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Number of items: 53. Kasturi, Tirumalai R. ; Palle, Pragnacharyulu V. P. ; Sattigeri, Jitendra A. ; Kumar, Kaipenchery A. (1996) Novel reduction (Zn-AcOH) of DDHQ esters. A new route to tropone synthesis Tetrahedron, 52 (5). pp. 1707-1712. ISSN 0040-4020 Kasturi, T. R. ; Damodaran, K. M. (1996) Studies in oxasteroids-I : synthesis of 3-cyano-3-methyl-7-methoxychroman-4-one and the structure of an "abnormal" product Tetrahedron, 22 (3). pp. 1027-1032. ISSN 0040-4020 Kasturi, Tirumalai R. ; Sattigeri, Jitendra A. ; Pragnacharyulu, Palle V. P. ; Cameroon, Thomas S. ; Pradeep, Baghchi (1995) Reaction of spironaphthalenones with hydroxylamine hydrochloride: part IV Tetrahedron, 51 (10). pp. 3051-3060. ISSN 0040-4020 Kasturi, Tirumalai R. ; Arumugam, Subramaniam (1994) Potassamide induced in situ benzylation of 5, 6-dihydroisoquinolines: structure of novel products Tetrahedron, 50 (46). pp. 13277-13284. ISSN 0040-4020 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 Kasturi, Tirumalai R. ; Mandal, Asish B. ; Sumana, Bangalore G. ; Rajasekhar, Betagiri (1993) One pot synthesis of polycyclic oxygen aromatics. Part IV Reaction of THP ether of 2-bromomethyl phenols Tetrahedron, 49 (13). pp. 2751-2760. ISSN 0040-4020 Kasturi, Tirumalai R. ; Arumugam, Subramaniam ; Mathew, Lata (1993) Potassamide induced in situ alkylation of 5, 6-dihydroisoquinolines: structure of products Tetrahedron, 49 (11). pp. 2345-2352. ISSN 0040-4020 Kasturi, Tirumalai R. ; Kumar, Kaipenchery A. ; Pragnacharyulu, Palle V. P. (1993) Reaction of spironaphthalenones with hydroxylamine: Part II. Structure of product in the reaction of 1'-substituted spironaphthalenone Tetrahedron, 49 (1). pp. 125-134. ISSN 0040-4020 Kasturi, Tirumalai R. ; Jayaram, Srirangam K. ; Pragnacharyulu, Palle V. P. ; Sattigeri, Jitendra A. ; Reddy, Gowravaram M. ; Kumar, Kaipenchery A. (1993) Reaction of spironaphthalenones with hydroxylamine: Part I. A reinvestigation of the mechanism Tetrahedron, 49 (1). pp. 113-124. ISSN 0040-4020 Kasturi, Tirumalai R. ; Sattigeri, Jitendra A. (1992) Dispironaphthalenones and spironaphthalenones as novel dehydrogenation reagents Tetrahedron, 48 (31). pp. 6439-6444. ISSN 0040-4020 Kasturi, Tirumalai R. ; Pragnacharyulu, Palle V. P. ; Reddy, Gouravaram M. ; Jayaram, Srirangam K. ; Singh, Sheo B. (1992) Oxidation of spiroketones with DDQ - synthesis of tropone derivatives and DDHQ diesters Tetrahedron, 48 (26). pp. 5481-5496. ISSN 0040-4020 Kasturi, Tirumalai R. ; Mandal, Asish B. ; Prasad, Ganesha K. B. ; Raju, Gonibella J. (1992) Photoisomerization of spironaphthalenones and its mechanism Tetrahedron, 48 (40). pp. 8841-8848. ISSN 0040-4020 Kasturi, Tirumalai R. ; Arumugam, Subramaniam ; Mathew, Lata ; Jayaram, Srirangam K. ; Dastidar, Parthasarathi ; Guru Row, Tayur N. (1992) Reaction of 4-cyano-1,3-dihydroxy-5,6,7,8-tetrahydroisoquinolines with vilsmeier reagent: structure and mechanism of formation of [2,7]naphthyridines Tetrahedron, 48 (31). pp. 6499-6510. ISSN 0040-4020 Kasturi, Tirumalai R. ; Pragnacharyulu, Palle V. P. (1992) Reduction of DDHQ and TCC esters by NaBH4-its specificity in the presence of alkyl/aryl esters Tetrahedron, 48 (21). pp. 4431-4438. ISSN 0040-4020 Kasturi, T. R. ; Pragnacharyulu, P. V. P. ; Amrutha Reddy, P. (1991) Tandem Michael reaction. Synthesis of bridged diketones Journal of Organic Chemistry, 56 (19). pp. 5564-5566. ISSN 0022-3263 Kasturi, T. R. ; Mandal, A. B. ; Amruta Reddy, P. ; Ganesha Prasad, K. B. ; Rajasekhar, B. (1991) One pot synthesis of polycyclic oxygen aromatics. Part III Mechanism of formation Tetrahedron, 47 (28). pp. 5245-5258. ISSN 0040-4020 Kasturi, T. R. ; Amruta