Browse by Fellow

Koley, Suvajit ; Chanda, Tanmoy ; Ramulu, B. Janaki ; Chowdhury, Sushobhan ; Singh, Maya Shankar (2016) Acid-Controlled Chemodivergent Synthesis of Three Differently Substituted Quinolines via Site Selective Coupling of ortho- Aminoaryl Ketones with α-Enolic Dithioesters Advanced Synthesis & Catalysis, 358 (8). pp. 1195-1201. ISSN 1615-4150

Shukla, Gaurav ; Srivastava, Abhijeet ; Singh, Maya Shankar (2016) Metal- and Catalyst-Free, Formal [4 + 1] Annulation via Tandem C═O/C═S Functionalization: One-Pot Access to 3,5-Disubstituted/Annulated Isothiazoles Organic Letters, 18 (10). pp. 2451-2454. ISSN 1523-7060

Ramulu, B. Janaki ; Koley, Suvajit ; Singh, Maya Shankar (2016) Metal-free Brønsted acid mediated synthesis of fully substituted thiophenes via chemo- and regioselective intramolecular cyclization of α,α′-bis(β-oxodithioesters) at room temperature Organic and Biomolecular Chemistry, 14 (2). pp. 434-439. ISSN 1477-0520

Singh, Maya Shankar ; Chowdhury, Sushobhan ; Koley, Suvajit (2016) Progress in 1,3-dipolar cycloadditions in the recent decade: an update to strategic development towards the arsenal of organic synthesis Tetrahedron, 72 (13). pp. 1603-1644. ISSN 0040-4020

Nandi, Ganesh Chandra ; Singh, Maya Shankar (2016) p-TSA/Base-Promoted Propargylation/Cyclization of β-Ketothioamides for the Regioselective Synthesis of Highly Substituted (Hydro)thiophenes Journal of Organic Chemistry, 81 (14). pp. 5824-5836. ISSN 0022-3263

Nagaraju, Anugula ; Ramulu, B. Janaki ; Shukla, Gaurav ; Srivastava, Abhijeet ; Verma, Girijesh Kumar ; Raghuvanshi, Keshav ; Singh, Maya Shankar (2015) Catalyst-free one-pot four-component domino reactions in water–PEG-400: highly efficient and convergent approach to thiazoloquinoline scaffolds Green Chemistry, 17 (2). pp. 950-958. ISSN 1463-9262

Ramulu, B. Janaki ; Nagaraju, Anugula ; Chowdhury, Sushobhan ; Koley, Suvajit ; Singh, Maya Shankar (2015) Copper-catalyzed site-selective S–S and C–C homocoupling of α-enolic dithioesters: straightforward and efficient access to 1,2-dithiols Tetrahedron Letters, 56 (20). pp. 2593-2596. ISSN 0040-4039

Anand, Namrata ; Chanda, Tanmoy ; Koley, Suvajit ; Chowdhury, Sushobhan ; Singh, Maya Shankar (2015) CuSO4–d-glucose, an inexpensive and eco-efficient catalytic system: direct access to diverse quinolines through modified Friedländer approach involving SNAr/reduction/annulation cascade in one pot RSC Advances, 5 (10). pp. 7654-7660. ISSN 2046-2069

Chowdhury, Sushobhan ; Koley, Suvajit ; Chanda, Tanmoy ; Singh, Maya Shankar (2015) In/I2 mediated functional group transformation: a direct approach toward the selective conversion of dithioester to ester Tetrahedron Letters, 56 (41). pp. 5553-5556. ISSN 0040-4039

Shukla, Gaurav ; Srivastava, Abhijeet ; Nagaraju, Anugula ; Raghuvanshi, Keshav ; Singh, Maya Shankar (2015) Iodine-Mediated Copper-Catalyzed Efficientα-C(sp2)-Thiomethylation ofα-Oxoketene Dithioacetals with Dimethyl Sulfoxide in One Pot Advanced Synthesis & Catalysis, 357 (18). pp. 3969-3976. ISSN 1615-4150

Koley, Suvajit ; Chowdhury, Sushobhan ; Chanda, Tanmoy ; Janaki Ramulu, B. ; Samai, Subhasis ; Motisa, Lerato ; Singh, Maya Shankar (2015) Lewis acid mediated three-component one-flask regioselective synthesis of densely functionalized 4-amino-1,2-dihydropyridines via cascade Knoevenagel/Michael/cyclization sequence Tetrahedron, 71 (2). pp. 301-307. ISSN 0040-4020

Ramulu, B. Janaki ; Nagaraju, Anugula ; Chowdhury, Sushobhan ; Koley, Suvajit ; Singh, Maya Shankar (2015) Metal-Free Reagent Dependent SS and CC Homocoupling of α-Enolic Dithioesters at Room Temperature: Direct Access to Fully Substituted Symmetrical Thiophenes via Chemoselective Paal-Knorr Approach Advanced Synthesis & Catalysis, 357 (2-3). pp. 530-538. ISSN 1615-4150

Anand, Namrata ; Koley, Suvajit ; Ramulu, B. Janaki ; Singh, Maya Shankar (2015) Metal-free aerobic one-pot synthesis of substituted/annulated quinolines from alcohols via indirect Friedländer annulation Organic and Biomolecular Chemistry, 13 (37). pp. 9570-9574. ISSN 1477-0520

Chowdhury, Sushobhan ; Chanda, Tanmoy ; Koley, Suvajit ; Ramulu, B. Janaki ; Jones, Raymond C.F. ; Singh, Maya Shankar (2015) Organoindium mediated Csp3–S cross-coupling/migratory allenylation/thioannulation cascade: expedient synthesis of highly substituted thiophene frameworks Tetrahedron, 71 (12). pp. 1844-1850. ISSN 0040-4020

Muthyala, Ramaiah ; Nagaraju, Anugula ; Ramulu, B. Janaki ; Shukla, Gaurav ; Srivastava, Abhijeet ; Verma, Girijesh Kumar ; Singh, Maya Shankar (2015) Solvent-free one-pot efficient and highly regioselective access to functionalized thiazolopyridones from α-enolic dithioesters Arkivoc, 2016 (2). pp. 42-52. ISSN 1551-7012

