Items where Author is "Ramulu, B. Janaki"

Article

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

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

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

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

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

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

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 ; 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

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

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

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