Items where Author is "Balasubramanian, K. K."

Article

Sankar, Ulaganathan ; Surya Kumar, Ch. Venkata ; Subramanian, V. ; Balasubramanian, K. K. ; Mahalakshimi, S. (2016) Stereo-, regio-, and chemoselective [3 + 2]-cycloaddition of (2E,4E)-ethyl 5-(phenylsulfonyl)penta-2,4-dienoate with various azomethine ylides, nitrones, and nitrile oxides: synthesis of pyrrolidine, isoxazolidine, and isoxazoline derivatives and a computational study The Journal of Organic Chemistry, 81 (6). pp. 2340-2354. ISSN 0022-3263

Karthikeyan, P. ; Meena Rani, A. ; Saiganesh, R. ; Balasubramanian, K. K. ; Kabilan, S. (2009) Synthesis of 5,6-dihydrobenz[c]acridines: a comparative study Tetrahedron, 65 (4). pp. 811-821. ISSN 0040-4020

Karthikeyan, Subramanian Vedhanarayanan ; Perumal, Subbu ; Balasubramanian, K. K. (2007) A novel three-component tandem protocol for the regioselective synthesis of 1-(2-arylmethyl-5-aryl-3-thienyl)pyrrolidines and piperidines Tetrahedron Letters, 48 (35). pp. 6133-6136. ISSN 0040-4039

Rajesh, K. ; Somasundaram, M. ; Saiganesh, R. ; Balasubramanian, K. K. (2007) Bromination of deactivated aromatics: a simple and efficient method Journal of Organic Chemistry, 72 (15). pp. 5867-5869. ISSN 0022-3263

Srikrishna, A. ; Jagadeeshwar Reddy, T. ; Palani, N. ; Balasubramanian, K. K. (2003) A stereospecific approach to cis-anti-cis triquinanes Synthetic Communications, 33 (9). pp. 1537-1544. ISSN 0039-7911

Abdul Ajees, A. ; Palani, N. ; Balasubramanian, K. K. (2002) 2-(exo-Tricyclo[5.2.1.0^2,6]deca-4,8-dien-3-endo-yl)acetaldehyde 2,4-dinitrophenylhydrazone Acta Crystallographica Section C: Crystal Structure Communications, 58 (7). pp. o433-o435. ISSN 0108-2701

Sobhana Babu, B. ; Balasubramanian, K. K. (2000) A facile synthesis of a chiral furan diol from glycals catalyzed by indium trichloride Journal of Organic Chemistry, 65 (13). pp. 4198-4199. ISSN 0022-3263

Sobhana Babu, B. ; Balasubramanian, K. K. (1999) Lithium tetrafluoborate catalyzed Ferrier Rearrangement - facile synthesis of alkyl 2,3-unsaturated glycopyranosides Synthetic Communications, 29 (24). pp. 4299-4305. ISSN 0039-7911

Santosh, T. R. ; Balasubramanian, K. K. ; Lalitha, K. (1999) Enhancement of β-glucosidase and β-galactosidase of Trigonella foenum-graecum by exposure to the allelochemical mimosine Journal of Agricultural and Food Chemistry, 47 (2). pp. 462-467. ISSN 0021-8561

Sobhana Babu, B. ; Balasubramanian, K. K. (1999) Lithium tetrafluoroborate - in acetonitrile (LTAN) catalyzed Ferrier rearrangement - facile synthesis of alkyl 2,3-unsaturated glycopyranosides Synlett, 1999 (8). pp. 1261-1262. ISSN 0936-5214

Palani, N. ; Rajamannar, T. ; Balasubramanian, K. K. (1997) Acid catalyses fragmentation of 7,7-dimethoxy norborneols. A rapid entry to 5-substituted 2-cyclopentenones Synlett, 1997 (1). pp. 59-60. ISSN 0936-5214

Ramana, D. V. ; Balasubramanian, K. K. ; Sudha, M. S. ; Balasubramanian, T. (1995) Electron-impact-induced 3,3-sigmatropic rearrangement and cyclization in phenyl allenylmethyl ethers Journal of the American Society for Mass Spectrometry, 6 (3). pp. 195-201. ISSN 1044-0305

