Items where Author is "Ramkumar, Venkatachalam"

Article

Gomosta, Suman ; Kar, Sourav ; Pradhan, Alaka Nanda ; Bairagi, Subhash ; Ramkumar, Venkatachalam ; Ghosh, Sundargopal (2021) Synthesis, Structures, and Bonding of Metal-Rich Metallaboranes Comprising Triply Bridging Borylene and Boride Moieties Organometallics, 40 (4). pp. 529-538. ISSN 0276-7333

Somasundaram, Muthuramalingam ; Garg, Jai Anand ; Naidu, Shivaji ; Ramkumar, Venkatachalam ; Saiganesh, Ramanathan ; Kabilan, Senthamaraikannan ; Balasubramanian, Kalpattu Kuppuswamy (2019) Halogen-Exchange Fluorination of β-Chlorovinyl Aldehydes - Unexpected Cascade Transformations in the Fluorination of 4-Chloro-2H -chromene and 4-Chloro-2H -thiochromene-3-carbaldehydes European Journal of Organic Chemistry, 2019 (36). pp. 6269-6277. ISSN 1434-193X

Chowdhury, Monojit Ghosal ; Barik, Subrat Kumar ; Saha, Koushik ; Kirubakaran, Bakthavachalam ; Banerjee, Abhishek ; Ramkumar, Venkatachalam ; Ghosh, Sundargopal (2018) Electron Precise Group 5 Dimetallaheteroboranes [{CpV(μ-EPh)}2{μ-η2:η2-BH3E}] and [{CpNb(μ-EPh)}2{μ-η2:η2-B2H4E}] (E = S or Se) Inorganic Chemistry, 57 (3). pp. 985-994. ISSN 0020-1669

Bhattacharyya, Moulika ; Yuvaraj, Kuppusamy ; Chanda, Alokananda ; Ramkumar, Venkatachalam ; Ghosh, Sundargopal (2018) Metal-Rich Metallaboranes: Structures and Geometries of Heterometallic µ9 -Boride Clusters European Journal of Inorganic Chemistry, 2018 (22). pp. 2574-2583. ISSN 1434-1948

Sankararaman, Sethuraman ; Ramkumar, Venkatachalam ; Chandrasekhar, Attoor (2018) Palladium catalyzed carbonylative annulation of C(sp2)-H bond of N,1-diaryl-1H-tetrazol-5-amines and N,4-diaryl-4H-triazol-3-amines to quinazolinones. Organic & Biomolecular Chemistry, 16 . ISSN 1477-0520

Shaik, Jeelani Basha ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2018) Synthesis of a new class of cationic Pd(II) complexes with 1,2,3-triazol-5-ylidene ligand and their catalytic application in the conversion of internal alkynes to 1,2-diketones Journal of Organometallic Chemistry, 860 . pp. 1-8. ISSN 0022-328X

Chandrasekhar, Attoor ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2016) Highly Selective and Modular Synthesis of 3-Aryl-4-(arylethynyl)-2H-chromen-2-ones from 2-Iodoaryl 2-Arylacetates through a Carbonylative Sonogashira Coupling-Intramolecular Aldol Cascade Reaction European Journal of Organic Chemistry, 2016 (23). pp. 4041-4049. ISSN 1434-193X

Roymuhury, Sagnik K. ; Chakraborty, Debashis ; Ramkumar, Venkatachalam (2015) Aluminium complexes bearing N,O-aminophenol ligands as efficient catalysts for the ring opening polymerization of lactide European Polymer Journal, 70 . pp. 203-214. ISSN 0014-3057

Behera, Harekrushna ; Ramkumar, Venkatachalam ; Madhavan, Nandita (2015) Cation-Transporting Peptides: Scaffolds for Functionalized Pores? Chemistry - A European Journal, 21 (28). pp. 10179-10184. ISSN 0947-6539

Rajashekhar, Bijja ; Roymuhury, Sagnik K. ; Chakraborty, Debashis ; Ramkumar, Venkatachalam (2015) Group 4 metal complexes of Trost's semi-crown ligand: synthesis, structural characterization and studies on the ring-opening polymerization of lactides and ε-caprolactone Dalton Transactions, 44 (37). pp. 16280-16293. ISSN 1477-9226

Roymuhury, Sagnik K. ; Chakraborty, Debashis ; Ramkumar, Venkatachalam (2015) Synthesis and characterization of group 4 metal alkoxide complexes containing imine based bis-bidentate ligands: effective catalysts for the ring opening polymerization of lactides, epoxides and polymerization of ethylene Dalton Transactions, 44 (22). pp. 10352-10367. ISSN 1477-9226