Chanda, Tanmoy ; Chowdhury, Sushobhan ; Anand, Namrata ; Koley, Suvajit ; Gupta, Ashutosh ; Singh, Maya Shankar (2015) Synthesis of 3-hydroxyindanones via potassium salt of amino acid catalyzed regioselective intramolecular aldolization of ortho-diacylbenzenes Tetrahedron Letters, 56 (8). pp. 981-985. ISSN 0040-4039

Chanda, Tanmoy ; Chowdhury, Sushobhan ; Koley, Suvajit ; Anand, Namrata ; Singh, Maya Shankar (2015) Thionyl chloride mediated dehydroxylation of 3-hydroxyindanones to indenones Tetrahedron Letters, 56 (31). pp. 4603-4606. ISSN 0040-4039

Nagaraju, Anugula ; Janaki Ramulu, B. ; Shukla, Gaurav ; Srivastava, Abhijeet ; Verma, Girijesh Kumar ; Raghuvanshi, Keshav ; Singh, Maya Shankar (2015) A facile and highly convergent approach to thiazolo[3,2-a]pyridines via one-pot multicomponent domino reaction under metal-free and solvent-free conditions Tetrahedron, 71 (21). pp. 3422-3427. ISSN 0040-4020

Verma, Girijesh Kumar ; Shukla, Gaurav ; Nagaraju, Anugula ; Srivastava, Abhijeet ; Singh, Maya Shankar (2014) DMAP-promoted cascade C–S/C–N bonds formation approach to 1,3-thiazolidin-4-ones via annulation of β-ketothioamides with α-halocarboxylic acids at room temperature Tetrahedron, 70 (39). pp. 6980-6984. ISSN 0040-4020

Verma, Girijesh Kumar ; Shukla, Gaurav ; Nagaraju, Anugula ; Srivastava, Abhijeet ; Raghuvanshi, Keshav ; Singh, Maya Shankar (2014) DMAP-promoted domino annulation of β-ketothioamides with internal alkynes: a highly regioselective access to functionalized 1,3-thiazolidin-4-ones at room temperature RSC Advances, 4 (23). pp. 11640-11647. ISSN 2046-2069

Nagaraju, Anugula ; Shukla, Gaurav ; Srivastava, Abhijeet ; Ramulu, B. Janaki ; Verma, Girijesh Kumar ; Raghuvanshi, Keshav ; Singh, Maya Shankar (2014) Easy access to α-hydroxyimino-β-oxodithioesters and application towards the synthesis of diverse 1,4-thiazine-3-ones via reduction/annulation cascade Tetrahedron, 70 (23). pp. 3740-3746. ISSN 0040-4020

Srivastava, Abhijeet ; Shukla, Gaurav ; Nagaraju, Anugula ; Verma, Girijesh Kumar ; Raghuvanshi, Keshav ; Jones, Raymond C. F. ; Singh, Maya Shankar (2014) In(OTf)3-catalysed one-pot versatile pyrrole synthesis through domino annulation of α-oxoketene-N,S-acetals with nitroolefins Organic and Biomolecular Chemistry, 12 (29). pp. 5484-5491. ISSN 1477-0520

Verma, Girijesh Kumar ; Shukla, Gaurav ; Nagaraju, Anugula ; Srivastava, Abhijeet ; Singh, Maya Shankar (2014) In(OTf)3-mediated dehydrative annulation of β-ketothioamides with phenylglyoxal: one-pot access to diversely functionalized pyrrol-2-thiones Tetrahedron Letters, 55 (37). pp. 5182-5185. ISSN 0040-4039

Chowdhury, Sushobhan ; Chanda, Tanmoy ; Gupta, Ashutosh ; Koley, Suvajit ; Ramulu, B. Janaki ; Jones, Raymond C. F. ; Singh, Maya Shankar (2014) Indium(0)-Mediated C sp 3-S/O Cross-Coupling Approach Towards the Regioselective Alkylation of α-Enolic Esters/Dithioesters: A Mechanistic Insight European Journal of Organic Chemistry, 2014 (14). pp. 2964-2971. ISSN 1434-193X

Koley, Suvajit ; Chowdhury, Sushobhan ; Chanda, Tanmoy ; Ramulu, B. Janaki ; Nandi, Ganesh Chandra ; Singh, Maya Shankar (2014) Iron-Promoted Domino Annulation of α-Enolic Dithioesters with Ninhydrin under Solvent-Free Conditions: Chemoselective Direct Access to Indeno[1,2-b]thiophenes European Journal of Organic Chemistry, 2014 (25). pp. 5501-5508. ISSN 1434-193X

Chanda, Tanmoy ; Chowdhury, Sushobhan ; Koley, Suvajit ; Anand, Namrata ; Singh, Maya Shankar (2014) Lewis acid promoted construction of chromen-4-one and isoflavone scaffolds via regio- and chemoselective domino Friedel–Crafts acylation/Allan–Robinson reaction Organic and Biomolecular Chemistry, 12 (45). pp. 9216-9222. ISSN 1477-0520

Koley, Suvajit ; Chowdhury, Sushobhan ; Chanda, Tanmoy ; Ramulu, B. Janaki ; Anand, Namrata ; Singh, Maya Shankar (2014) Ligand- and Base-Free CuII-Mediated SelectiveS-Arylation of α-Enolic Dithioesters by Chan-Lam Coupling at Room Temperature European Journal of Organic Chemistry, 2015 (2). pp. 409-416. ISSN 1434-193X

Chowdhury, Sushobhan ; Chanda, Tanmoy ; Koley, Suvajit ; Anand, Namrata ; Singh, Maya Shankar (2014) Regioselective Synthesis of Dihydrothiophene and Thiopyran Frameworks via Catalyst-Controlled Intramolecular Cγ/Cδ–S Fusion of α-Allyl-β′-oxodithioesters Organic Letters, 16 (21). pp. 5536-5539. ISSN 1523-7060