Bhuvaneswari, N. ; Venkatachalam, C. S. ; Balasubramanian, K. K. (1994) Novel electrochemical route to 2-(α-alkoxyallyl)phenols - cathodic eliminative ring opening reaction Tetrahedron Letters, 35 (9). pp. 1409-1412. ISSN 0040-4039

Balasubramanian, T. ; Balasubramanian, K. K. (1994) Radical cyclisation of o-haloaryl allenylmethyl ethers and amines: synthesis of 3-ethenyl-2,3-dihydrobenzofurans and 3-ethenyl-2,3-dihydroindoles Synlett, 1994 (11). pp. 946-948. ISSN 0936-5214

Booma, C. ; Balasubramanian, K. K. (1993) A novel tandem ferrier rearrangement-cyclisation. Synthesis of chiral pyrano[2,3-b][1]benzophyran system Tetrahedron Letters, 34 (42). pp. 6757-6760. ISSN 0040-4039

Bhuvaneswaria, N. ; Balasubramanian, K. K. ; Venkatachalam, C. S. (1993) Proton-transfer reactions in the cathodic reduction of bromohydrins in neutral aprotic media Journal of Electroanalytical Chemistry, 354 (1-2). pp. 223-230. ISSN 0022-0728

Sumathi, T. ; Balasubramanian, K. K. (1993) An expedient route to spirobenzofurans Tetrahedron Letters, 34 (24). pp. 3915-3918. ISSN 0040-4039

Ariamala, G. ; Sumathi, T. ; Balasubramanian, K. K. (1992) Photochemical studies on 3,4-epoxy-3,4-dihydro-2H-1-benzopyrans Proceedings of the Indian Academy of Sciences - Chemical Sciences, 104 (6). pp. 753-757. ISSN 0253-4134

Ramesh, N. G. ; Balasubramanian, K. K. (1992) Reaction of 2,3-unsaturated aryl glycosides with Lewis acids : a convenient entry to C-aryl glycosides Tetrahedron Letters, 33 (21). pp. 3061-3064. ISSN 0040-4039

Booma, C. ; Balasubramanian, K. K. (1992) Unexpected C₃ arylation of 3,4,6-tri-O-methyl-2-C-formylglycals : a simple route to 3-C-arylhexoses Tetrahedron Letters, 33 (21). pp. 3049-3052. ISSN 0040-4039

Sumathi, T. ; Balasubramanian, K. K. (1992) A photochemical entry to spirobenzofurans Tetrahedron Letters, 33 (16). pp. 2213-2216. ISSN 0040-4039

Bhuvaneswari, N. ; Venkatachalam, C. S. ; Balasubramanian, K. K. (1992) Selective reduction of the carbon-bromine bond in bromo epoxides Tetrahedron Letters, 33 (11). pp. 1499-1502. ISSN 0040-4039

Santhosh, K. C. ; Balasubramanian, K. K. (1991) A facile synthesis of 3-alkylchromanones and chromones Tetrahedron Letters, 32 (52). pp. 7727-7730. ISSN 0040-4039

Dhanalekshmi, S. ; Balasubramanian, K. K. ; Venkatachalam, C. S. (1991) Electrochemical behaviour of 3,3-sigmatropic systems-anodic oxidation of aryl allyl ethers and aryl propargyl ethers Tetrahedron Letters, 32 (51). pp. 7591-7592. ISSN 0040-4039

Balasubramanian, T. ; Balasubramanian, K. K. (1991) Mercury(II) trifluoroacetate-mediated cyclisation of aryl allenic ethers Tetrahedron Letters, 32 (45). pp. 6641-6644. ISSN 0040-4039

Ramesh, N. G. ; Balasubramanian, K. K. (1991) Vilsmeier-haack reaction of glycals-a short route to C-2-formyl glycals Tetrahedron Letters, 32 (31). pp. 3875-3878. ISSN 0040-4039

