumar, R Kumar
Asian Journal of Organic Chemistry 11 (4), e202100744, 2022
92022
Catalytic Synthesis of Isoquinolines via Intramolecular Migration of N-Aryl Sulfonyl Groups on 1,5-Yne-Imines
Y Hoshimoto, C Nishimura, Y Sasaoka, R Kumar, S Ogoshi
Bulletin of the Chemical Society of Japan 93 (2), 182-186, 2020
72020
Direct Use of Phosphonium Salts for Alkylation of p-Quinols: Formal α-Arylation of Carbonyls via a 5-Membered Betaine-Type Intermediate
S Husen, P Jha, A Singh, R Kumar
Organic Letters 24 (38), 6925-6929, 2022
62022
One-pot C–C, C–N, and C–S bond construction for synthesis of 3-sulfenylindoles directly from unactivated anilines involving dual palladium catalysis and mechanistic insights …
SK Rastogi, R Singh, S Kumar, AK Mishra, MB Ahirwar, MM Deshmukh, ...
Organic & Biomolecular Chemistry 21 (4), 838-845, 2023
52023
The system can't perform the operation now. Try again later.
Articles 1–20