Reddy, P. ; Mandal, A. B. ; Sivaramakrishnan, R. ; Rajasekhar, B. ; Ganesha Prasad, K. B. ; Radhakrishnan, R. ; Viswamitra, M. A. (1990) One pot synthesis of polycyclic oxygen aromatics Tetrahedron, 46 (20). pp. 7047-7058. ISSN 0040-4020 Kasturi, T. R. ; Chandra, R. (1988) Rearrangement of homobrendane derivatives. Total syntheses of racemic copacamphor, ylangocamphor, and their homologs Journal of Organic Chemistry, 53 (14). pp. 3178-3183. ISSN 0022-3263 Saibaba, R. ; Banerjee, D. K. ; Kasturi, T. R ; Mukherjee, J. (1987) A new synthesis of (±) and (+)-2,6,7, 7a-tetrahydro-1β-hydroxy-4-formyl-7aβ-methylindenes Proceedings of the Indian Academy of Sciences - Chemical Sciences, 99 (5-6). pp. 327-339. ISSN 0253-4134 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 Banerjee, D. K. ; Kasturi, T. R. ; Sai Baba, R. ; Sarkar, A. (1985) Investigations towards the synthesis of a CD-steroid intermediate Proceedings of the Indian Academy of Sciences - Chemical Sciences, 95 (5-6). pp. 439-446. ISSN 0253-4134 Kasturi, T. R. (1984) Structures of some unusual types of organic compounds Proceedings of the Indian Academy of Sciences - Chemical Sciences, 93 (4). pp. 531-545. ISSN 0253-4134 Kasturi, T. R. ; Ganesha Prasad, K. B. ; Raju, G. J. ; Ramamurthy, V. (1984) Novel photoisomerization of spirodienones Tetrahedron Letters, 25 (21). pp. 2253-2254. ISSN 0040-4039 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 Banerjee, D. K. ; Kasturi, T. R. ; Sarkar, A. (1983) Chiral synthesis of optically active S(+)-2,6,7,7a-tetrahydro-1β-hydroxy-4-formyl-7aβ-methylindene Proceedings of the Indian Academy of Sciences - Chemical Sciences, 92 (2). pp. 181-187. ISSN 0253-4134 Sarkar, A. ; Jois, H. R. Y. ; Kasturi, T. R. ; Dasgupta, D. (1982) On the mechanism of chiral aldol cyclization reaction Proceedings of the Indian Academy of Sciences - Chemical Sciences, 91 (6). pp. 475-481. ISSN 0253-4134 Kasturi, T. R. ; Madhava Reddy, S. ; Murthy, Parvathi S. (1982) 1H and 13C NMR spectral studies of C-2 substituted isomeric exo-and endo-5-methyl-bicyclo [3.2.1] octane-6, 8-diones Organic Magnetic Resonance, 20 (1). pp. 42-50. ISSN 0030-4921 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 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 Kasturi, T. R. ; Krishnan, Lalitha (1981) A total synthesis of 4-cyano-1, 3-dimethoxy-2-azaestra-1, 3, 5 (10)-trien-17β-ol and its configuration assignment Proceedings of the Indian Academy of Sciences - Chemical Sciences, 90 (4). pp. 281-290. ISSN 0253-4134 Kasturi, Tirumalai R. ; Raju, Gonibella J. ; Ramamurthy, Vaidhyanathan (1981) Photoreactions of dispiro{naphthalene-1,2'-naphtho[2,1-b]pyran-3',1"-naphthalene}-2(1H), 2"(1"H)-dione. A novel case of β-C-C cleavage in an enone Journal of the Chemical Society - Series Chemical Communications, 1981 (11). pp. 557-559. ISSN 0022-4936 Kasturi, T. R. ; Krishnan, Lalitha (1980) Amide catalysed facile isomerization of 5, 6-dihydroisoquinolines: synthesis of stable 1, 2-dihydroisoquinolines Tetrahedron Letters, 21 (9). pp. 865-866. 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 Kasturi, T. R. ; Sivaramakrishnan, R. (1978) Reactions of tetrahalogeno-o-benzoquinones-Part VII. Reaction of alkyl-2-naphthols with tetrachloro-o-benzoquinone Proceedings of the Indian Academy of Sciences - Chemical Sciences, 87 (3). pp. 181-187. ISSN 0253-4134 Kasturi, T. R. ; Sivaramakrishnan, R. (1977) Reactions of tetrahalogeno-o-benzoquinones Part VI: reactions of tetrachloro-o-benzoquinone with methyl naphthols-formation of naphthoquinone methides Proceedings of the Indian Academy of Sciences, Section A, 86 (3). pp. 309-316. ISSN 0370-0089 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 Kasturi, T. R. ; Sharma, V. K. (1975) Knoevenagel