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Number of items: 136. López-Hernández, A. ; Venkatesan, K. ; Schmalle, H. W. ; Berke, Heinz (2009) Chemistry of chromium bis-acetylide complexes Monatshefte fur Chemie / Chemical Monthly, 140 (7). pp. 845-857. ISSN 0026-9247 Mehta, Goverdhan ; Sen, Saikat ; Venkatesan, Kailasam (2007) Additive induced polymorphous behavior of a conformationally locked hexol CrystEngComm, 9 . pp. 144-151. ISSN 1466-8033 Natarajan, Arunkumar ; Mague, Joel T ; Venkatesan, K. ; Arai, T. ; Ramamurthy, V. (2006) Volume-demanding cis-trans isomerization of 1,2-diaryl olefins in the solid state Journal of Organic Chemistry, 71 (3). pp. 1055-1059. ISSN 0022-3263 Natarajan, Arunkumar ; Mague, Joel T. ; Venkatesan, K. ; Ramamurthy, V. (2005) Large molecular motions are tolerated in crystals of diamine double salt of trans-chlorocinnamic acids with trans-1,2-diaminocyclohexane Organic Letters, 7 (10). pp. 1895-1898. ISSN 1523-7060 Mehta, Goverdhan ; Sen, Saikat ; Venkatesan, Kailasam (2005) Concomitant dimorphism and helical self-assembly in a C2h-symmetric 'locked' cyclitol CrystEngComm, 7 (65). pp. 398-401. ISSN 1466-8033 Mehta, G. ; Vanessa, G. ; Islam, K. ; Venkatesan, K. (2004) 6a,6b,12a,12b-Tetrahydrocycloocta[3,4]cyclobuta[1,2][8]annulene Acta Crystallographica Section C: Crystal Structure Communications, C60 (1). o90-o93. ISSN 0108-2701 Gholap, Atul R. ; Venkatesan, K. ; Daniel, Thomas ; Lahoti, R. J. ; Srinivasan, K. V. (2004) Ionic liquid promoted novel and efficient one pot synthesis of 3,4-dihydropyrimidin-2-(1H)-ones at ambient temperature under ultrasound irradiation Green Chemistry, 6 (3). pp. 147-150. ISSN 1463-9262 Vishnumurthy, Kodumuru ; Guru Row, Tayur N. ; Venkatesan, Kailasam (2002) Fluorine in crystal engineering: photodimerization of (1E,3E)-1-phenyl-4-pentafluorophenylbuta-1,3-dienes in the crystalline state Photochemical and Photobiological Sciences, 1 (6). pp. 427-430. ISSN 1474-905X Vishnumurthy, Kodumuru ; Row, Tayur N. Guru ; Venkatesan, Kailasam (2002) Photochemical behaviour of 4-styrylcoumarin polymorphs in the crystalline state Photochemical and Photobiological Sciences, 1 (10). pp. 799-802. ISSN 1474-905X Rossouw, C. J. ; Bettles, C. J. ; Davis, T. J. ; Forwood, C. T. ; Miller, P. R. ; Venkatesan, K. (2001) Location of Zn within the Mg12(LaxCe1-x) lattice by X-ray incoherent channelling patterns Acta Crystallographica Section A, 57 (3). pp. 321-332. ISSN 0108-7673 Ghanashyam Acharya, S. N. ; Srinivasa Gopalan, R. ; Kulkarni, G. U. ; Venkatesan, K. ; Bhattacharya, Santanu (2000) Novel organic porous solids with channel and layered structures from 1,3,5-triazine-2,4,6-triaminehexaacetic acid and its calcium salt Chemical Communications (15). pp. 1351-1352. ISSN 1359-7345 Vishnumurthy, Kodumuru ; Guru Row, Tayur N. ; Venkatesan, Kailasam (1999) Studies in crystal engineering: steering ability of fluorine in 4-styrylcoumarins Tetrahedron, 55 (13). pp. 4095-4108. ISSN 0040-4020 Mehta, Goverdhan ; Vidya, Ramdas ; Venkatesan, Kailasam (1999) Crystal structure of tetraoxa[4]peristylane: novel C-H...O mediated architecture in the solid state Tetrahedron Letters, 40 (12). pp. 2417-2420. ISSN 0040-4039 Vishnumurthy, Kodumuru ; Guru Row, Tayur N. ; Venkatesan, Kailasam (1998) Unusual photodimerization of 7-fluoro-4-methylcoumarin and 6-fluoro-4-methylcoumarin in the solid state Tetrahedron, 54 (37). pp. 1235-11246. ISSN 0040-4020 Vishnumurthy, Kodumuru ; Guru Row, Tayur N. ; Venkatesan, Kailasam (1997) Studies in crystal engineering: crystal packing, topologicalphotodimerization and structure-reactivity correlations influoro-substituted styrylcoumarins Journal of Chemical Society, Perkin Transactions 2, 2 (3). pp. 615-620. ISSN 0300-9580 Vishnumurthy, Kodumuru ; Guru Row, Tayur N. ; Venkatesan, Kailasam (1996) Studies in crystal engineering: effect of fluorine substitution in crystal packing and topological photodimerization of styryl coumarins in the solid state Journal of Chemical Society, Perkin Transactions 2, 2 (7). pp. 1475-1478. ISSN 0300-9580 Moorthy, Jarugu Narasimha ; Venkatesan, Kailasam (1994) Photobehavior of crystalline 4-styrylcoumarin dimorphs: structure-reactivity correlations Bulletin of the Chemical Society of Japan, 67 (1). pp. 1-6. ISSN 