Chowdhury, Sushobhan ; Chanda, Tanmoy ; Koley, Suvajit ; Ramulu, B. Janaki ; Raghuvanshi, Keshav ; Singh, Maya Shankar (2014) Regioselective dehydrative intramolecular heteroannulation of β-allyl-β-hydroxy dithioesters: facile and straightforward entry to 2H-thiopyrans Tetrahedron, 70 (4). pp. 914-918. ISSN 0040-4020

Chanda, Tanmoy ; Chowdhury, Sushobhan ; Ramulu, B. Janaki ; Koley, Suvajit ; Jones, Raymond C.F. ; Singh, Maya Shankar (2014) Regioselective quadruple domino aldolization/aldol condensation/Michael/SNAr-cyclization: construction of hexacyclic indeno-fused C-nor-D-homo-steroid frameworks Tetrahedron, 70 (12). pp. 2190-2194. ISSN 0040-4020

Nagaraju, Anugula ; Ramulu, B. Janaki ; Shukla, Gaurav ; Srivastava, Abhijeet ; Verma, Girijesh Kumar ; Raghuvanshi, Keshav ; Singh, Maya Shankar (2014) A facile and straightforward synthesis of 1,2,3-thiadiazoles from α-enolicdithioesters via nitrosation/reduction/diazotization/cyclization cascade in one-pot Tetrahedron Letters, 55 (15). pp. 2430-2433. ISSN 0040-4039

Singh, Maya Shankar ; Nagaraju, Anugula ; Anand, Namrata ; Chowdhury, Sushobhan (2014) ortho-Quinone methide (o-QM): a highly reactive, ephemeral and versatile intermediate in organic synthesis RSC Advances, 4 (99). pp. 55924-55959. ISSN 2046-2069

Verma, Girijesh Kumar ; Verma, Rajiv Kumar ; Singh, Maya Shankar (2013) Construction of five- and six-membered heterocycles on both Cp rings of the ferrocene moiety of α-oxoketene-S,S-acetal and β-oxodithioester via heteroaromatic annulation RSC Advances, 3 (1). pp. 245-252. ISSN 2046-2069

Shukla, Gaurav ; Verma, Girijesh Kumar ; Nagaraju, Anugula ; Verma, Rajiv Kumar ; Raghuvanshi, Keshav ; Singh, Maya Shankar (2013) DMAP mediated one-pot domino thienannulation: a versatile, regioselective and green mechanochemical route to naphtho[2,3-b]thiophenes RSC Advances, 3 (33). p. 13811. ISSN 2046-2069

Koley, Suvajit ; Chowdhury, Sushobhan ; Chanda, Tanmoy ; Ramulu, B. Janaki ; Singh, Maya Shankar (2013) Diversity oriented catalyst-free and solvent-free one-pot MCR at room temperature: rapid and regioselective convergent approach to highly functionalized dihydro-4H-thiopyrans Tetrahedron, 69 (37). pp. 8013-8018. ISSN 0040-4020

Singh, Maya Shankar ; Nagaraju, Anugula ; Verma, Girijesh Kumar ; Shukla, Gaurav ; Verma, Rajiv Kumar ; Srivastava, Abhijeet ; Raghuvanshi, Keshav (2013) Eco-efficient, regioselective and rapid access to 4,5-disubstituted 1,2,3-thiadiazoles via [3 + 2] cycloaddition of α-enolicdithioesters with tosyl azide under solvent-free conditions Green Chemistry, 15 (4). p. 954. ISSN 1463-9262

Samai, Subhasis ; Chanda, Tanmoy ; Ila, Hiriyakkanavar ; Singh, Maya Shankar (2013) One-Pot Three-Component Heteroannulation of β-Oxo Dithioesters, Amines and Hydroxylamine: Regioselective, Facile and Straightforward Entry to 5-Substituted 3-Aminoisoxazoles European Journal of Organic Chemistry, 2013 (19). pp. 4026-4031. ISSN 1434-193X

Verma, Girijesh Kumar ; Verma, Rajiv Kumar ; Shukla, Gaurav ; Anugula, Nagaraju ; Srivastava, Abhijeet ; Singh, Maya Shankar (2013) One-pot straightforward approach to 2,3-disubstituted benzo/naphtho[b]furans via domino annulation of α-oxoketene dithioacetals and 1,4-benzo/naphthoquinone mediated by AlCl3 at room temperature Tetrahedron, 69 (32). pp. 6612-6619. ISSN 0040-4020

Ramulu, B. Janaki ; Chanda, Tanmoy ; Chowdhury, Sushobhan ; Nandi, Ganesh C. ; Singh, Maya Shankar (2013) Organocatalyzed straightforward synthesis of highly fluorescent 3,5-disubstituted 2,6-dicyanoanilines via domino annulation of α-enolicdithioesters with malononitrile RSC Advances, 3 (16). p. 5345. ISSN 2046-2069

Singh, Maya Shankar ; Nandi, Ganesh Chandra ; Chanda, Tanmoy (2013) β-Oxodithioesters: a new frontier for diverse heterocyclic architectures RSC Advances, 3 (34). p. 14183. ISSN 2046-2069

Chowdhury, Sushobhan ; Chanda, Tanmoy ; Koley, Suvajit ; Ramulu, B. Janaki ; Jones, Raymond C. F. ; Singh, Maya Shankar (2013) Palladium Catalyzed Oxidative Coupling of α-Enolic Dithioesters: A New Entry to 3,4,5-Trisubstituted 1,2-Dithioles via a Double Activation Strategy Organic Letters, 15 (20). pp. 5386-5389. ISSN 1523-7060

Chowdhury, Sushobhan ; Chanda, Tanmoy ; Nandi, Ganesh Chandra ; Koley, Suvajit ; Janaki Ramulu, B. ; Pandey, S.K. ; Singh, Maya Shankar (2013) Y(OTf)3 catalyzed substitution dependent oxidative C(sp3)–C(sp3) cleavage and regioselective dehydration of β-allyl-β-hydroxydithioesters: alternate route to α,β-unsaturated ketones and functionalized dienes Tetrahedron, 69 (42). pp. 8899-8903. ISSN 0040-4020

