Palladium-catalyzed one-pot Suzuki–Miyaura cross coupling followed by oxidative lactonization: a novel and efficient route for the one-pot synthesis of benzo [c] chromene-6-ones R Singha, S Roy, S Nandi, P Ray, JK Ray
Tetrahedron Letters 54 (7), 657-660, 2013
55 2013 KO t Bu mediated efficient approach for the synthesis of fused heterocycles via intramolecular O-/N-arylations R Singha, A Ahmed, Y Nuree, M Ghosh, JK Ray
RSC Advances 5 (62), 50174-50177, 2015
34 2015 Palladium-catalyzed expedient Heck annulations in 1-bromo-1, 5-dien-3-ols: Exceptional formation of fused bicycles JK Ray, R Singha, D Ray, P Ray, DY Rao, A Anoop
Tetrahedron Letters 60 (13), 931-935, 2019
26 2019 One-pot synthesis of isoquinoline and related compounds via Cu-mediated tandem cross-coupling and cyclization S Dhara, R Singha, Y Nuree, JK Ray
Tetrahedron Letters 55 (4), 795-798, 2014
26 2014 Pd-catalyzed intramolecular sequential Heck cyclization and oxidation reactions: a facile pathway for the synthesis of substituted cycloheptenone evaluated using computational … JK Ray, S Paul, P Ray, R Singha, DY Rao, S Nandi, A Anoop
New Journal of Chemistry 41 (1), 278-284, 2017
25 2017 Synthesis of α, β and γ-Carbolines via Pd-Mediated C sp2-H/N–H Activation S Dhara, R Singha, A Ahmed, H Mandal, M Ghosh, Y Nuree, JK Ray
RSC Advances 4 (85), 45163-45167, 2014
22 2014 In vitro propagation of some threatened plant species of India CR Deb, GR Rout, AA Mao, SK Nandi, RKN Singha, D Vijayan, T Langhu, ...
Current Science, 567-575, 2018
20 2018 In vitro propagation of Rhododendron wattii Cowan—a critically endangered and endemic plant from IndiaAA Mao, D Vijayan, RK Nilasana Singha, S Pradhan
In Vitro Cellular & Developmental Biology-Plant 54, 45-53, 2018
20 2018 Ligand-free copper powder-catalyzed and KOtBu-accelerated expeditious synthesis of substituted benzoxazoles A Ahmed, R Singha, JK Ray
Tetrahedron letters 56 (17), 2167-2171, 2015
19 2015 Domino Suzuki coupling and condensation reaction: an efficient strategy towards synthesis of phenanthridines M Ghosh, A Ahmed, R Singha, JK Ray
Tetrahedron letters 56 (2), 353-355, 2015
19 2015 A modular approach toward the synthesis of 2, 4-disubstituted pyridines R Singha, S Dhara, JK Ray
Tetrahedron Letters 54 (36), 4841-4843, 2013
19 2013 Visible colourimetric and ratiometric fluorescent chemosensors for Cu (II) and Ni (II) ions S Brahma, P Ray, R Singha, JK Ray
Asian Journal of Chemistry 28 (5), 1035, 2016
18 2016 Copper catalyzed room temperature lactonization of aromatic C–H bond: a novel and efficient approach for the synthesis of dibenzopyranones R Singha, S Dhara, M Ghosh, JK Ray
RSC advances 5 (12), 8801-8805, 2015
18 2015 Pd-free Sonogashira coupling: one pot synthesis of phthalide via domino Sonogashira coupling and 5-exo-dig cyclization S Dhara, R Singha, M Ghosh, A Ahmed, Y Nuree, A Das, JK Ray
RSC Advances 4 (80), 42604-42607, 2014
17 2014 Bromine-mediated cyclization of 1, 4-diaryl buta-1, 3-diyne to 1, 2, 3-tribromo-4-aryl naphthalene R Singha, S Nandi, JK Ray
Tetrahedron Letters 53 (48), 6531-6534, 2012
17 2012 Selective acetylation of primary alcohols by ethyl acetate R Singha, JK Ray
Tetrahedron Letters 57 (48), 5395-5398, 2016
16 2016 Synthesis of pentalongin and C (1)-and C (3)-substituted pentalongin using intramolecular Heck reaction S Nandi, R Singha, S Samanta, JK Ray
Tetrahedron Letters 53 (21), 2659-2661, 2012
15 2012 Electrophilic activation of carboxylic anhydrides for nucleophilic acylation reactions V Kumar, A Rana, CL Meena, N Sharma, Y Kumar, D Mahajan
Synthesis 50 (19), 3902-3910, 2018
14 2018 Transition metal free synthesis of 2, 4, 6-trisubstituted pyrimidines via Cope-type hydroamination of 1, 4-diarylbuta-1, 3-diynes R Singha, JK Ray
RSC advances 4 (83), 44052-44055, 2014
14 2014 Tuning the scattering mechanism in the three-dimensional Dirac semimetal A Pariari, N Khan, R Singha, B Satpati, P Mandal
Physical Review B 94 (16), 165139, 2016
13 2016