condensation of 2-carbethoxycyclohexanone and malononitrile: synthesis of 4-cyano-3-ethoxy-1-hydroxy-5,6,7,8-tetrahydroisoquinoline, an isomer of the abnormal product Tetrahedron, 31 (6). pp. 527-531. ISSN 0040-4020 Kasturi, T. R. ; Ramachandra, R. ; Damodaran, K. M. (1974) Acid-catalysed cyclisation of 2-methyl-2 [3-(2, 4-dimethoxyphenyl)-5-methoxypent-2-enyl]-cyclopentane-1, 3-dione: structure of a novel product Tetrahedron, 30 (18). pp. 3471-3476. ISSN 0040-4020 Kasturi, T. R. ; Abraham, E. M. ; Prasad, R. S. (1974) Synthesis of 4,6-(and 5,7-) dimethoxy-3,3-dimethyl-1-indanones Tetrahedron, 30 (16). pp. 2887-2890. ISSN 0040-4020 Kasturi, T. R. ; Sharma, V. K. ; Srinivasan, A. ; Subrahmanyam, G. (1973) Nitrile ketenimine tautomerism in substituted alkylidene malononitriles and alkylidene cyanoacetates: a characteristic UV absorption band Tetrahedron, 29 (24). pp. 4103-4109. ISSN 0040-4020 Kasturi, T. R. ; Govindan, G. ; Damodaran, K. M. ; Subrahmanyam, G. (1973) Heterocyclic steroids-VII: rearrangement of 1-diethylamino-5-(m-methoxyphenoxy)-pent-2-yne Tetrahedron, 29 (5). pp. 715-718. ISSN 0040-4020 Pettit, George R. ; Kasturi, Tirumalai R. (1970) Steroids and related natural products. 63. 17β-acetoxy-4-oxa-2-androstene Journal of Medicinal Chemistry, 13 (6). pp. 1244-1245. ISSN 0022-2623 Pettit, George R. ; Kasturi, Tirumalai R. ; Knight, John C. ; Occolowitz, John (1970) Steroids and related natural products. LV. Bufadienolides. 8 12(13.far.14)abeo skeletal rearrangements Journal of Organic Chemistry, 35 (5). pp. 1404-1410. ISSN 0022-3263 Pettit, George R. ; Kasturi, Tirumalai R. ; Knight, John C. ; Jaeggi, Knut A. (1970) Steroids and related natural products. LVI. Bufadienolides. 9. Isobufalin Journal of Organic Chemistry, 35 (5). pp. 1410-1414. ISSN 0022-3263 Kasturi, T. R. ; Damodaran, K. M. (1969) Acylation and alkylation of 1, 3-dimethoxybenzene in polyphosphoric acid Canadian Journal of Chemistry, 47 (9). pp. 1529-1535. ISSN 0008-4042 Kasturi, T. R. ; Raghavan, E. ; Sukh Dev, ; Banerjee, D. K. (1966) Dehydrogenation studies with tetrachloro-o-benzoquinone: structure of a novel dehydrogenation-addition product of abietic acid Tetrahedron, 22 (2). pp. 745-752. ISSN 0040-4020 Kasturi, T. R. ; Srinivasan, A. (1966) A revised structure for the condensation product of 2-carbethoxycyclopentanone and ethyl cyanoacetate Tetrahedron, 22 (8). pp. 2575-2580. ISSN 0040-4020 Pettit, G. R. ; Hofer, P. ; Bowyer, W. J. ; Kasturi, T. R. ; Bansal, R. C. ; Kadunce, R. E. ; Green, B. (1963) Steroids and related natural products-XVII: conversion of lanosterol to 14α-methyl steroids Tetrahedron, 19 (7). pp. 1143-1152. ISSN 0040-4020 Pettit, G. R. ; Green, B. ; Kasturi, T. R. ; Ghatak, U. R. (1962) Steroids and related natural products-X: reduction of lactones Tetrahedron, 18 (8). pp. 953-958. ISSN 0040-4020 Pettit, George R. ; Kasturi, T. R. (1961) Steroids and related natural products. VII. Boron trifluoride etherate-lithium aluminum hydride reduction of smilagenin acetate Journal of Organic Chemistry, 26 (11). pp. 4553-4556. ISSN 0022-3263 Pettit, George R. ; Kasturi, T. R. (1961) Steroids and related natural products. VIII. Synthesis of oxasteroids Journal of Organic Chemistry, 26 (11). pp. 4557-4563. ISSN 0022-3263 Pettit, George ; Ghatak, Usha ; Green, Brian ; Kasturi, T. ; Piatak, David (1961) Steroids and related natural products. IV. Reduction of lactones to cyclic ethers Journal of Organic Chemistry, 26 (5). pp. 1685-1686. ISSN 0022-3263 Banerjee, D. K. ; Kasturi, T. R. (1957) Hydrolysis of ethyl 4-(1-carbethoxy-2-oxocyclopentyl)-2-pentenoate and ethyl 4-(1-carbethoxy-2-oxocyclopentyl)-valerate Journal of the American Chemical Society, 79 (4). pp. 926-928. ISSN 0002-7863 |