0009-2673 Bott, Simon G. ; Marchand, Alan P. ; Xing, Dongxia ; Shukla, Rajesh ; Obrey, Stephen James ; Venkatesan, K. ; Narasimha Moorthy, J. (1994) Stereospecific solid-state NaBH4-promoted reduction of 1-methylpentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione Journal of Chemical Crystallography, 27 (11). pp. 661-665. ISSN 1074-1542 Narasimha Moorthy, J. ; Samant, S. D. ; Venkatesan, K. (1994) Studies in crystal engineering: structure-reactivity correlations of substituted styrylcoumarins and related systems Journal of the Chemical Society, Perkin Transactions 2, 2 (6). pp. 1223-1228. ISSN 0300-9580 Geue, R. J. ; Osvath, P. ; Sargeson, A. M. ; R., K ; Noor, S. B. ; Row, T. N. G. ; Venkatesan, K. (1994) The reaction of a nitro-capped cobalt(III) cage complex with base: the crystal structure of a contracted cage complex, and the mechanism of its formation Australian Journal of Chemistry, 47 (3). pp. 511-527. ISSN 0004-9425 Kasturi, Tirumalai R. ; Jayaram, Srirangam K. ; Sattigeri, Jitendra A. ; Pragnacharyulu, Palle V. P. ; Guru Row, Tayur N. ; Renuka, K. ; Venkatesan, Kailasam ; Shahina Begum, Noor ; Munirathinam, Netaji (1993) DDQ oxidation of bisnaphthols - structures of novel products Tetrahedron, 49 (32). pp. 7145-7158. ISSN 0040-4020 Kumar, V. Amarendra ; Begum, Noor Shahina ; Venkatesan, K. (1993) Crystal engineering: fluorine as a new steering group Journal of Chemical Society, Perkin Transactions 2, 2 (3). pp. 463-467. ISSN 0300-9580 Kumar, Vemuru Amarendra ; Venkatesan, Kailasam (1993) Studies in crystal engineering: topochemical photodimerization of (±)-p-fluorobenzylidenepiperitone Journal of Chemical Society, Perkin Transactions 2, 2 (12). pp. 2429-2433. ISSN 0300-9580 Kumar, V. A. ; Venkatesan, K. (1993) Studies on photochromism of a thermally stable fulgide in the crystalline state: x-ray crystallographic investigation of (E)-2-isopropylidene-3-(1-naphthylmethylene)succinic anhydride Acta Crystallographica Section B, 49 (5). pp. 896-900. ISSN 0108-7681 Mehta, Goverdhan ; Prabhakar, Chebiyyam ; Nethaji, Munirathinam ; Venkatesan, Kailasam (1993) Triquinane-derived macrocyclic cyclophane hosts Journal of the Chemical Society, Chemical Communications (5). pp. 483-485. ISSN 0022-4936 Narasimha Moorthy, J. ; Venkatesan, K. ; Weiss, Richard G. (1992) Photodimerization of coumarins in solid cyclodextrin inclusion complexes Journal of Organic Chemistry, 57 (12). pp. 3292-3297. ISSN 0022-3263 Kumar, V. Amarendra ; Venkatesan, Kailasam ; Ganguly, Bishwajit ; Chandrasekhar, Jayaraman ; Khan, Faiz Ahmed ; Mehta, Goverdhan (1992) Ground state geometric distortions vs distal substituent effects in determining the β-facial selectivity in 7-norbornenones Tetrahedron Letters, 33 (21). pp. 3069-3072. ISSN 0040-4039 Kumar, Amarendra V. ; Venkatesan, Kailasam ; Ganguly, Bishwajit ; Chandrasekhar, Jayaraman ; Khan, Faiz Ahmed ; Mehta, Goverdhan (1992) Ground state geometric distortions image distal substituent effects in determining the β-facial selectivity in 7-norbornenones Tetrahedron Letters, 33 (21). pp. 3069-3072. ISSN 0040-4039 Venugopalan, P. ; Venkatesan, K. (1992) Solid-state photobehaviour and crystal packing of o-chlorobenzylidene-DL-piperitone: influence of molecular topology on photobehaviour Acta Crystallographica Section B, 48 (4). pp. 532-537. ISSN 0108-7681 Begum, N. S. ; Venkatesan, K. (1992) Studies on nonlinear optical materials: structure of diphenylmethyl (Z)-1-(1-methylthio-2-nitrovinyl)tetrahydropyrrole-2-carboxylate Acta Crystallographica Section C, 48 (5). pp. 902-905. ISSN 0108-2701 Mehta, G. ; Venkatesan, K. ; Moorthy, J. N. ; Begum, N. S. ; Padma, S. (1992) Synthetic studies towards prismanes - rearrangements in some pentacyclic precursors and X-ray crystal-structure of a novel heptacyclic ether Indian Journal of Chemistry - Section B: Organic and Medicinal Chemistry, 31 (8). pp. 473-482. ISSN 0376-4699 Johnson, O. ; Jones, D. W. ; Nagarajan, K. ; Bhadbhade, M. M. ; Venkatesan, K. (1992) X-ray crystal structure analysis of nitroxazepine: 10-(3-dimethylaminopropyl)-2-nitro-10,11-dihydrodibenz [b,f][l,4]oxazepin-11-one Journal of Chemical Crystallography, 22 (5). pp. 579-583. ISSN 1074-1542 Mehta, Goverdhan ; Balaji Viswanath, M. ; Nethaji, Munirathinam ; Venkatesan, Kailasam (1992) A norbornadiene-cyclobutadiene cycloaddition cascade: novel intramolecular σ2+ π2 trapping of a cyclobutane ring Journal of the Chemical Society, Chemical Communications (2). pp. 82-84. ISSN 0022-4936 Narasimha Moorthy, J. ; Venkatesan, K. (1991) Stereospecific photodimerization of coumarins in crystalline inclusion complexes. Molecular and crystal structure of 1:2 complex of (S,S)-(-)-1,6-bis(o-chlorophenyl)-1,6-diphenyl-hexa-2,4-diyne-1,6-diol and coumarin Journal of Organic Chemistry, 56 (24). pp. 6957-6960. ISSN 0022-3263 Venugopalan, P. ; Venkatesan, K. ; Klausen, Jörg ; Novotny-Bregger, Elisabeth ; Leumann, Christian ; Eschenmoser, Albert ; Dunitz, Jack D. (1991) On the methyl-transfer reaction in crystalline methyl 2-(Methylthio)benzenesulfonate: a thermally induced non-topochemical solid-state reaction Helvetica Chimica Acta, 74 (3). pp. 662-669. ISSN 0018-019X Kumar, V. Amarendra ; Venkatesan, K. (1991) Photochromism of alkylisophthalaldehydes in the solid state: structure-reactivity correlations Journal of Chemical Society, Perkin Transactions 2, 2 (6). pp. 829-834. ISSN 0300-9580 Venugopalan, P. ; Bharati Rao, T. ; Venkatesan, K. (1991) Studies in crystal engineering. Photochemical and crystallographic investigations of bromocoumarins and (±)-7-(p-bromobenzylidene)piperitone Journal of Chemical Society, Perkin Transactions 2, 2 (7). pp. 981-987. ISSN 0300-9580 Dastidar, Parthasarathi ; Guru Row, Tayur N. ; Venkatesan, Kailasam (1991) Studies of non-linear optical organic materials: crystal and molecular structure of 2-dicyanomethylene-1,3-dioxolane Journal of Materials Chemistry, 1 (6). pp. 1057-1059. ISSN 0959-9428 Venugopalan, P. ; Venkatesan, K. (1990) Studies in crystal engineering: topochemical photodimerization and structure of p-chlorobenzylidene-DL-piperitone Acta Crystallographica Section B, 46 (6). pp. 826-830. ISSN 0108-7681 Vyas, K. ; Manohar, H. ; Venkatesan, K. (1990) Thermally induced O to N acyl migration in the salicylamides: thermal motion analysis of the reactants Journal of Physical Chemistry, 94 (15). pp. 6069-6073. ISSN 0022-3654 Venugopalan, P. ; Venkatesan, K. (1990) Topochemical double photocyclodimerization of ris(butoxycarbonyl)-substituted tetrathiafulvalene in the crystalline state Bulletin of the Chemical Society of Japan, 63 (8). pp. 2368-2371. ISSN 0009-2673 Kanagapushpam, D. ; Venkatesan, K. ; Cameron, T. S. (1988) Studies in nonlinear optical materials: structure of di-2-menthyl 2-(N,N'-dimethyl-2-imidazolidinylidene)malonate monohydrate Acta Crystallographica Section C, 44 (2). pp. 337-340. ISSN 0108-2701 Murthy, G. S. ; Ramamurthy, V. ; Venkatesan, K. (1988) Structure of 6-acetoxycoumarin: topochemical photodimerization and analysis of acetoxyacetoxy interactions in the solid state Acta Crystallographica Section C, 44 (2). pp. 307-311. ISSN 0108-2701 Kanagapushpam, D. ; Padmanabhan, K. ; Venkatesan, K. (1987) Studies in nonlinear optical materials: structure of 3-menthyl 2-[bis(dimethylamino)methylene]-3-oxobutyrate hemihydrate Acta Crystallographica Section C, 43 (9). pp. 1717-1721. ISSN 0108-2701 Kanagapushpam, D. ; Venkatesan, K. (1987) Studies in nonlinear optical materials: structure of methyl 2-(4-ethyl-5-methyl-2-thioxo-2,3-dihydro-1,3-thiazol-3-yl)propionate Acta Crystallographica Section C, 43 (8). pp. 1597-1598. ISSN 0108-2701 Murthy, G. S. ; Arjunan, P. ; Venkatesan, K. ; Ramamurthy, V. (1987) Consequences of lattice relaxability in solid state photodimerizations Tetrahedron, 43 (7). pp. 1225-1240. ISSN 0040-4020 Kasturi, Tirumalai R. ; Chandra, Ramal ; Ramachandra, ; Reddy, Sathavaram Madhava ; Venkatesan, Kailasam ; Srikrishnan, Thamaraipu ; Guru, Tayur N. ; Puranik, Vedavati G. ; Tavale, Sudam S. (1987) Rearrangement of a homobrendane to a perhydro-1,4-methanoindene skeleton. X-ray crystal structure of a novel product Journal of the Chemical Society, Chemical Communications (2). pp. 75-76. ISSN 0022-4936 Kanagapushpam, D. ; Ramamurthy, V. ; Venkatesan, K. (1987) Structure of α-benzylidene-(±)-piperitone, an exception to topochemical behaviour Acta Crystallographica Section C, 43 (6). pp. 1128-1131. ISSN 0108-2701 Padmanabhan, K. ; Ramamurthy, V. ; Venkatesan, K. (1987) Structure reactivity correlation in inclusion complexes: deoxycholic