Sumathi, T. ; Balasubramanian, K. K. (1990) A photochemical route to 2-alkenyl- and 2-ethynylbenzofurans Tetrahedron Letters, 31 (26). pp. 3775-3778. ISSN 0040-4039

Saiganesh, R. ; Balasubramanian, K. K. ; Venkatachalam, C. S. (1989) Electrochemical investigations on β-chlorovinylaldehydes in aprotic media Proceedings of the Indian Academy of Sciences - Chemical Sciences, 101 (6). pp. 473-478. ISSN 0253-4134

Saiganesh, R. ; Balasubramanian, K. K. ; Venkatachalam, C. S. (1989) Electrohydrodimerization of 4-chloro-3-formyl-2H(1)-benzopyrans in ethanolic solutions: a comparative study Journal of Electroanalytical Chemistry, 262 (1-2). pp. 221-234. ISSN 0022-0728

Ariamala, G. ; Balasubramanian, K. K. (1989) Photochemical behaviour of 3.4-epoxyprecocene-I and related epoxychromans Tetrahedron, 45 (12). pp. 3769-3774. ISSN 0040-4020

Ariamala, G. ; Balasubramanian, K. K. (1989) Thermal behaviour of aryl γ-haloprcpargyl ethers Tetrahedron, 45 (1). pp. 309-318. ISSN 0040-4020

Saiganesh, R. ; Balasubramanian, K. K. ; Venkatachalam, C. S. (1989) A selective cathodic reduction of β-chlorovinylimines in N,N' dimethylformamide Tetrahedron Letters, 30 (13). pp. 1711-1714. ISSN 0040-4039

Rajamannar, T. ; Balasubramanian, K. K. (1988) Facile enolate alkylation of norbornenones Tetrahedron Letters, 29 (27). pp. 3351-3354. ISSN 0040-4039

Ariamala, G. ; Balasubramanian, K. K. (1988) Radical cyclisation : synthesis of 4H-furo(3,2-c)-1-benzopyrans Tetrahedron Letters, 29 (27). pp. 3335-3338. ISSN 0040-4039

Ariamala, G. ; Balasubramanian, K. K. (1988) A simple route for the synthesis of 4-chlorochromenes and chroman-4-ones Tetrahedron Letters, 29 (28). pp. 3487-3488. ISSN 0040-4039

Vijayalakshmi, J. ; Rajan, S. S. ; Srinivasan, R. ; Balasubramanian, K. K. (1987) Structure of 2,8,11a-trimethylpterocarpan Acta Crystallographica Section C: Crystal Structure Communications, 43 (5). pp. 905-907. ISSN 0108-2701

Ramana, D. V. ; Balasubramanian, K. K. ; Srinivas, R. ; Saiganesh, R. ; Swaminathan, K. (1987) Electron impact induced cyclizations in 4-chioro-3-(N-aryliminomethyl) (2H) benzopyrans and benzothiopyrans Organic Mass Spectrometry, 22 (1). pp. 17-22. ISSN 0030-493X

Sunitha, K. ; Balasubramanian, K. K. (1987) A reinvestigation of the claisen rearrangement of methyl γ-aryloxycrotonates a convenient synthesis of 3-ethylidenebenzofuran-2(3H)-ones Tetrahedron, 43 (14). pp. 3269-3278. ISSN 0040-4020

Rajamannar, T. ; Balasubramanian, K. K. (1986) Regioselective reductive: elimination of aryloxymethylethynylcarbinols - synthesis of aryloxymethylallenes Tetrahedron Letters, 27 (32). pp. 3777-3780. ISSN 0040-4039

Sunitha, K. ; Balasubramanian, K. K. ; Rajagopalan, K. (1985) Thermal rearrangement of α-(aryloxy)methylacrylic acids: a facile synthesis of 3-methylcoumarins Journal of Organic Chemistry, 50 (9). pp. 1530-1531. ISSN 0022-3263