Verma, Rajiv Kumar ; Verma, Girijesh Kumar ; Shukla, Gaurav ; Nagaraju, Anugula ; Singh, Maya Shankar (2012) 4-Dimethylamino Pyridine-Promoted One-Pot Three-Component Regioselective Synthesis of Highly Functionalized 4H-Thiopyrans via Heteroannulation of β-Oxodithioesters Journal of Combinatorial Science, 14 (3). pp. 224-230. ISSN 2156-8952

Singh, Maya Shankar ; Nandi, Ganesh Chandra ; Samai, Subhasis (2012) DABCO-Promoted three-component regioselective synthesis of functionalized chromen-5-ones and pyrano[3,2-c]chromen-5-ones via direct annulation of α-oxoketene-N,S-arylaminoacetals under solvent-free conditions Green Chemistry, 14 (2). p. 447. ISSN 1463-9262

Singh, M S ; Verma, R K ; Singh, Shweta ; Gupta, Ashutosh (2012) Efficient synthesis of 13- to 20-membered Schiff base macrocycles via non-template method Indian Journal of Chemistry - Section B: Organic and Medicinal Chemistry, 51B (6). pp. 866-870. ISSN 0376-4699

Singh, Maya ; Verma, Rajiv ; Singh, Shweta ; Gupta, Ashutosh (2012) Efficient synthesis of 13- to 20-membered Schiff base macrocycles via non-template method Indian Journal of Chemistry Section B, 51B . pp. 866-870.

Samai, Subhasis ; Nandi, Ganesh Chandra ; Singh, Maya Shankar (2012) Highly convergent one-pot four-component regioselective synthesis of 4H-benzo[f]chromenes via annulation of β-oxodithioesters Tetrahedron, 68 (4). pp. 1247-1252. ISSN 0040-4020

Verma, Rajiv Kumar ; Verma, Girijesh Kumar ; Shukla, Gaurav ; Singh, Maya Shankar (2012) InCl3 catalyzed domino route to 2H-chromene-2-ones via [4 + 2] annulation of 2-hydroxyarylaldehydes with α-oxoketene dithioacetal under solvent-free conditions RSC Advances, 2 (6). p. 2413. ISSN 2046-2069

Chanda, Tanmoy ; Verma, Rajiv Kumar ; Singh, Maya Shankar (2012) InCl3-Driven Regioselective Synthesis of Functionalized/Annulated Quinolines: Scope and Limitations Chemistry - An Asian Journal, 7 (4). pp. 778-787. ISSN 1861-4728

Verma, Rajiv Kumar ; Prajapati, Vijay Kumar ; Verma, Girijesh Kumar ; Chakraborty, Deblina ; Sundar, Shyam ; Rai, Madhukar ; Dubey, Vikash Kumar ; Singh, Maya Shankar (2012) Molecular Docking and in Vitro Antileishmanial Evaluation of Chromene-2-thione Analogues ACS Medicinal Chemistry Letters, 3 (3). pp. 243-247. ISSN 1948-5875

Shankar Singh, Maya (2012) Recent Advances in P2O5 Catalyzed Organic Synthesis Current Catalysis, 1 (3). pp. 155-163. ISSN 2211-5447

Singh, Maya Shankar ; Raghuvanshi, Keshav (2012) Recent advances in InCl3-catalyzed one-pot organic synthesis Tetrahedron, 68 (42). pp. 8683-8697. ISSN 0040-4020

Singh, Maya Shankar ; Chowdhury, Sushobhan (2012) Recent developments in solvent-free multicomponent reactions: a perfect synergy for eco-compatible organic synthesis RSC Advances, 2 (11). p. 4547. ISSN 2046-2069

Singh, Shweta ; Verma, Rajiv Kumar ; Raghuvanshi, Keshav ; Singh, Maya Shankar (2012) Synthesis of benzo fused dioxadiazasilamacrocycles via remote dianion cyclization Tetrahedron Letters, 53 (51). pp. 6889-6892. ISSN 0040-4039

Verma, Girijesh K. ; Raghuvanshi, Keshav ; Kumar, Ram ; Singh, Maya Shankar (2012) An efficient one-pot three-component synthesis of functionalized pyrimido[4,5-b]quinolines and indeno fused pyrido[2,3-d]pyrimidines in water Tetrahedron Letters, 53 (4). pp. 399-402. ISSN 0040-4039

Singh, Pallavi ; Verma, Rajiv K. ; Singh, Maya Shankar (2011) Efficient synthesis of naphthodiazacrown ethers Tetrahedron Letters, 52 (29). pp. 3818-3820. ISSN 0040-4039

Nandi, Ganesh C. ; Singh, Maya S. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2011) Highly Regioselective One-Pot, Three-Component Synthesis of 1-Aryl-3,4-Substituted/Annulated-5-(Cycloamino)/(Alkylamino)pyrazoles from β-Oxodithioesters European Journal of Organic Chemistry, 2012 (5). pp. 967-974. ISSN 1434-193X

Samai, Subhasis ; Nandi, Ganesh C. ; Singh, Pallavi ; Gupta, A. ; Singh, M. S. (2011) Microwave assisted synthesis, chemiluminescent and theoretical studies of bromoalkyl esters of acridine-9-carboxylic acid Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 50B . pp. 580-586. ISSN 0376-4710

Nandi, Ganesh Chandra ; Samai, Subhasis ; Singh, Maya Shankar (2011) One-Pot Two-Component [3 + 2] Cycloaddition/Annulation Protocol for the Synthesis of Highly Functionalized Thiophene Derivatives Journal of Organic Chemistry, 76 (19). pp. 8009-8014. ISSN 0022-3263

Chowdhury, Sushobhan ; Nandi, Ganesh Chandra ; Samai, Subhasis ; Singh, Maya Shankar (2011) Regioselective Synthesis of Tetrahydrothiochromen-5-ones via a One-Pot Three-Component Solvent-Free Domino Protocol Organic Letters, 13 (14). pp. 3762-3765. ISSN 1523-7060