acid-thiocamphenilone Journal of Inclusion Phenomena, 5 (3). pp. 315-323. ISSN 0923-0750 Padmanabhan, Kaillathe ; Venkatesan, Kailasam ; Ramamurthy, Vaidyanathan ; Schmidt, Rolf ; Döpp, Dietrich (1987) Structure-reactivity correlation of photochemical reactions in organic crystals: intramolecular hydrogen abstraction in an aromatic nitro compound Journal of Chemical Society, Perkin Transactions 2, 2 (9). pp. 1153-1158. ISSN 0300-9580 Padmanabhan, Kaillathe ; Döpp, Dietrich ; Venkatesan, Kailasam ; Ramamurthy, Vaidyanathan (1986) Solid-state photochemistry of nitro compounds: structure-reactivity correlations Journal of Chemical Society, Perkin Transactions 2, 2 (6). pp. 897-906. ISSN 0300-9580 Ramakumar, S. ; Venkatesan, K. ; Tandon, J. S. ; Dhar, M. M. (1985) Molecular and crystal structure of Coleonol, C22H34O7 Zeitschrift fur Kristallographie, 173 (1-2). pp. 81-86. ISSN 0044-2968 Chakrabarti, Pinakpani ; Venkatesan, Kailasam ; Stanley Cameron, T. ; Demir, Tursen ; Shaw, Robert A. (1985) Aromatic amines and their derivatives, Part 2. Synthesis, spectroscopic properties, and molecular and crystal structure of N-acetyl-4,N-dimethyl-6-(N-acetyl-p-toluidinomethyl)aniline Journal of Chemical Crystallography, 15 (3). pp. 229-245. ISSN 1074-1542 Sandström, Jan ; Stenvall, Kristina ; Sen, Nirupa ; Venkatesan, Kailasam (1985) Crystal structure, ultraviolet spectrum, and electronic structure of a strongly twisted push-pull ethylene, approaching an amidinium-vinylogous dithioate zwitterion Journal of Chemical Society, Perkin Transactions 2, 2 (12). pp. 1939-1942. ISSN 0300-9580 Gnanaguru, K. ; Ramasubbu, N. ; Venkatesan, K. ; Ramamurthy, V. (1985) A study on the photochemical dimerization of coumarins in the solid state Journal of Organic Chemistry, 50 (13). pp. 2337-2346. ISSN 0022-3263 Gnanaguru, K. ; Ramasubbu, N. ; Venkatesan, K. ; Ramamurthy, V. (1984) Topochemical solid state photodimerization of non-ideally oriented monomers: 7-chlorocoumarin and 7-methoxycoumarin Journal of Photochemistry, 27 (3). pp. 355-362. ISSN 0047-2670 Sen (née Kamath), N. ; Venkatesan, K. ; Acharya, K. R. ; Guru Row, T. N. (1984) A polarized twisted ethylene: (1,3-dimethyl-2-imidazolidinylidene)phenylacetonitrile, C13H15N3 Acta Crystallographica Section C, 40 (12). pp. 2122-2124. ISSN 0108-2701 Rajappa, Srinivasachari ; Nagarajan, Kuppuswamy ; Venkatesan, Kailasam ; Kamath, Nirupa ; Padmanabhan, Vipanjeri Madabhusi ; Philipsborn, Wolfgang von ; Chen, Ban Chin ; Muller, Raffaelo (1984) Studies on the stereochemistry of 2-(nitromethylidene)-heterocycles Helvetica Chimica Acta, 67 (7). pp. 1669-1680. ISSN 0018-019X Bhadbhade, M. M. ; Venkatesan, K. (1984) Conformational flexibility in androgenic steroids: the structure of a new form of (+)-17β-hydroxy-19-nor-4-androsten-3-one (19-nortestosterone), C18H26O2 Acta Crystallographica Section C, 40 (11). pp. 1905-1908. ISSN 0108-2701 Gudipati, M. S. ; Venkatesan, K. (1984) Structure of tri-1-naphthylborane-benzene (1/1) complex, C30H21B.C6H6 Acta Crystallographica Section C, 40 (11). pp. 1920-1922. ISSN 0108-2701 Sen(née Kamath), N. ; Venkatesan, K. (1984) Polarized twisted ethylenes: structure of 3-dimethylamino-3-methylthio-2-phenylacrylonitrile, C12H14N2S Acta Crystallographica Section C, 40 (10). pp. 1730-1733. ISSN 0108-2701 Murthy, G. S. ; Venkatesan, K. (1984) Structure of 7-methyl-1(2)a,1(6)a,3(4)a-trihomocubane-1(6)a,3(4)a-dione, C12H12O2. A case of enantiomeric and rotational disorder Acta Crystallographica Section C, 40 (9). pp. 1581-1584. ISSN 0108-2701 Kamath, N. U. ; Venkatesan, K. (1984) Structure of N-[bis(methylthio)methylene]cinnamamide, C12H13NOS2 Acta Crystallographica Section C, 40 (9). pp. 1610-1612. ISSN 0108-2701 Bhadbhade, M. M. ; Murthy, G. S. ; Venkatesan, K. ; Ramamurthy, V. (1984) Topochemical dimerization of non-parallel double bonds: 7-methoxycoumarin Chemical Physics Letters, 109 (3). pp. 259-263. ISSN 0009-2614 Gnanaguru, K. ; Murthy, G. S. ; Venkatesan, K. ; Ramamurthy, V. (1984) A study in crystal engineering: solid-state photodimerization of chloro- and methyl-coumarins Chemical Physics Letters, 109 (3). pp. 255-258. ISSN 0009-2614 Arjunan, P. ; Ramamurthy, V. ; Venkatesan, K. (1984) Gas-crystal photoreaction: the structures of 4,4'-dimethoxy(thiobenzophenone) (I), C15H14O2S, and 