Mohan, Arumugam ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2015) Synthesis and structures of (−) menthyl and (+) neomenthyl substituted enantio pure bis(1,2,3-triazol-5-ylidene)PdI 2 complexes and PEPPSI type (1,2,3-triazol-5-ylidene) (pyridine)PdI 2 complexes. Comparison of catalytic activities for C–C coupling Journal of Organometallic Chemistry, 799-80 . pp. 115-121. ISSN 0022-328X

Sureshbabu, Bemineni ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2015) A mild and efficient method for the synthesis of structurally diverse 1,2,3-triazolylidene palladium(II) diiodo complexes. Comparison of catalytic activities for Suzuki–Miyaura coupling Journal of Organometallic Chemistry, 799-80 . pp. 232-238. ISSN 0022-328X

Chakraborty, Debashis ; Mandal, Dipa ; Ramkumar, Venkatachalam ; Subramanian, V. ; Vijaya Sundar, J. (2015) A new class of MPV type reduction in group 4 alkoxide complexes of salicylaldiminato ligands: Efficient catalysts for the ROP of lactides, epoxides and polymerization of ethylene Polymer, 56 . pp. 157-170. ISSN 0032-3861

Guchhait, Sandip ; Ghosh, Keshab ; Sureshbabu, Bemineni ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2014) C2-Symmetric normal and mesoionic bis-N-heterocyclic carbenes with biphenyl backbone. A comparison of bis(1,2,3-triazol-5-ylidene) and bis(imidazol-2-ylidene) ligands Journal of Organometallic Chemistry, 768 . pp. 68-74. ISSN 0022-328X

Guchhait, Sandip ; Ghosh, Keshab ; Sureshbabu, Bemineni ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2014) C2-Symmetric normal and mesoionic bis-N-heterocyclic carbenes with biphenyl backbone. A comparison of bis(1,2,3-triazol-5-ylidene) and bis(imidazol-2-ylidene) ligands Journal of Organometallic Chemistry, 768 . pp. 68-74. ISSN 0022-328X

Mathiselvam, Manoharan ; Ramkumar, Venkatachalam ; Loganathan, Duraikkannu ; Pérez, Serge (2014) Effect of distal sugars and interglycosidic linkage on the N-glycoprotein linkage region conformation: synthesis and X-Ray crystallographic investigation of β-1-N-alkanamide derivatives of cellobiose and maltose as disaccharide analogs of the conserved chitobiosylasparagine linkage Glycoconjugate Journal, 31 (1). pp. 71-87. ISSN 0282-0080

Ramachandran, Rangasamy ; Prakash, Govindan ; Selvamurugan, Sellappan ; Viswanathamurthi, Periasamy ; Malecki, Jan Grzegorz ; Ramkumar, Venkatachalam (2014) Efficient and versatile catalysis of N-alkylation of heterocyclic amines with alcohols and one-pot synthesis of 2-aryl substituted benzazoles with newly designed ruthenium(ii) complexes of PNS thiosemicarbazones Dalton Transactions, 43 (21). pp. 7889-7902. ISSN 1477-9226

Sureshbabu, Bemineni ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2014) Facile base-free in situ generation and palladation of mesoionic and normal N-heterocyclic carbenes at ambient conditions Dalton Transactions, 43 (28). pp. 10710-10712. ISSN 1477-9226

Sureshbabu, Bemineni ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2014) Facile base-free in situ generation and palladation of mesoionic and normal N-heterocyclic carbenes at ambient conditions Dalton Transactions, 43 (28). pp. 10710-10712. ISSN 1477-9226

Bandi, Sreenivasulu ; Debata, Niladri Bihari ; Ramkumar, Venkatachalam ; Chand, Dillip Kumar (2014) One-pot synthesis of self-assembled heteroleptic palladium(II) complexes with tmeda: An application of ligand exchange reactions Inorganic Chemistry Communications, 39 . pp. 75-78. ISSN 1387-7003

Tripathy, Debakanta ; Sahoo, Himansu S. ; Ramkumar, Venkatachalam ; Chand, Dillip Kumar (2014) Palladium(ii) induced complete conformational enrichment of the syn isomer of N,N′-bis(4-pyridylformyl)piperazine RSC Advances, 4 (36). p. 18595. ISSN 2046-2069