Nandi, Ganesh Chandra ; Samai, Subhasis ; Kumar, Ram ; Singh, M. S. (2011) Silica-Gel–Catalyzed Efficient Synthesis of Quinoxaline Derivatives Under Solvent-Free Conditions Synthetic Communications, 41 (3). pp. 417-425. ISSN 0039-7911

Shukla, Gaurav ; Verma, Rajiv K. ; Verma, Girijesh K. ; Singh, Maya Shankar (2011) Solvent-free sonochemical one-pot three-component synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11-triones and 1H-pyrazolo[1,2-b]phthalazine-5,10-diones Tetrahedron Letters, 52 (52). pp. 7195-7198. ISSN 0040-4039

Verma, Girijesh K. ; Raghuvanshi, Keshav ; Verma, Rajiv K. ; Dwivedi, Pratibha ; Singh, M.S. (2011) An efficient one-pot solvent-free synthesis and photophysical properties of 9-aryl/alkyl-octahydroxanthene-1,8-diones Tetrahedron, 67 (20). pp. 3698-3704. ISSN 0040-4020

Verma, Rajiv Kumar ; Verma, Girijesh K. ; Raghuvanshi, Keshav ; Singh, Maya Shankar (2011) An expedient route to highly functionalized 2H-chromene-2-thiones via ring annulation of β-oxodithioesters catalyzed by InCl3 under solvent-free conditions Tetrahedron, 67 (3). pp. 584-589. ISSN 0040-4020

Samai, Subhasis ; Chandra Nandi, Ganesh ; Chowdhury, Sushobhan ; Singh, Maya Shankar (2011) l-Proline catalyzed synthesis of densely functionalized pyrido[2,3-d]pyrimidines via three-component one-pot domino Knoevenagel aza-Diels–Alder reaction Tetrahedron, 67 (33). pp. 5935-5941. ISSN 0040-4020

Kumar, Ram ; Raghuvanshi, Keshav ; Verma, Rajiv K. ; Singh, Maya S. (2010) Application of cyclic-1,3-diketones in domino and multicomponent reactions: facile route to highly functionalized chromeno[2,3-d]pyrimidinones and diazabenzo[b]fluorenones under solvent-free conditions Tetrahedron Letters, 51 (45). pp. 5933-5936. ISSN 0040-4039

Nandi, Ganesh Chandra ; Samai, Subhasis ; Singh, Maya Shankar (2010) Biginelli and Hantzsch-Type Reactions Leading to Highly Functionalized Dihydropyrimidinone, Thiocoumarin, and Pyridopyrimidinone Frameworks via Ring Annulation with β-Oxodithioesters Journal of Organic Chemistry, 75 (22). pp. 7785-7795. ISSN 0022-3263

Singh, M. S. ; Singh, Pratibha ; Gupta, Ashutosh (2010) ChemInform Abstract: Designing Hydroxy-Functionalized Chiral Salen Ligand (III) and Its Use in the Synthesis of Dioxadiazasilamacroheterocycles ChemInform, 41 (47). no-no. ISSN 0931-7597

Singh, M. S. ; Singh, A. K. (2010) ChemInform Abstract: Heterocyclization of Vicinal Dioximes to Seven Membered N, P and O Heterocycles. ChemInform, 32 (7). no-no. ISSN 0931-7597

Singh, M. S. ; Singh, B. K. ; Singh, A. K. (2010) A Facile Synthetic Approach to Cyclic Carbonates and Thiocarbonates via Dianion Cyclization. ChemInform, 33 (43). no-no. ISSN 0931-7597

Singh, M. ; Nandi, Ganesh ; Samai, Subhasis (2010) First InCl3-Catalyzed, Three-Component Coupling of Aldehydes, β-Naphthol, and 6-Amino-1,3-dimethyluracil to Functionalized Naphthopyranopyrimidines Synlett, 2010 (07). pp. 1133-1137. ISSN 0936-5214

Verma, Rajiv K. ; Ila, Hiriyakkanavar ; Singh, Maya Shankar (2010) Heteroaromatic annulation studies on 2-[bis(methylthio)methylene]-1,3-indanedione: efficient routes to indenofused heterocycles Tetrahedron, 66 (37). pp. 7389-7398. ISSN 0040-4020

Singh, Pallavi ; Tripathi, Rakesh ; Verma, Rajiv K. ; Nandi, Ganesh C. ; Gupta, Ashutosh ; Singh, Maya S. (2010) Synthesis of New Benzosubstituted Dioxaphosphonines Containing Quinoxaline Subunit Phosphorus, Sulfur, and Silicon and the Related Elements, 185 (10). pp. 2142-2151. ISSN 1042-6507

Samai, Subhasis ; Nandi, Ganesh Chandra ; Singh, M.S. (2010) An efficient and facile one-pot synthesis of propargylamines by three-component coupling of aldehydes, amines, and alkynes via C–H activation catalyzed by NiCl2 Tetrahedron Letters, 51 (42). pp. 5555-5558. ISSN 0040-4039

Kumar, Ram ; Nandi, Ganesh Chandra ; Verma, Rajiv Kumar ; Singh, M.S. (2010) A facile approach for the synthesis of 14-aryl- or alkyl-14H-dibenzo[a,j]xanthenes under solvent-free condition Tetrahedron Letters, 51 (2). pp. 442-445. ISSN 0040-4039

Nandi, Ganesh Chandra ; Samai, Subhasis ; Kumar, Ram ; Singh, M.S. (2009) Atom-efficient and environment-friendly multicomponent synthesis of amidoalkyl naphthols catalyzed by P2O5 Tetrahedron Letters, 50 (51). pp. 7220-7222. ISSN 0040-4039

Singh, Anil K. ; Tripathi, Rakesh ; Verma, Rajiv K. ; Singh, Maya S. (2009) Facile One-Pot Synthesis of Novel Tricyclic Dibenzoheterocycles via the Dianion Protocol of Ditopic Ligands Synthetic Communications, 39 (12). pp. 2116-2124. ISSN 0039-7911

