Items where Author is "Rajasekharan Pillai, V. N."

Koshy, Ebey P. ; Zacharias, Jose ; Rajasekharan Pillai, V. N. (2006) Poly(N-vinylpyrrolidone)-hydrotribromide: a new gel-type resin for alcohol oxidation and alkene dibromination Reactive and Functional Polymers, 66 (8). pp. 845-850. ISSN 1381-5148

Roice, Michael ; Rajasekharan Pillai, V. N. (2005) Poly(styrene-co-glycerol dimethacrylate): synthesis, characterization, and application as a resin for gel-phase peptide synthesis Journal of Polymer Science Part A: Polymer Chemistry, 43 (19). pp. 4382-4392. ISSN 0887-624X

Sasikumar, P. G. ; Kumar, K. S. ; Rajasekharan Pillai, V. N. (2004) A novel chemically and mechanically stable glycerol-based crosslinked polystyrene support for polypeptide synthesis: a comparative study with Merrifield resin Journal of Applied Polymer Science, 92 (1). pp. 288-294. ISSN 0021-8995

Zacharias, Jose ; Koshy, Ebey P. ; Rajasekharan Pillai, V. N. (2003) Polyvinyl pyrolidone-supported chlorochromates: preparation and application as solid phase synthetic oxidising reagent Reactive and Functional Polymers, 56 (3). pp. 159-165. ISSN 1381-5148

Sasikumar, P. G. ; Kumar, K. S. ; Rajasekharan Pillai, V. N. (2003) Tri(propylene glycol) glycerolate diacrylate cross-linked polystyrene: a new resin support for solid-phase peptide synthesis The Journal of Peptide Research, 62 (1). pp. 1-10. ISSN 1397-002X

Roice, M. ; Rajasekharan Pillai, V. N. (2003) Kinetics of amide formation on 1,4-butanediol dimethacrylate crosslinked polystyrene resin: a comparison with PS-DVB resin Journal of Applied Polymer Science, 88 (13). pp. 2897-2903. ISSN 0021-8995

Arunan, C. ; Rajasekharan Pillai, V. N. (2003) 1,6-hexanediol diacrylate-crosslinked polystyrene: preparation, characterization, and application in peptide synthesis Journal of Applied Polymer Science, 87 (8). pp. 1290-1296. ISSN 0021-8995

Roice, M. ; Subhashchandran, K. P. ; Gean, A. V. ; Franklin, J. ; Rajasekharan Pillai, V. N. (2003) Synthesis and characterization of glycerol dimethacrylate cross-linked polymethyl methacrylate: a resin for solid phase peptide synthesis Polymer, 44 (4). pp. 911-922. ISSN 0032-3861

Krishna Kumar, I. M. ; Rajasekharan Pillai, V. N. ; Mathew, Beena (2002) An efficient gel-phase synthesis of peptides on a high capacity flexible crosslinked polystyrene support: comparison with Merrifield resin Journal of Peptide Science, 8 (5). pp. 183-191. ISSN 1075-2617

Sasikumar, P. G. ; Kumar, K. S. ; Arunan, C. ; Rajasekharan Pillai, V. N. (2002) Synthesis and optimization of tri(propylene glycol) glycerolate diacrylate cross-linked polystyrene resin in polypeptide synthesis: role of the macromolecular support in solid phase peptide synthesis Journal of the Chemical Society, Perkin Transactions 1 (24). pp. 2886-2895. ISSN 0300-922X

Kumar, K. S. ; Roice, M. ; Rajasekharan Pillai, V. N. (2001) Photocleavable 2-nitrobenzylamino anchored polystyrene-butanediol dimethacrylate supports for the synthesis of protected peptides, peptide amides and peptide N-alkyl amides Tetrahedron, 57 (15). 3151 -3158. ISSN 0040-4020

Kumar, K. S. ; Poduri, C. D. ; Sugunan, V. S. ; Das, M. R. ; Roice, M. ; Sasikumar, P. G. ; Rajasekharan Pillai, V. N. (2001) Syntheses of immunodominant peptide regions of hepatitis c viral pathogens using PS-BDODMA resin: a single peptide derived from the conserved domain (E2/NS1) was highly effective in detecting anti-HCV antibodies The Journal of Peptide Research, 57 (2). pp. 140-150. ISSN 1397-002X