Gopinath, Pushparathinam ; Ramkumar, Venkatachalam ; Muraleedharan, Kannoth Manheri (2014) Peptide turns through just ‘one atom’! A sulfamide group nucleates folding and stabilizes new supramolecular topologies in short peptides CrystEngComm, 16 (45). pp. 10371-10375. ISSN 1466-8033

Bhyrappa, Puttaiah ; Sarangi, Ujwal K. ; Velkannan, Veerapandian ; Ramkumar, Venkatachalam (2014) β‐Tetrasubstituted meso ‐Tetra(4′‐ n ‐butylphenyl)porphyrins and Their Metal Complexes: Synthesis and Structural Properties European Journal of Inorganic Chemistry, 2014 (33). pp. 5760-5770. ISSN 1434-1948

Chakravarthy, Rajan Deepan ; Ramkumar, Venkatachalam ; Chand, Dillip Kumar (2014) A molybdenum based metallomicellar catalyst for controlled and selective sulfoxidation reactions in aqueous medium Green Chemistry, 16 (4). p. 2190. ISSN 1463-9262

Pati, Anita ; Athilakshmi, Jeyaraman ; Ramkumar, Venkatachalam ; Chand, Dillip Kumar (2014) A two-dimensional polydodecameric water–chloride cluster enfolding (Hg–Cl–Hg)+concealed cascade cryptate CrystEngComm, 16 (30). p. 6827. ISSN 1466-8033

Saravanakumar, Rajendran ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2013) Synthesis and structural characterization of cis isomer of 1,2,3-triazol-5-ylidene based palladium complexes Journal of Organometallic Chemistry, 736 . pp. 36-41. ISSN 0022-328X

Pappuru, Sreenath ; Chokkapu, Eswara Rao ; Chakraborty, Debashis ; Ramkumar, Venkatachalam (2013) Group iv complexes containing the benzotriazole phenoxide ligand as catalysts for the ring-opening polymerization of lactides, epoxides and as precatalysts for the polymerization of ethylene Dalton Transactions, 42 (46). p. 16412. ISSN 1477-9226

Saha, Tanmoy Kumar ; Mandal, Mrinmay ; Chakraborty, Debashis ; Ramkumar, Venkatachalam (2013) Imino phenoxide complexes of group 4 metals: synthesis, structural characterization and polymerization studies New Journal of Chemistry, 37 (4). p. 949. ISSN 1144-0546

Saha, Tanmoy Kumar ; Mandal, Mrinmay ; Thunga, Madhubabu ; Chakraborty, Debashis ; Ramkumar, Venkatachalam (2013) Imino phenoxide complexes of niobium and tantalum as catalysts for the polymerization of lactides, ε-caprolactone and ethylene Dalton Transactions, 42 (28). p. 10304. ISSN 1477-9226

Saravanakumar, Rajendran ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2013) Synthesis and structural characterization of cis isomer of 1,2,3-triazol-5-ylidene based palladium complexes Journal of Organometallic Chemistry, 736 . pp. 36-41. ISSN 0022-328X

Shaik, Jeelani Basha ; Ramkumar, Venkatachalam ; Varghese, Babu ; Sankararaman, Sethuraman (2013) Synthesis and structure of trans-bis(1,4-dimesityl-3-methyl-1,2,3-triazol-5-ylidene)palladium(II) dichloride and diacetate. Suzuki–Miyaura coupling of polybromoarenes with high catalytic turnover efficiencies Beilstein Journal of Organic Chemistry, 9 . pp. 698-704. ISSN 1860-5397

Shaik, Jeelani Basha ; Ramkumar, Venkatachalam ; Varghese, Babu ; Sankararaman, Sethuraman (2013) Synthesis and structure of trans-bis(1,4-dimesityl-3-methyl-1,2,3-triazol-5-ylidene)palladium(II) dichloride and diacetate. Suzuki–Miyaura coupling of polybromoarenes with high catalytic turnover efficiencies Beilstein Journal of Organic Chemistry, 9 . pp. 698-704. ISSN 1860-5397

Tripathy, Debakanta ; Ramkumar, Venkatachalam ; Chand, Dillip K. (2013) Toppled Molecular-Domino Sets by Self-Assembly of Self-assembly: The π-Polymers Crystal Growth & Design, 13 (8). pp. 3763-3772. ISSN 1528-7483

Saravanakumar, Rajendran ; Ramkumar, Venkatachalam ; Sankararaman, Sethuraman (2011) Synthesis and structure of 1,4-diphenyl-3-methyl-1,2,3-triazol-5-ylidene palladium complexes and application in catalytic hydroarylation of alkynes Organometallics, 30 (6). pp. 1689-1694. ISSN 0276-7333