4,4'-bis(dimethylamino)thiobenzophenone (II), C17H20N2S Acta Crystallographica Section C, 40 (3). pp. 552-555. ISSN 0108-2701 Arjunan, P. ; Ramamurthy, V. ; Venkatesan, K. (1984) 4-Biphenylyl phenyl thioketone (I), C19H14S, and 1-naphthyl phenyl thioketone (II), C17H12S Acta Crystallographica Section C, 40 (3). pp. 556-558. ISSN 0108-2701 Arjunan, P. ; Ramamurthy, V. ; Venkatesan, K. (1984) Gas-solid reactions: photochemical oxidation of thioketones in the crystalline state Journal of Organic Chemistry, 49 (10). pp. 1765-1769. ISSN 0022-3263 Kasturi, Tirumalai R. ; Rajasekhar, Betageri ; Raju, Gonibella J. ; Reddy, Gowravaram Madhusudhan ; Sivaramakrishnan, Ramamoorthy ; Ramasubbu, Narayanan ; Venkatesan, Kailasam (1984) Oxidation of bis(2-hydroxy-1-naphthyl)methane and similar bisnaphthols with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone. Structure and synthesis of novel products Journal of Chemical Society, Perkin Transactions 1, 1 . pp. 2375-2382. ISSN 0300-922X Acharya, K. R. ; Tavale, S. S. ; Guru Row, T. N. ; Venkatesan, K. (1984) Structure of 1-diphenylmethyl-3-hydroxyazetidinium chloride, C16H18NO+.Cl- Acta Crystallographica Section C, 40 (5). pp. 846-848. ISSN 0108-2701 Padmanabhan, K. ; Venkatesan, K. ; Ramamurthy, V. (1984) Structure-reactivity correlation in inclusion complexes: deoxycholic acid di-tert-butyl thioketone Canadian Journal of Chemistry / Revue Canadienne de Chimie, 62 (10). pp. 2025-2028. ISSN 0008-4042 Kamath, N. U. ; Venkatesan, K. (1984) A polarized, twisted, ethylene: structure of 3,3-bis(methylthio)-2-nitro-2-propene-1-nitrile, C5H6N2O2S2 Acta Crystallographica Section C, 40 (7). pp. 1211-1214. ISSN 0108-2701 Sen (née Kamath), N. ; Venkatesan, K. (1984) A thermal molecular migration in the solid state. Structures of isomeric 5-amino-4-(2,6-dichlorophenyl)-1-(2-nitrophenyl)-1H-1,2,3-triazole (yellow form I) and 4-(2,6-dichlorophenyl)-5-(2-nitroanilino)-2H-1,2,3-triazole (red form II), C14H9Cl2N5O2 Acta Crystallographica Section C, 40 (11). pp. 1901-1905. ISSN 0108-2701 Adhikesavalu, D. ; Venkatesan, K. (1983) Polarized ethylenes: structures of [dimethylamino(methylthio)methylene]malononitrile (I), C7H9N3S, and [bis(dimethylamino)methylene]malononitrile (II), C8H12N4 Acta Crystallographica Section C, 39 (5). pp. 589-592. ISSN 0108-2701 Adhikesavalu, D. ; Kamath, Nirupa U. ; Venkatesan, K. (1983) Crystallographic study of push-pull ethylenes Proceedings of the Indian Academy of Sciences - Chemical Sciences, 92 (4-5). pp. 449-456. ISSN 0377-8444 Adhikesavalu, D. ; Venkatesan, K. (1983) Push-pull ethylenes: the structures of 3-(2-imidazolidinylidene)-2,4-pentanedione (I), C8H12N2O2, and 3-(1,3-dimethyl-2-imidazolidinylidene)-2,4-pentanedione trihydrate (II), C10H16N2O2.3H2O Acta Crystallographica Section C, 39 (8). pp. 1044-1048. ISSN 0108-2701 Guru Row, T. N. ; Ramachandra Swamy, H. ; Acharya, K. Ravi ; Ramamurthy, V. ; Venkatesan, K. ; Rao, C. N. R. (1983) Reversible photodimerization of phenylbutadienes in the solid state Tetrahedron Letters, 24 (31). pp. 3263-3266. ISSN 0040-4039 Adhikesavalu, D. ; Venkatesan, K. (1983) A polarized, twisted, ethylene: structure of methyl 2-(1,3-dimethyl-2-imidazolidinylidene)-3-oxobutyrate dihydrate, C10H16N2O3.2H2O Acta Crystallographica Section C, 39 (10). pp. 1424-1426. ISSN 0108-2701 Singh, Sharat ; Bhadbhade, M. M. ; Venkatesan, K. ; Ramamurthy , V. (1982) Strain assisted α-cleavage reactions of thio ketones: diphenylcyclopropenethione Journal of Organic Chemistry, 47 (18). pp. 3550-3553. ISSN 0022-3263 Ramasubbu, N. ; Gnanaguru, K. ; Venkatesan, K. ; Ramamurthy, V. (1982) Topochemical photodimerization of 7-acetoxycoumarin: the acetoxy group as a steering agent Canadian Journal of Chemistry, 60 (16). pp. 2159-2161. ISSN 0008-4042 Murthy, P. S. ; Venkatesan, K. ; Reddy, S. M. ; Kasturi, T. R. (1982) Structure of 2-(2, 6-dimethoxyphenyl)-2, 5-dimethylbicyclo [3.2.1] octane-6, 8-dione Acta Crystallographica Section B: Structural Science, 38 (7). pp. 2055-2057. ISSN 0108-7681 Usha, R. ; Bhadbhade, M. M. ; Venkatesan, K. ; Nagarajan, K. ; David, J. (1982) Structure and conformation of an antidepressant drug, nitroxazepine hydrochloride monohydrate Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 38 (6). pp. 1854-1857. ISSN 