Roice, M. ; Suma, G. ; Kumar, K. S. ; Rajasekharan Pillai, V. N. (2001) Synthesis of esculentin-1 antibacterial peptide fragments on 1,4-butanediol dimethacrylate cross-linked polystyrene support Journal of Protein Chemistry, 20 (1). pp. 25-32. ISSN 0277-8033

Kumar, K. S. ; Das, M. R. ; Rajasekharan Pillai, V. N. (2000) Syntheses of four peptides from the immunodominant region of hepatitis C viral pathogens using PS-TTEGDA support for the investigation of HCV infection in human blood The Journal of Peptide Research, 56 (7). pp. 88-96. ISSN 1397-002X

Roice, M. ; Kumar, K. S. ; Rajasekharan Pillai, V. N. (2000) Optimization in peptide synthetic conditions of 1,4-butanediol dimethacrylate cross-linked polystyrene resin and its efficiency in solid phase peptide synthesis Tetrahedron, 56 (23). 3725 -3734. ISSN 0040-4020

Arunan, C. ; Nagaraj, R. ; Rajasekharan Pillai, V. N. (2000) Solid-phase synthesis of a modified 13-residue seminalplasmin fragment on 1,6-hexanediol diacrylate-crosslinked polystyrene support Peptides, 21 (6). pp. 773-777. ISSN 0196-9781

Suresh, P. S. ; Srinivasan, M. ; Rajasekharan Pillai, V. N. (2000) Copolymers of polystyrene-new polymer supports for asymmetric epoxidation of allylic alcohols Journal of Polymer Science Part A: Polymer Chemistry, 38 (1). pp. 161-169. ISSN 0887-624X

Roice, M. ; Kumar, K. S. ; Rajasekharan Pillai, V. N. (1999) Synthesis, characterization, and application of butanediol dimethacrylate cross-linked polystyrene: a flexible support for gel phase peptide synthesis Macromolecules, 32 (26). pp. 8807-8815. ISSN 0024-9297

George, Bini ; Rajasekharan Pillai, V. N. ; Mathew, Beena (1999) Effect of the nature of the crosslinking agent on the metal-ion complexation characteristics of 4 mol % DVB- and NNMBA-crosslinked polyacrylamide-supported glycines Journal of Applied Polymer Science, 74 (14). pp. 3432-3444. ISSN 0021-8995

Varkey, Jaya T. ; Rajasekharan Pillai, V. N. (1999) Solid phase synthesis of hydrophobic peptides on 1,6-hexanediol diacrylate cross-linked polystyrene resin Journal of Peptide Science, 5 (12). pp. 577-581. ISSN 1075-2617

Varkey, Jaya T. ; Rajasekharan Pillai, V. N. (1999) Merrifield resin and 1,6-hexanediol diacrylate-crosslinked polystyrene resin for solid-phase peptide synthesis: a comparative study Journal of Applied Polymer Science, 71 (12). pp. 1933-1939. ISSN 0021-8995

Jose, Lissy ; Rajasekharan Pillai, V. N. (1998) Catalase-like activity of triethyleneglycol dimethacrylate-crosslinked polyacrylamide supported metal complexes Polymer, 39 (1). 229 -233. ISSN 0032-3861

Varkey, Jaya T. ; Rajasekharan Pillai, V. N. (1998) Synthesis of thioredoxin partial sequences on 1,6-hexanediol diacrylate (HDODA)-cross-linked polystyrene resin The Journal of Peptide Research, 51 (1). 49-54 . ISSN 1397-002X

Koruthu, Desy P. ; Madhusudanan, P. M. ; Rajasekharan Pillai, V. N. (1997) A three-dimensional phase boundary model for diffusion processes involved in reactions of crosslinked polymeric amines with low molecular weight esters Proceedings of the Indian Academy of Sciences - Chemical Sciences, 109 (1). pp. 39-48. ISSN 0253-4134

Jose, Lissy ; Rajasekharan Pillai, V. N. (1996) Catalase-like activity of divinylbenzene (DVB)-crosslinked polyacrylamide supported amino metal complexes European Polymer Journal, 32 (12). pp. 1431-1435. ISSN 0014-3057

Renil, M. ; Rajasekharan Pillai, V. N. (1996) Synthesis, characterization and application of tetraethylene glycol diacrylate crosslinked polystyrene support for gel phase peptide synthesis Journal of Applied Polymer Science, 61 (9). pp. 1585-1594. ISSN 0021-8995

Abraham, Joshua ; Rajasekharan Pillai, V. N. (1996) Membrane-encapsulated controlled-release urea fertilizers based on acrylamide copolymers Journal of Applied Polymer Science, 60 (13). pp. 2347-2351. ISSN 0021-8995

