Highly enantioselective synthesis of chiral allenes by sequential creation of stereogenic center and chirality transfer in a single pot operation M Periasamy, N Sanjeevakumar, M Dalai, R Gurubrahamam, PO Reddy Organic letters 14 (12), 2932-2935, 2012 | 84 | 2012 |
Copper (I) halide promoted diastereoselective synthesis of chiral propargylamines and chiral allenes using 2-dialkylaminomethylpyrrolidine, aldehydes, and 1-alkynes R Gurubrahamam, M Periasamy The Journal of Organic Chemistry 78 (4), 1463-1470, 2013 | 56 | 2013 |
Recent advances in organocatalytic kinetic resolution for the synthesis of functionalized products R Gurubrahamam, YS Cheng, WY Huang, K Chen ChemCatChem 8 (1), 86-96, 2016 | 46 | 2016 |
Recent advances in the synthesis and chemistry of nitronates AA Tabolin, AY Sukhorukov, SL Ioffe, AD Dilman Synthesis 49 (15), 3255-3268, 2017 | 43 | 2017 |
Organocascade Synthesis of Annulated (Z)-2-Methylenepyrans: Nucleophilic Conjugate Addition of Hydroxycoumarins and Pyranone to Branched Nitro Enynes via … R Gurubrahamam, BF Gao, YM Chen, YT Chan, MK Tsai, K Chen Organic letters 18 (13), 3098-3101, 2016 | 40 | 2016 |
Enantioselective synthesis of functionalized polycarbocycles via a three-component organocascade quadruple reaction YP Chang, R Gurubrahamam, K Chen Organic letters 17 (12), 2908-2911, 2015 | 36 | 2015 |
Control of five contiguous stereogenic centers in an organocatalytic kinetic resolution via michael/acetalization sequence: Synthesis of fully substituted tetrahydropyranols R Gurubrahamam, YS Cheng, K Chen Organic letters 17 (3), 430-433, 2015 | 24 | 2015 |
Synthesis of phenols and aryl silyl ethers via arylation of complementary hydroxide surrogates M Reitti, R Gurubrahamam, M Walther, E Lindstedt, B Olofsson Organic letters 20 (7), 1785-1788, 2018 | 23 | 2018 |
Dihydrooxazine N-Oxide Intermediates as Resting States in Organocatalytic Kinetic Resolution of Functionalized Nitroallylic Amines with Aldehydes R Gurubrahamam, YM Chen, WY Huang, YT Chan, HK Chang, MK Tsai, ... Organic letters 18 (13), 3046-3049, 2016 | 21 | 2016 |
Organocatalytic kinetic resolution of racemic secondary nitroallylic alcohols combined with simultaneous desymmetrization of prochiral cyclic anhydrides S Roy, KF Chen, R Gurubrahamam, K Chen The Journal of Organic Chemistry 79 (19), 8955-8959, 2014 | 20 | 2014 |
Convenient methods for the synthesis of chiral amino alcohols and amines M Periasamy, P Vairaprakash, GP Muthukumaragopal, S Anwar, ... Chimia 67 (1-2), 23-23, 2013 | 20 | 2013 |
Organocatalytic synthesis of densely functionalized oxa-bridged 2, 6-epoxybenzo [b][1, 5] oxazocine heterocycles R Gurubrahamam, K Nagaraju, K Chen Chemical communications 54 (47), 6048-6051, 2018 | 18 | 2018 |
Rauhut–Currier‐Initiated Organocascade Reaction: Synthesis of Substituted Dispirocyclohexanes through a [2+ 2+ 2] Strategy Between 2‐Arylideneindan‐1, 3‐diones and Activated … YY Zhang, R Gurubrahamam, K Chen Advanced Synthesis & Catalysis 357 (11), 2457-2463, 2015 | 18 | 2015 |
Methods for the synthesis of chiral sulfur heterocycles and their application in the asymmetric Baylis–Hillman reactions M Periasamy, R Gurubrahamam, GP Muthukumaragopal Tetrahedron: Asymmetry 24 (9-10), 568-574, 2013 | 17 | 2013 |
Convenient Methods for Synthesis of C2-Symmetric Diphenyltetrahydrothiophenes M Periasamy, G Ramani, GP Muthukumaragopal Synthesis 2009 (10), 1739-1743, 2009 | 13 | 2009 |
Organocatalytic Diastereoselective Synthesis of Diazoaryl-benzo[b]azepine Derivatives K Nagaraju, R Gurubrahamam, K Chen The Journal of Organic Chemistry 85 (11), 7060-7067, 2020 | 12 | 2020 |
Enantioselective Aza‐Friedel‐Crafts Reaction of Heteroarenes with in situ Generated Isoxazolium Ions via Chiral Phosphoric Acid Catalysis YS Cheng, SH Chan, GA Rao, R Gurubrahamam, K Chen Advanced Synthesis & Catalysis 363 (14), 3502-3506, 2021 | 10 | 2021 |
Asymmetric organocatalysis of activated alkynes and enynes A Sharma, K Nagaraju, GA Rao, R Gurubrahamam, K Chen Asian Journal of Organic Chemistry 10 (7), 1567-1579, 2021 | 9 | 2021 |
An Unprecedented Organocascade Synthesis of Functionalized Bicyclic Nitrones from 2‐Aminomalonate Derived Nucleophiles and 1‐Nitro‐1, 3‐Enynes via Allenes Formation and … WY Huang, R Gurubrahamam, K Chen Advanced Synthesis & Catalysis 361 (1), 170-175, 2019 | 8 | 2019 |
Diastereoselective Synthesis of Functionalized Angularly‐Fused Tetracycles via an Organocatalytic Quadruple Reaction Sequence FJ Chang, R Gurubrahamam, K Chen Advanced Synthesis & Catalysis 359 (8), 1277-1282, 2017 | 7 | 2017 |