0567-7408 Bhadbhade, M. M. ; Venkatesan, K. ; Mehta, G. ; Rao, K. S. (1982) Structure of pentacyclo[7.4.2.02,6.06,15.011,14]pentadec-4-ene-7,13-dione, a novel pentacyclic C15 quinane system Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 38 (4). pp. 1357-1359. ISSN 0567-7408 Adhikesavalu, D. ; Venkatesan, K. (1982) Polarized ethylenes: structures of (1,3-dimethyl-2-imidazolidinylidene)malononitrile and (1,3-dimethyl-2-perhydropyrimidinylidene)malononitrile Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 38 (3). pp. 855-859. ISSN 0567-7408 Krishnamurthy, N. ; Ravindranath, B. ; Row, T. N. Guru ; Venkatesan, K. (1982) Crystal and molecular structure of isogarcinol Tetrahedron Letters, 23 (21). pp. 2233-2236. ISSN 0040-4039 Ramasubbu, Narayanan ; Guru Row, Tayur N. ; Venkatesan, Kailasam ; Ramamurthy, Vaidyanathan ; Ramachandra Rao, C. N. (1982) Photodimerization of coumarins in the solid state Journal of the Chemical Society, Chemical Communications (3). pp. 178-179. ISSN 0022-4936 Ramasubbu, N. ; Venkatesan, K. (1982) Re-investigation of the structure of Feist's acid 3-methylene-trans-1,2-cyclopropanedicarboxylic acid Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 38 (3). pp. 976-978. ISSN 0567-7408 Singh, Sharat ; Bhadbhade, M. M. ; Venkatesan, K. ; Ramamurthy, V. (1982) Strain assisted .alpha.-cleavage reactions of thio ketones: diphenylcyclopropenethione Journal of Organic Chemistry, 47 (18). pp. 3550-3553. ISSN 0022-3263 Ramasubbu, N. ; Venkatesan, K. (1982) Structure of ethyl 1,2,2-tricyano-3-(4-nitrophenyl)-cyclopropane-1-carboxylate Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 38 (4). pp. 1372-1375. ISSN 0567-7408 Ramasubbu, N. ; Rajaram, J. ; Venkatesan, K. (1982) The structures of ethyl 1,2,2-tricyano-3,3-dimethylcyclopropane-1-carboxylate and ethyl 2',3,3'-tricyanocyclohexanespirocyclopropane-2'-carboxylate Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 38 (1). pp. 196-199. ISSN 0567-7408 Kasturi, Tirumalai R. ; Murthy, Parvathi S. ; Madhava Reddy, S. ; Bhadbhade, Mohan M. ; Venkatesan, Kailasam (1981) Isomeric bicyclo [3, 2, 1] octane-6, 8-diones: nuclear magnetic resonance as a probe for stereochemical distinction Journal of Organic Chemistry, 46 (24). pp. 5007-5008. ISSN 0022-3263 Chakrabarti, P. ; Venkatesan, K. ; Singh, U. Chandra ; Rao, C. N. R. (1981) Systematic variation in bond lengths of peptides Biochimica et Biophysica Acta (BBA) - Protein Structure, 670 (1). pp. 134-137. ISSN 0005-2795 Chakrabarti, P. ; Venkatesan, K. (1981) The structure of 9b-methyl-3aβ,3bα,5aα,9aα,9bβ,11aβ-perhydrophenanthro[2,1-b]furan-7-one Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, B37 . pp. 1142-1144. ISSN 0567-7408 Chakrabarti, P. ; Venkatesan, K. (1981) The structure of 9b-methyl-3aβ,3bα,5aα,9aα,9bβ,11aβ-perhydrophenanthro[2,1-b]furan-7-one Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 37 (5). pp. 1142-1144. ISSN 0567-7408 Banerjee, D. K. ; Chakrabarti, P. ; Venkatesan, K. (1981) The crystal and molecular structure of d1-17β-hydroxy-8α-androst-4-en-3-one (8-isotestosterone) Steroids, 37 (3). pp. 269-279. ISSN 0039-128X Chakrabarti, P. ; Venkatesan, K. ; Rao, C. N. R. (1981) Structure and bonding in N-methylacetamide complexes of alkali and alkaline earth metals Proceedings of the Royal Society of London Series A: Mathematical, Physical & Engineering Sciences, 375 (1760). pp. 127-153. ISSN 0962-8444 Chakrabarti, Pinakpani ; Venkatesan, Kailasam ; Cameron, Theodore Stanley ; Demir, Tursen ; Shaw, Robert A. (1981) Aromatic amines and their derivatives. Part 3. The synthesis and crystal structure of 4,4'-NN'-tetramethyl-NN'-dinitroso-2,2'-methylenedianiline Journal of the Chemical Society. Perkin transactions 1 . pp. 206-211. ISSN 0300-922X Gupta, C. M. ; Rizvi, R. K. ; Anand, Nitya ; Narsimha Murthy, M. R. ; Venkatesan, K. (1981) Cycloaddition reactions: reaction of 3-Methyl-2-phenylpyrrocoline with dimethyl acteylenedicarboxylate Indian Journal of Chemistry, 20B . pp. 735-741. ISSN 0019-5103 Mehta, Goverdhan ; Sambasiva Rao, K. ; Bhadbhade, Mohan Madhav ; Venkatesan, Kailasam (1981) Novel rearrangement to a pentacyclopentanoid (polyquinane) system Journal of the Chemical Society, Chemical Communications . pp. 755-756. ISSN 0022-4936 Adhikesavalu, D. ; Venkatesan, K. (1981) Polarized