Jose, Lissy ; Rajasekharan Pillai, V. N. (1996) Transition metal complexes of polymeric amino ligands derived from triethyleneglycol dimethacrylate crosslinked polyacrylamides Journal of Applied Polymer Science, 60 (11). pp. 1855-1865. ISSN 0021-8995

Mathew, Beena ; Rajasekharan Pillai, V. N. (1996) Metal ion complexation of hydrophilic polymeric amino ligands derived from tetraethyleneglycol diacrylate (TTEGDA)-crosslinked polyacrylamides Proceedings of the Indian Academy of Sciences - Chemical Sciences, 108 (1). pp. 1-12. ISSN 0253-4134

Chandy, Mathew C. ; Rajasekharan Pillai, V. N. (1995) Water sorption and water binding properties of crosslinked polyacrylamides: effect of macromolecular structure and crosslinking Polymer International, 37 (1). pp. 39-45. ISSN 0959-8103

Chandy, Mathew C. ; Rajasekharan Pillai, V. N. (1995) Reactivity of polymeric amines toward peptide bond formation-aminolysis of poly(aminoacrylamide)s by N-benzoylglycine 4-nitrophenyl ester Journal of Polymer Science Part A: Polymer Chemistry, 33 (5). pp. 849-852. ISSN 0887-624X

Chandy, Mathew C. ; Rajasekharan Pillai, V. N. (1995) Role of the structural parameters of the macromolecular matrix in polymer-supported peptide synthesis: attempts at optimization Polymer, 36 (5). pp. 1083-1089. ISSN 0032-3861

Ajayaghosh, A. ; Rajasekharan Pillai, V. N. (1995) Solid-phase synthesis and C-terminal amidation of peptides using a photolabile o-nitrobenzhydrylaminopolystyrene support Tetrahedron Letters, 36 (5). pp. 777-780. ISSN 0040-4039

Kuriakose, Sunny ; Rajasekharan Pillai, V. N. (1994) Preparation of polymeric diketones and their conversion to polymeric hydroxy acids in crosslinked polymeric matrices Die Angewandte Makromolekulare Chemie, 221 (1). pp. 53-60. ISSN 0003-3146

Renil, M. ; Rajasekharan Pillai, V. N. (1994) Tetraethyleneglycol diacrylate (TTEGDA)-crosslinked polystyrene resin as an efficient solid support for gel phase peptide synthesis Proceedings of the Indian Academy of Sciences - Chemical Sciences, 106 (5). pp. 1123-1138. ISSN 0253-4134

Kuriakose, Sunny ; Rajasekharan Pillai, V. N. (1994) Encapsulation of benzil in the cavities of crosslinked styrene-based copolymers and its conversion to benzilic acid Polymer International, 34 (2). pp. 225-228. ISSN 0959-8103

Renil, M. ; Rajasekharan Pillai, V. N. (1994) Synthesis of fully protected peptides on a tetraethyleneglycol diacrylate (TTEGDA)-crosslinked polystyrene support with a photolytically detachable 2-nitrobenzyl anchoring group Tetrahedron Letters, 35 (22). pp. 3809-3812. ISSN 0040-4039

Kuriakose, Sunny ; Rajasekharan Pillai, V. N. (1994) Benzil-benzilic acid rearrangement in crosslinked macromolecular systems: effect of crosslinking Polymer, 35 (6). pp. 1339-1341. ISSN 0032-3861

Kuriakose, Sunny ; Rajasekharan Pillai, V. N. (1994) Polyethyleneglycol-catalysed benzil-benzilic acid rearrangement: a reaction in soluble macromolecular cavities Proceedings of the Indian Academy of Sciences - Chemical Sciences, 106 (1). pp. 59-64. ISSN 0253-4134

Mathew, Beena ; Rajasekharan Pillai, V. N. (1994) Crosslinked polystyrene-supported dithiocarbamates as metal complexing agents European Polymer Journal, 30 (1). pp. 61-65. ISSN 0014-3057

Renil, M. ; Nagaraj, R. ; Rajasekharan Pillai, V. N. (1994) Gel-phase peptide synthesis on a new high-capacity tetraethyleneglycol diacrylate-crosslinked polystyrene support: synthesis of pardaxin 16-33 Tetrahedron, 50 (22). pp. 6681-6688. ISSN 0040-4020