Singh, M. S. ; Singh, Pratibha ; Singh, Pallavi ; Gupta, Ashutosh (2009) Facile one pot synthesis of dioxazadibenzocyclodecene-6-one, 6-thione and other homologues ARKIVOC - Free Journal of Organic Chemistry, 2009 (7). pp. 189-196. ISSN 1551-7012

Samai, Subhasis ; Chandra Nandi, Ganesh ; Kumar, Ram ; Singh, M.S. (2009) Multicomponent one-pot solvent-free synthesis of functionalized unsymmetrical dihydro-1H-indeno[1,2-b]pyridines Tetrahedron Letters, 50 (50). pp. 7096-7098. ISSN 0040-4039

Nandi, Ganesh Chandra ; Samai, Subhasis ; Kumar, Ram ; Singh, M.S. (2009) An efficient one-pot synthesis of tetrahydrobenzo[a]xanthene-11-one and diazabenzo[a]anthracene-9,11-dione derivatives under solvent free condition Tetrahedron, 65 (34). pp. 7129-7134. ISSN 0040-4020

Samai, Subhasis ; Nandi, Ganesh Chandra ; Singh, Pallavi ; Singh, M.S. (2009) l-Proline: an efficient catalyst for the one-pot synthesis of 2,4,5-trisubstituted and 1,2,4,5-tetrasubstituted imidazoles Tetrahedron, 65 (49). pp. 10155-10161. ISSN 0040-4020

Singh, M.S. ; Singh, Pratibha ; Singh, Pallavi (2008) ChemInform Abstract: New Tandem Reactions for the Construction of Heterocycles via Dianion Strategy. ChemInform, 39 (36). p. 767. ISSN 0931-7597

Singh, M. S. ; Singh, Pratibha ; Singh, Pallavi (2008) ChemInform Abstract: New Tandem Reactions for the Construction of Heterocycles via Dianion Strategy. ChemInform, 39 (36). ISSN 0931-7597

Singh, M. S. ; Singh, Pallavi ; Singh, Shweta (2008) ChemInform Abstract: Synthesis of Benzoxazole-2-ones, Benzothiazole-2-ones and Their 2-Thione Derivatives: Efficient Conversion of 2-Thione to 2-Oxo Derivatives. ChemInform, 39 (5). ISSN 0931-7597

Singh, M. S. ; Singh, Shweta (2008) The Dianion Cyclization Strategy for the Synthesis of Dibenzoheterocycles Phosphorus, Sulfur, and Silicon and the Related Elements, 183 (6). pp. 1510-1517. ISSN 1042-6507

Singh, Maya S. ; Singh, Pratibha (2008) Dianion cyclization strategy for the synthesis of macrosilaheterocycles Heteroatom Chemistry, 19 (5). pp. 455-460. ISSN 1042-7163

Singh, M. S. ; Singh, Pratibha (2008) Synthesis and Characterization of Dibenzodioxazasiladecines Synthetic Communications, 38 (5). pp. 775-783. ISSN 0039-7911

Singh, M. S. ; Singh, Pratibha (2007) Multicomponent Reactions (MCRs) Leading to Silaheterocycles via Dianion Cyclization Phosphorus, Sulfur, and Silicon and the Related Elements, 182 (4). pp. 835-843. ISSN 1042-6507

Singh, Maya ; Singh, Pratibha ; Raju, M. ; Singh, Abdhesh (2007) Remote dianions and their application in the synthesis of macroheterocycles Indian Journal of Chemistry - Section B: Organic and Medicinal Chemistry, 46 . pp. 694-697. ISSN 0376-4699

Singh, M. ; Singh, Pratibha ; Raju, M. D. ; Singh, A. (2007) Remote dianions and their application in the synthesis of macroheterocycles Indian Journal of Chemistry Section B-organic Chemistry Including Medicinal Chemistry, 46 . pp. 694-697.

Singh, M S ; Singh, Pallavi ; Singh, Shweta (2007) Synthesis of benzoxazole-2-ones, benzothiazole-2-ones and their 2-thione derivatives: Efficient conversion of 2-thione to 2-oxo derivatives Indian Journal of Chemistry - Section B: Organic and Medicinal Chemistry, 46b . pp. 1666-1671. ISSN 0376-4699

Glass, Richard S. ; Paschos, Athanasios ; Reissmann, Stephanie ; Singh, M. S. ; Wang, Haofan ; Böck, August (2005) Generation of the [NiFe] Hydrogenase Active Site (Sulfur's the One!) Phosphorus, Sulfur, and Silicon and the Related Elements, 180 (5-6). pp. 1183-1185. ISSN 1042-6507

Singh, M. S. ; Singh, A. K. ; Singh, Pratibha ; Jain, Ruchi (2005) AN IMPROVED AND FACILE SYNTHESIS OF SCHIFF BASES IN AQUEOUS MEDIUM Organic Preparations and Procedures International, 37 (2). pp. 173-177. ISSN 0030-4948

Krapcho, Paul ; Glass, Richard S. ; Singh, Maya S. (2005) Reaction of (µ-S)2Fe2(CO)6 dianion with 1,2-vinyl and aryl diiodides Arkivoc, 2005 (6). pp. 185-190. ISSN 1551-7012

Glass, Richard S. ; Gruhn, Nadine E. ; Lorance, Edward ; Singh, Maya S. ; Stessman, Nhu Y T. ; Zakai, Uzma I. (2005) Synthesis, Gas-Phase Photoelectron Spectroscopic, and Theoretical Studies of Stannylated Dinuclear Iron Dithiolates Inorganic Chemistry, 44 (16). pp. 5728-5737. ISSN 0020-1669

Singh, M.S. ; Singh, A.K. (2005) A novel one-pot procedure for the synthesis of stable dioxadiazastannepines and dioxadiazasilepines Tetrahedron Letters, 46 (2). pp. 315-317. ISSN 0040-4039

Singh, M. S. ; Singh, A. K. (2004) Synthesis of Novel Heterocycles from Benzoin-α-oxime by Reaction with Electrophile­s Synthesis (6). pp. 837-839. ISSN 0039-7881

Singh, M. S. ; Singh, P. K. (2003) Hexa‐coordinate Silicon Complexes: Synthesis and Characterization Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 33 (2). pp. 271-280. ISSN 0094-5714