ethylenes: structure of 2-benzoyl-3-dimethylamino-3-methylthio-2-propenenitrile Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 37 (11). pp. 2048-2051. ISSN 0567-7408 Balasubrahmanyam, S. N. ; Usha, R. ; Venkatesan, K. (1981) The structures of ethyl 1,4,5-exo-trimethyl-7-oxo-2,3-diphenylbicyclo[2.2.1]hept-2-ene-5-endo-carboxylate (A) and ethyl 1,4-dimethyl-7-oxo-2,3-diphenylbicyclo[2.2.1]hept-2-ene-5-endo-carboxylate (B) Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 37 (3). pp. 629-634. ISSN 0567-7408 Bhadbhade, Mohan M. ; Subba Rao, G. S. R. ; Venkatesan, K. (1980) Concerning hypophyllanthin Tetrahedron Letters, 21 (32). pp. 3097-3098. ISSN 0040-4039 Kasturi, Tirumalai R. ; Rajasekhar, Betageri ; Raju, Gonibella J. ; Sivaramakrishnan, Ramamoorthy ; Ramasubbu, Narayanan ; Venkatesan, Kailasam (1980) Oxidation of bis-(2-hydroxy-1-naphthyl)methane with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone. X-ray crystal structure of a novel product Journal of the Chemical Society, Chemical Communications (22). pp. 1087-1088. ISSN 0022-4936 Usha, R. ; Venkatesan, K. (1980) The structure of 3-(2-methoxyphenyl)-1,1,2,2-cyclopropanetetracarbonitrile Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 36 (2). pp. 335-339. ISSN 0567-7408 Usha, R. ; Venkatesan, K. (1979) The structure of cyclopropane-1,1-dicarboxamide Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 35 (11). pp. 2730-2732. ISSN 0567-7408 Nagarajan, Kuppuswamy ; Shah, Rashmi K. ; Fuhrer, Hermann ; Puckett, Reginal T. ; Narasimhamurthy, Mathur R. ; Venkatesan, Kailasam (1978) A (1,3) strain in cis- and trans-5, 6-dihydro-4, 6-dimethyl-4H, 8H-pyrido [3,2,1-de]phenanthridin-8-ones Helvetica Chimica Acta, 61 (4). pp. 1246-1256. ISSN 0018-019X Ramani, R. ; Venkatesan, K. ; Marsh, R. E. (1978) Crystal structure and conformation of the cyclic dipeptide cyclo-(L-histidyl-L-aspartyl) trihydrate Journal of the American Chemical Society, 100 (3). pp. 949-953. ISSN 0002-7863 Ramakumar, Suryanarayana Rao ; Venkatesan, Kailasan ; Weber, Hans Peter (1977) The crystal and molecular structure of 4-Aza-5-oxo-tricyclo[4.4.0.03,8]decane (Aza-twistanone) Helvetica Chimica Acta, 60 (5). pp. 1691-1696. ISSN 0018-019X Ramani, R. ; Sasisekharan, V. ; Venkatesan, K. (1977) Conformational studies on cyclic dipeptides Chemical Biology & Drug Design, 9 (4). pp. 277-292. ISSN 1747-0277 Ramakumar, S. ; Venkatesan, K. ; Rao, S. T. (1977) The crystal and molecular structure of 1-(diphenylmethyl)azetidin-3-ol Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 33 (3). pp. 824-829. ISSN 0567-7408 Marsh, Richard E. ; Narasimha Murthy, M. R. ; Venkatesan, K. (1977) Peptide conformations. Crystal structures of tert-butyloxycarbonylglycyl-L-proline and its benzyl ester Journal of the American Chemical Society, 99 (4). pp. 1251-1256. ISSN 0002-7863 Shamala, N. ; Row, T. N. G. ; Venkatesan, Kailasam (1976) Crystal and molecular structure of allo-4-hydroxy-L-proline dihydrate Acta Crystallographica Section B: Structural Science, B32 . pp. 3267-3270. ISSN 0108-7681 Guru Row, Tayur N. ; Venkatesan, Kailasam (1976) Crystal and molecular structure of 15-bromolongibornane-8,9-dione Journal of Chemical Society, Perkin Transactions 2, 2 (14). pp. 1716-1719. ISSN 0300-9580 Narasimhamurthy, Mathur R. ; Venkatesan, Kailasam ; Winkler, Fritz (1976) Crystal and molecular structure of N-acetyl-L-glutamine Journal of Chemical Society, Perkin Transactions 2, 2 (6). pp. 768-771. ISSN 0300-9580 Ramani, R. ; Venkatesan, K. ; Marsh, R. E. ; Kung, W.-J. Hu (1976) Crystal structure and conformation of the cyclic dipeptide cyclo-L-prolyl-D-phenylalanyl Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 32 (4). pp. 1051-1056. ISSN 0567-7408 Marsh, R. E. ; Ramakumar, S. ; Venkatesan, K. (1976) The crystal and molecular structure of glycyl-DL-phenylalanine Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 32 (1). pp. 66-70. ISSN 0567-7408 Bhandary, K. K. ; Manohar, H. ; Venkatesan, K. (1976) The crystal and molecular structure of tris(antipyrine)trinitratoneodymium, Nd(NO3)3(C11H12ON2)3 Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 32 (3). pp. 861-867. ISSN 0567-7408 Guru Row, Tayur N. ; Venkatesan, Kailasam ; Sharma, Vijay K. ; Kasturi, Tirumalai R. (1975) Crystal