Mathew, Beena ; Rajasekharan Pillai, V. N. (1993) Polymer-metal complexes of amino functionalized divinylbenzene-crosslinked polyacrylamides Polymer, 34 (12). 2650 -2658. ISSN 0032-3861

Mathew, Beena ; Madhusudanan, P. M. ; Rajasekharan Pillai, V. N. (1993) Thermal behaviour of DVB-crosslinked polystyrene-supported dithiocarbamate-metal complexes Polymer Degradation and Stability, 39 (2). pp. 173-177. ISSN 0141-3910

Mathew, Beena ; Madhusudanan, P. M. ; Rajasekharan Pillai, V. N. (1992) Effect of the nature of crosslinking agents on the thermal decomposition of metal complexes of crosslinked polyacrylamide-supported dithiocarbamates Thermochimica Acta, 207 . pp. 265-277. ISSN 0040-6031

Mathewa, Beena ; Madhusudanan, P. M. ; Rajasekharan Pillai, V. N. (1992) Thermogravimetric studies of the metal complexes of polyacrylamide-supported amines: effect of the variables of macromolecular structure on thermal stability Thermochimica Acta, 205 . pp. 271-282. ISSN 0040-6031

Mathew, Beena ; Rajasekharan Pillai, V. N. (1992) Metal complexation of crosslinked polyacrylamide-supported dithiocarbamates: effect of the molecular character and extent of crosslinking on complexation Proceedings of the Indian Academy of Sciences - Chemical Sciences, 104 (1). pp. 43-56. ISSN 0253-4134

Jayakumari, V. G. ; Rajasekharan Pillai, V. N. (1991) Peptide synthesis catalysed by papain immobilised on polymer supports: effect of the macromolecular structure and reaction conditions on synthesis Proceedings of the Indian Academy of Sciences - Chemical Sciences, 103 (2). pp. 133-148. ISSN 0253-4134

Haridasan, V. K. ; Rajasekharan Pillai, V. N. (1991) Synthesis of substance P partial sequential peptides on a photolytically removable 4-aminomethyl-3-nitrobenzoylaminomethyl polystyrene support Proceedings of the Indian Academy of Sciences - Chemical Sciences, 103 (1). pp. 43-53. ISSN 0253-4134

Mathew, Beena ; Rajasekharan Pillai, V. N. (1991) Divinylbenzene-crosslinked polyacrylamide-supported dithiocarbamates as metal complexing agents Polymer Bulletin, 26 (6). pp. 603-610. ISSN 0170-0839

George, Benny K. ; Rajasekharan Pillai, V. N. (1990) Polymeric oxidizing reagents based on polyacrylamides: effect of the nature and extent of crosslinking on reactivity Journal of Polymer Science Part A: Polymer Chemistry, 28 (10). pp. 2585-2596. ISSN 0887-624X

Devaky, K. S. ; Rajasekharan Pillai, V. N. (1990) Synthesis of amides and peptides using polymer-bound mixed carboxylic dithiocarbamic anhydrides Proceedings of the Indian Academy of Sciences - Chemical Sciences, 102 (4). pp. 521-533. ISSN 0253-4134

Ajayaghosh, A. ; Rajasekharan Pillai, V. N. (1990) Solid-phase synthesis of N-methyl- and N-ethylamides of peptides using photolytically detachable [(3-nitro-4-[(alkylamino)methyl]benzamido]methyl]polystyrene resin Journal of Organic Chemistry, 55 (9). pp. 2826-2829. ISSN 0022-3263

Purushothaman, E. ; Rajasekharan Pillai, V. N. (1989) Regiospecific photochemical transformations of 4, 5-diaryl-Δ⁴-imidazolin-2-ones: ketal formation and cyclodehydrogenation Proceedings of the Indian Academy of Sciences - Chemical Sciences, 101 (5). pp. 391-399. ISSN 0253-4134

Sreekumar, K. ; Rajasekharan Pillai, V. N. (1989) Characteristic structural effects of crosslinked polymer supports in solid-phase hypochlorite oxidations Macromolecules, 22 (8). pp. 3303-3306. ISSN 0024-9297

Sreekumar, K. ; Rajasekharan Pillai, V. N. (1989) Topographical nature of the polymer matrix and reactivity of attached functional groups: effect of crosslink density on the efficiency of solid-phase hypochlorite oxidations Proceedings of the Indian Academy of Sciences - Chemical Sciences, 101 (4). pp. 335-342. ISSN 0253-4134