Bindu Madhavan, G. V. ; Balasubramanian, K. K. (1985) Studies in claisen rearrangement - novel thermal and mercuric trifluroacetate induced transformations of 2,4-di(N-aryl)amino-1,3,5-triazin-6yl-prop-2-y Tetrahedron, 41 (1). pp. 111-120. ISSN 0040-4020

Gopalana, B. ; Rajagopalan, K. ; Sunitha, K. ; Balasubramanian, K. K. (1985) Studies in claisen rearrangement : novel thermal transformation of α-aryloxymethylacrylic acids and their derivatives Tetrahedron, 41 (15). pp. 3153-3159. ISSN 0040-4020

Sunitha, K. ; Balasubramanian, K. K. ; Rajagopalan, K. (1985) Synthesis of 3-substituted coumarins via sequential pericyclic transformations of δ-aryloxymethylacrylic acids and enophiles Tetrahedron Letters, 26 (36). pp. 4393-4394. ISSN 0040-4039

Krishnamoorthy, T. V. ; Rajagopalan, K. ; Balasubramanian, K. K. (1985) Trifluoroacetic acid catalyzed and thermal rearrangement of α- aryloxymethyl cinnamic acids Tetrahedron Letters, 26 (14). pp. 1747-1748. ISSN 0040-4039

Ramakanth, S. ; Narayanan, K. ; Balasubramanian, K. K. (1984) On the claisen rearrangement of 1,4-diaryloxy-2-butynes Tetrahedron, 40 (21). pp. 4473-4481. ISSN 0040-4020

Sunitha, K. ; Balasubramanian, K. K. ; Rajagopalan, K. (1984) A new route to the synthesis of 3-methylenecoumarins-via Lewis acid catalyzed rearrangement of methyl α-aryloxymethylacrylates Tetrahedron Letters, 25 (29). pp. 3125-3126. ISSN 0040-4039

Ramakanth, S. ; Narayanan, K. ; Balasubramanian, K. K. (1984) An unexpected isomerisation of 1,4-diaryloxy-2-butynes to z,z-1,4-diaryloxy-1,3-butadienes-potential dienes for diels-alder reaction Tetrahedron Letters, 25 (1). pp. 103-104. ISSN 0040-4039

Roa, Usha ; Balasubramanian, K. K. (1983) Claisen rearrangement of aryl propargyl ethers in poly(ethylene glycol)- a remarkable substituent and solvent effect Tetrahedron Letters, 24 (45). pp. 5023-5024. ISSN 0040-4039

Selvaraj, S. ; Sanjeevi Babu, K. G. ; Balasubramanian, K. K. ; Rajagopalan, K. (1983) Studies in claisen rearrangements a novel oxidative rearrangement of 3-aryloxymethyl-(4H)-benzopyrans Tetrahedron Letters, 24 (24). pp. 2509-2512. ISSN 0040-4039

Balasubramanian, K. K. ; Selvaraj, S. (1980) Novel reaction of o-phenolic Mannich bases with α-chloroacrylonitrile Journal of Organic Chemistry, 45 (18). pp. 3726-3727. ISSN 0022-3263

Balasubramanian, K. K. ; Selvaraj, S. (1980) Studies in phenolic mannich bases - reaction with acetylenes Tetrahedron Letters, 21 (9). pp. 851-852. ISSN 0040-4039

Balasubramanian, K. K. ; Selvaraj, S. (1980) Studies on o-Quinonemethides; Part IV. Alkylation of phenolic mannich bases with aryl phenacyl sulfones Synthesis, 1980 (2). pp. 138-139. ISSN 0039-7881

Balasubramanian, K. K. ; Selvaraj, S. ; Venkataramani, P. S. (1980) Trimerisation of aryl ethynyl ketones Synthesis, 1980 (1). pp. 29-30. ISSN 0039-7881

Balasubramanian, K. K. ; Bundumadhavan, G. V. ; Udupa, M. R. ; Krebs, B. (1980) A novel thermal transformation of 2,4-di(N-aryl)amino-1,3,5-triazin-6-yl prop-2-ynyl ethers Tetrahedron Letters, 21 (49). pp. 4731-4734. ISSN 0040-4039