and molecular structure of 8a-bromo-1,2,3,5,6,7,8,8a-octahydro-1,3-dioxoisoquinoline-4-carbonitrile Journal of Chemical Society, Perkin Transactions 2, 2 (14). pp. 1597-1600. ISSN 0300-9580 Bhandary, K. Krishna ; Manohar, Hattikudur ; Venkatesan, Kailasam (1975) Crystal and molecular structure of tris(dimethyl sulphoxide)trinitratoytterbium Journal of the Chemical Society Dalton Transactions (4). pp. 288-291. ISSN 1472-7773 Ramani, R. ; Venkatesan, K. ; Kung, W. J. ; Marsh, R. E. (1975) Crystal structure and conformation of the cyclic dipeptide: cyclo-(D-phenylanyl-L-prolyl) Acta Crystallographica - Section A: Crystal Physics, Diffraction, Theoretical and General Crystallography, A31 . s48. ISSN 0567-7394 Pattabhi, Vasantha ; Venkatesan, K. ; Hall, S. R. (1974) Crystal and molecular structure of glycyl-L-ieucine Journal of Chemical Society, Perkin Transactions 2, 2 (14). pp. 1722-1727. ISSN 0300-9580 Pattabhi, Vasantha ; Venkatesan, K. (1974) Crystal and molecular structure of pyroglutamic acid (5-oxoproline) Journal of Chemical Society, Perkin Transactions 2, 2 (10). pp. 1085-1089. ISSN 0300-9580 Pattabhi, Vasantha ; Venkatesan, K. (1973) Stereochemistry of benzophenone derivatives: crystal and molecular structure of 3,3'-dibromobenzophenone Journal of Chemical Crystallography, 3 (1). pp. 25-35. ISSN 1074-1542 Naganathan, P. S. ; Venkatesan, K. (1972) Crystal and molecular structure of glycyl-L-alanine hydrochloride Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 28 (2). pp. 552-556. ISSN 0567-7408 Balasubramanian, R. ; Lakshminarayanan, A. V. ; Sabesan, M. N. ; Tegoni, G. ; Venkatesan, K. ; Ramachandran, G. N. (1971) Studies on the conformation of amino acids. VI. Conformation of the proline ring as observed in crystal structures of amino acids and peptides International Journal of Protein Research, 3 (1-4). pp. 25-33. ISSN 0020-7551 Sabesan, M. N. ; Venkatesan, K. (1971) Crystal structure of L-prolyl-L-phenylalanine-o-methoxy hydrobromide Zeitschrift fur Kristallographie, 134 (3-4). pp. 230-242. ISSN 0044-2968 Sabesan, M. N. ; Venkatesan, K. (1971) Refinement of the crystal structure of tosyl-L-prolyl-L-hydroxyproline monohydrate Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 27 (10). pp. 1879-1883. ISSN 0567-7408 Venkatesan, K. ; Dale, D. ; Hodgkin, Dorothy Crowfoot ; Nockolds, C. E. ; Moore, F. H. ; O'Connor, B. H. (1971) The structure of vitamin B12. IX. The crystal structure of cobyric acid, factor V 1 a Proceedings of the Royal Society of London - Series A: Mathematical and Physical Sciences, 323 (1555). pp. 455-480. ISSN 0080-4630 Sabesan, M. N. ; Venkatesan, K. (1971) Crystal and molecular structure of 3-p-bromophenyl-1-nitroso-2-pyrazoline Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 27 (5). pp. 986-993. ISSN 0567-7408 Naganathan, P. S. ; Venkatesan, K. (1971) The crystal and molecular structure of L-citrulline hydrochloride Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 27 (6). pp. 1079-1085. ISSN 0567-7408 Naganathan, P. S. ; Venkatesan, K. (1971) The crystal and molecular structure of L-α,γ-diaminobutyric acid hydrochloride Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 27 (11). pp. 2159-2164. ISSN 0567-7408 Mallikarjunan, M. ; Rao, S. T. ; Venkatesan, K. ; Sarma, V. R. (1969) Crystal structure of L-threonyl-L-phenylalanine-p-nitrobenzyl ester hydrobromide Acta Crystallographica - Section B: Structural Crystallography & Crystal Chemistry, 25 (2). pp. 220-227. ISSN 0567-7408 Mazumdar, S. K. ; Venkatesan, K. ; Mez, H.-C. ; Donohue, J. (1969) The crystal structure of L-arginine hydrochloride Zeitschrift fur Kristallographie, 130 (1-6). pp. 328-339. ISSN 0044-2968 Ramachandran, G. N. ; Mazumdar, S. K. ; Venkatesan, K. ; Lakshminarayanan, A. V. (1966) Conformation of the arginine side-group and its variations Journal of Molecular Biology, 15 (1). pp. 232-242. ISSN 0022-2836 Ramaseshan, S. ; Venkatesan, K. ; Mani, N. V. (1957) The use of anomalous scattering for the determination of crystal structures-KMnO4 Proceedings of the Indian Academy of Sciences, Section A, 46 (2). pp. 95-111. ISSN 0370-0089 Venkatesan, K. (1957) The crystal structure of ammonium perchlorate-NH4ClO4 Proceedings of the Indian Academy of Sciences, Section A, 46 (2). pp. 134-142. ISSN 0370-0089 |