Singh, M. S. ; Singh, P. K. (2003) Highly Versatile Synthesis of Some Organotin(IV) Complexes of 2‐Hydroxyacetophenone Semicarbazone and Thiosemicarbazone Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 33 (10). pp. 1895-1909. ISSN 0094-5714

Singh, M. S. ; Sharma, T. C. ; Singh, P. K. (2002) HEXACOORDINATE ORGANOSILICON(IV) COMPOUNDS WITH A TETRADENTATE AZOMETHINE LIGAND Synthetic Communications, 32 (24). pp. 3733-3741. ISSN 0039-7911

Singh, M.S. ; Singh, A.K. ; Tawade, Kiran (2002) N-BENZOIN-o-MERCAPTOANILINE AS AN EFFICIENT SYNTHON FOR ORGANOTIN(IV) COMPOUNDS Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 32 (4). pp. 639-648. ISSN 0094-5714

Singh, M. S. ; Narayan, Prem (2001) COMPLEXES OF TITANIUM TETRACHLORIDE WITH BENZILMONOXIME AND BENZILDIOXIME Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 31 (1). pp. 149-156. ISSN 0094-5714

Singh, M. S. ; Tawade, K. (2001) SYNTHESIS AND CHARACTERIZATION OF SOME ORGANOTIN(IV) COMPLEXES OF α-BENZOIN OXIME Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 31 (1). pp. 157-165. ISSN 0094-5714

Singh, Maya ; Singh, B.K. ; Tawade, K. (2001) Synthesis and characterization of some new tin(IV) derivatives of NO and N2O2 chelating schiff bases Indian Journal of Chemistry - Section A Inorganic, Physical, Theoretical and Analytical Chemistry, 40 . pp. 1295-1301.

Singh, Maya Shankar ; Pandey, Ganesh (2000) A Convenient Synthetic Entry Into 2,2-Diorganyl-5,6-Diaryl-1,3,4,2-Dioxaza Silacyclohexene Derivatives VIA Dianion Cyclisation: Sequential One-Pot Cyclosylation Synthetic Communications, 30 (19). pp. 3589-3594. ISSN 0039-7911

Singh, Maya Shankar ; Singh, Ashwani Kumar (2000) Dioximes as Synthons for Medium Ring Heterocyclic Compounds Heterocycles, 53 (4). p. 851. ISSN 0385-5414

Singh, M. S. ; Singh, A. K. (2000) Efficient and Convenient One-Pot Synthesis of Dioxadiazaphophepines Synthetic Communications, 30 (1). pp. 53-61. ISSN 0039-7911

Singh, M. S. ; Tawade, K. (2000) Synthesis and Characterization of Some New Organotin(Iv) Complexes of a Schiff Base Derived from Salicylaldehyde and Hydrazine Hydrate Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 30 (6). pp. 1015-1022. ISSN 0094-5714

Singh, M. S. ; Narayan, Prem (2000) Synthesis and Spectroscopic Studies of Some Titanium(Iv) Complexes of N,N″-Ethylenebis(Salicylideneimine) Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 30 (6). pp. 1007-1013. ISSN 0094-5714

Singh, M.S. ; Singh, P.K. (2000) A new class of organosilicon(IV) compounds based upon tetradentate (N₂O₂) chelating ligand Main Group Metal Chemistry, 23 (3). pp. 183-188. ISSN 0792-1241

Singh, M. S. ; Raju, M. David ; Singh, P. K. ; Tiwari, S K. (1999) Coordination Behaviour of Benzilmonoxime and Benzii.Dioxime Towards Organotin(IV): Synthesis and Characterization Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 29 (10). pp. 1711-1721. ISSN 0094-5714

Singh, M. S. ; Raju, M. D. ; Singh, A. K. ; Narayan, P. (1999) Some Complexes of Organotin(1V) Chldrlde with Salicylaldehyde Thiosemicarbazone Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 29 (1). pp. 73-85. ISSN 0094-5714

Singh, M. S. ; Rao, K. Prasada (1999) Synthesis and Characterisation of Mixed N-(Salicylidene)-o-Wiercaptoaniline Alkyldithiocarbonate Derivatives of Antimony(III) Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 29 (4). pp. 541-551. ISSN 0094-5714

Singh, M. ; Tawade, K. ; Singh, A. K. (1999) Synthesis and characterisation of four and five coordinate Tin(IV) salophenates Main Group Metal Chemistry, 22 . 175 - 178. ISSN 0792-1241

Tripathi, Umesh ; Singh, Maya (1999) Synthesis of O,O'-alkylenedithiophosphato complexes of cobalt Journal of the Indian Chemical Society, 76 (7). pp. 360-361. ISSN 0019-4522

Singh, M. S. ; Narayan, Prem ; Singh, A. K. (1999) TITANIUM(IV) COMPLEXES OF CHELATING 2-(SALICYLIDENEAMINO) BENZENETHIOL Phosphorus, Sulfur, and Silicon and the Related Elements, 155 (1). pp. 245-252. ISSN 1042-6507

Singh, M. S. ; Rao, K. Prasada (1998) ANTIMONY(III) COMPLEXES OF 2-(N-SALICYLIDENE)-5-CHLOROBENZOPHENONE: SYNTHESIS, SPECTROSCOPIC STUDIES AND REACTIVITY WITH RESPECT TO SULFUR DONOR LIGANDS Main Group Metal Chemistry, 21 (1). pp. 1-8. ISSN 0792-1241

Singh, M. S. ; Raju, M. David ; Singh, A. K. ; Tiwari, S. K. (1998) NITROGEN AND SULFUR BONDED ORGANOSILICON(IV) COMPLEXES: SYNTHETIC AND SPECTROSCOPIC ASPECTS Main Group Metal Chemistry, 21 (10). ISSN 0792-1241

Singh, M.S. ; Prasada Rao, K. ; Chauhan, H.P.S. (1998) Synthesis and Spectroscopic Studies of Mixed N-(Salicylidene)-O-Mercaptoaniline Dialkyldithiophosphato Derivatives of Antimony(III) Phosphorus, Sulfur, and Silicon and the Related Elements, 134 (1). pp. 87-97. ISSN 1042-6507