Sreekumar, K. ; Rajasekharan Pillai, V. N. (1989) Design and applications of a solid-phase oxidizing reagent consisting of a crosslinked polystyrene matrix and a t-butyl hypochlorite function separated by a trimethylene spacer Journal of Applied Polymer Science, 37 (8). pp. 2109-2119. ISSN 0021-8995

George, Benny K. ; Rajasekharan Pillai, V. N. (1989) Poly-N-haloacrylamides as polymeric solid phase synthetic reagents for α-halogenation of ketones Polymer, 30 (1). pp. 178-181. ISSN 0032-3861

George, Benny K. ; Rajasekharan Pillai, V. N. (1988) Poly(N-bromoacrylamide): a new polymeric recyclable oxidizing and brominating reagent Macromolecules, 21 (6). pp. 1867-1870. ISSN 0024-9297

Ajayaghosh, A. ; Rajasekharan Pillai, V. N. (1988) Solid-phase synthesis of C-terminal peptide amides using a photoremovable α-methylphenacylamido anchoring linkage Proceedings of the Indian Academy of Sciences - Chemical Sciences, 100 (5). pp. 389-396. ISSN 0253-4134

Ajayaghosh, A. ; Rajasekharan Pillai, V. N. (1988) Polymer-supported synthesis of protected peptide segments on a photosensitive o-nitro(a-methyl)bromobenzyl resin Tetrahedron, 44 (21). pp. 6661-6666. ISSN 0040-4020

Devaky, K. S. ; Rajasekharan Pillai, V. N. (1988) Selective conversion of chloromethyl and bromomethyl groups to aminomethyl groups in multifunctional crosslinked polystyrenes European Polymer Journal, 24 (3). pp. 209-213. ISSN 0014-3057

Ajayaghosh, A. ; Rajasekharan Pillai, V. N. (1987) 2'-Nitrobenzhydryl polystyrene resin: a new photosensitive polymeric support for peptide synthesis Journal of Organic Chemistry, 52 (26). pp. 5714-5717. ISSN 0022-3263

Sreekumar, K. ; Rajasekharan Pillai, V. N. (1987) Polymer-supported analogues of t-butyl hypohalites. Preparation and applications in synthetic organic chemistry Polymer, 28 (9). 1599 -1604. ISSN 0032-3861

Haridasan, V. K. ; Ajayaghosh, A. ; Rajasekharan Pillai, V. N. (1987) Polymer-bound mixed carboxylic dithiocarbamic anhydrides. A new class of selective and recyclable solid-phase acylating reagents Journal of Organic Chemistry, 52 (13). pp. 2662-2665. ISSN 0022-3263

Hellermann, Heidi ; Lucas, Heinz-Werner ; Maul, Jürgen ; Rajasekharan Pillai, V. N. ; Mutter, Manfred (1983) Poly(ethylene glycol)s grafted onto crosslinked polystyrenes. 2. Multidetachably anchored polymer systems for the synthesis of solubilized peptides Die Makromolekulare Chemie, 184 (12). pp. 2603-2617. ISSN 0025-116X

Becker, Heidi ; Lucas, Heinz-Werner ; Maul, Jürgen ; Rajasekharan Pillai, V. N. ; Anzinger, Hermann ; Mutter, Manfred (1982) Polyethyleneglycols grafted onto crosslinked polystyrenes: a new class of hydrophilic polymeric supports for peptide synthesis Die Makromolekulare Chemie, Rapid Communications, 3 (4). pp. 217-223. ISSN 0173-2803

Rajasekharan Pillai, V. N. ; Mutter, Manfred (1981) Conformational studies of poly(oxyethylene)-bound peptides and protein sequences Accounts of Chemical Research, 14 (4). pp. 122-130. ISSN 0001-4842

Rajasekharan Pillai, V. N. ; Mutter, Manfred ; Bayer, Ernst ; Gatfield, Ian (1980) New, easily removable poly(ethylene glycol) supports for the liquid-phase method of peptide synthesis The Journal of Organic Chemistry, 45 (26). pp. 5364-5370. ISSN 0022-3263

Toniolo, Claudio ; Bonora, Gian M. ; Rajasekharan Pillai, V. N. ; Mutter, Manfred (1980) Infrared conformational study of poly(ethylene glycol)-bound homooligoglycines in the solid state and in solution Macromolecules, 13 (3). pp. 772-774. ISSN 0024-9297

Rajasekharan Pillai, V. N. (1980) Photoremovable protecting groups in organic synthesis Synthesis, 1980 (1). pp. 1-26. ISSN 0039-7881