Kumar, G. ; Rajagopalan, K. ; Swaminathan, S. ; Balasubramanian, K. K. (1979) An interesting fragmentation during the thermoiysis of azido isoxazoles Tetrahedron Letters, 20 (48). pp. 4685-4686. ISSN 0040-4039

Pillai, T. Perumal ; Rajagopalan, K. ; Gopalan, B. ; Swaminathan, S. ; Balasubramanian, K. K. (1978) Synthesis and rearrangement of α-arylaminomethylacrylic esters Synthesis, 1978 (7). pp. 539-540. ISSN 0039-7881

Gopalan, B. ; Rajagopalan, K. ; Swaminathan, S. ; Balasubramanian, K. K. (1976) Studies in Thio-Claisen rearrangement; a facile synthesis of Thiochroman-3-carboxylic acids Communication, 6 . pp. 409-411. ISSN 1189-3788

Gopalan, B. ; Kajagopalan, K. ; Swaminathan, S. ; Balasubramanian, K. K. (1975) Studies in Claisen rearrangement a novel transformation of δ-aryloxymethyl acrylic acid Tetrahedron Letters, 16 (18). pp. 1507-1508. ISSN 0040-4039

Gopalan, B. ; Rajagopalan, K. ; Swaminathan, S. ; Balasubramanian, K. K. (1975) A new synthesis of 3-methylcoumarins Communication, 9 . pp. 599-600. ISSN 1189-3788

Stevens, Calvin L. ; Balasubramanian, K. K. ; Bryant, Charles P. ; Filippi, Jean B. ; Pillai, P. Madhavan (1973) Synthesis and chemistry of 4-amino-4,6-dideoxy sugars. V. Synthesis of 4-amino-4,6-dideoxy-D-allose derivatives Journal of Organic Chemistry, 38 (25). pp. 4311-4318. ISSN 0022-3263

Majumdar, K. C. ; Thyagarajan, B. S. ; Balasubramanian, K. K. (1973) Studies in the claisen rearrangement. Part XII. Synthesis of benzofuro[3,2-c] [l]-6a,lladihydro-lla-methylbenzopyrans from 1,4-diaryloxy-2-butynes Journal of Heterocyclic Chemistry, 10 (2). pp. 159-164. ISSN 0022-152X

Srinivasan, K. ; Srinivasan, K. G. ; Balasubramanian, K. K. ; Swaminathan, S. (1973) A new synthesis of 5-arylthieno[2,3-b]pyrroles and 5-arylthieno [3,2-b]pyrroles Communication, 5 . pp. 313-315. ISSN 1189-3788

Thyagarajan, B. S. ; Balasubramanian, K. K. ; Bhima Rao, R. (1967) Studies in claisen rearrangement-IV : 4-phenoxymethyl-Δ³-chromene as an intermediate in the formation of 6H-benzofuro(3·2-c)[1]-(11a,6a-dihydro-11a-methyl)benzopyran Tetrahedron, 23 (4). pp. 1893-1899. ISSN 0040-4020

Thyagarajan, B. S. ; Balasubramanian, K. K. ; Bhima Rao, R. (1967) Studies in claisen rearrangement-V : Ortho claisen rearrangement of symmetrical 1,4-diaryloxy-trans-2-butenes Tetrahedron, 23 (7). pp. 3205-3213. ISSN 0040-4020

Thyagarajan, B. S. ; Balasubramanian, K. K. ; Bhima Rao, R. (1967) Studies in claisen rearrangement-VI : Ortho Claisen rearrangement of dissymmetrical 1,4-diaryloxy-trans-2-butenes Tetrahedron, 23 (8). pp. 3533-3539. ISSN 0040-4020

Thyagarajan, B. S. ; Balasubramanian, K. K. ; Bhima Rao, R. (1965) Studies in claisen rearrangement-II : 2-butyn-1,4-diyl bis-(aryl ethers) Tetrahedron, 21 (9). pp. 2289-2295. ISSN 0040-4020