Singh, Maya Shankar (1998) Synthesis and characterisation of organotin(IV) derivatives of benzilmonohydrazone Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 37A . pp. 911-914. ISSN 0376-4710

K Prasada, Rao ; K R, Choudhary ; M S, Singh ; R J, Rao (1998) Synthesis and spectroscopic studies of mixed β- ketoimine- N-acetate dialkyldithiophosphato derivatives of antimony(III) Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 37A . pp. 80-82. ISSN 0376-4710

Singh, M. S. ; Raju, M. D. ; Tawade, K. ; Singh, A. K. (1998) Synthesis and spectroscopic study of some organotin(IV) derivatives of benzilmonosemicarbazone Main Group Metal Chemistry, 21 . pp. 489-493. ISSN 0792-1241

Nahar, B. ; Chourasia, S. ; Chauhan, H. ; Rao, R. ; Singh, M. S. (1997) SYNTHESIS AND CHARACTERISATION OF ANTIMONY(III)BIS(DIISOPROPYLDITHIOPHOSPHATE)ALKYLXANTHATES Journal of the Indian Chemical Society, 74 . pp. 711-712. ISSN 0019-4522

Singh, Maya Shankar ; Rao, K. Prasada (1997) SYNTHESIS AND CHARACTERISATION OF SOME ANTIMONY(III) DERIVATIVES OF THE SCHIFF BASE DERIVED FROM SALICYLALDEHYDE AND 2-AMINOTHIOPHENOL Main Group Metal Chemistry, 20 (10). ISSN 0792-1241

Singh, M. S. ; Khan, Shakeela ; Tripathi, U. N. (1997) SYNTHESIS AND CHARACTERISATION OF TITANIUM(IV) COMPLEXES OF BENZILMONOTHIOSEMICARBAZONE Phosphorus, Sulfur, and Silicon and the Related Elements, 130 (1). pp. 107-113. ISSN 1042-6507

Raju, M. David ; Tripathi, U. N. ; Singh, M. S. (1997) SYNTHESIS AND CHARACTERIZATION OF SOME ORGANOTIN(IV) DERIVATIVES OF 2-(N-SALICYLIDENE)-5-CHLOROBENZOPHENONE Main Group Metal Chemistry, 20 (8). ISSN 0792-1241

Singh, M. S. ; Tripathi, U. N. ; Raju, M. David (1997) SYNTHESIS AND SPECTROSCOPIC STUDIES OF 2-(N-SALICYLIDENE)-5-CHLOROBENZOPHENONE DERIVATIVES OF ORGANOSILICON(IV) Phosphorus, Sulfur, and Silicon and the Related Elements, 130 (1). pp. 147-153. ISSN 1042-6507

Singh, M. S. ; Prasad Rao, K. (1997) Synthesis and Characterisation of Benziloximato Complexes of Antimony(III)a Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 27 (10). pp. 1509-1515. ISSN 0094-5714

Tripathi, U. N. ; Chaturvedi, A. ; Singh, M. S. ; Rao, R. J. (1997) TETRAPHENYL PHOSPHONIUM AND ARSONIUM SALTS OF ALKYLENE DITHIOPHOSPHATO MOIETIES Phosphorus, Sulfur, and Silicon and the Related Elements, 122 (1). pp. 167-171. ISSN 1042-6507

Singh, M. S. (1997) TRIMETHYLSILICON(IV) DERIVATIVES OF ANILIC ACIDS Phosphorus, Sulfur, and Silicon and the Related Elements, 130 (1). pp. 53-57. ISSN 1042-6507

Singh, M. S. (1995) NOVEL AND EFFICIENT ONE-POT SYNTHESIS OF PHOSPHORUS HETEROCYCLES CONTAINING THE BICYCLO [2.2.1] HEPTENE MOIETY Phosphorus, Sulfur, and Silicon and the Related Elements, 106 (1-4). pp. 187-191. ISSN 1042-6507

Singh, M. S. ; Rao, R. J. (1992) A CONVENIENT AND NOVEL ONE-POT SYNTHESIS OF 3-OXO-P-1,5,3-DIAZAPHOSPHEPINES AND 3- THIOXO-P-1,5,3-DIAZAPHOSPHEPINES Phosphorus, Sulfur, and Silicon and the Related Elements, 68 (1-4). pp. 115-118. ISSN 1042-6507

Singh, M. S. ; Mishra, G. ; Mehrotra, K. N. (1991) NOVEL AND CONVENIENT ONE-POT SYNTHESIS OF FUSED RING HETEROCYCLES FROM 1,2-DIKETONES AND PHOSPHORODICHLORIDATE AND PHOSPHOROTHIODICHLORIDATE Phosphorus, Sulfur, and Silicon and the Related Elements, 63 (1-2). pp. 177-180. ISSN 1042-6507

Singh, Maya Shanker ; Mehrotra, Kailash Nath (1988) Novel and Convenient Synthesis of Dioxaphospholes Bulletin of the Chemical Society of Japan, 61 (5). pp. 1795-1796. ISSN 0009-2673

Singh, M S ; Tawade, K Preparation and characterization of some organotin(IV) complexes of benzilmonoxime thiosemicarbazone as ligand Indian Journal of Chemistry - Section B: Organic and Medicinal Chemistry, 41B . pp. 419-422. ISSN 0376-4699

Singh, M S ; Narayan, Prem Some mononuclear titanium(IV) complexes of salicylidene anthranilic acid and o-vanillinoxime Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 40A . pp. 633-637. ISSN 0376-4710

Singh, M S ; Bhagwat, V W ; Raju, M David ; Tiwari, S K Synthesis and characterization of hypervalent organosilicon compounds Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 38A . pp. 716-719. ISSN 0376-4710

Singh, M S ; Singh, B K ; Tawade, K Synthesis and characterization of some new tin(IV) derivatives of NO and N2O2 chelating Schiff bases Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 40A . pp. 1295-1301. ISSN 0376-4710