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  1. 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. A. Chandrasekhar, V. Ramkumar, S. Sankararaman Org. Biomol. Chem. 2018, 16, 8629-8638.
  2. A high voltage organic redox flow battery with redox couples O2/ tetrabutylammonium complex and tris(4-bromophenyl)amine as redox active species. V. Pasala, C. Ramachandra, S. Sankararaman, K. Ramanujam J. Electrochem. Soc. 2018, 165, A2696-A2702.
  3. 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. J. Organomet. Chem, 2018, 860, 1-8.
  4. Architecting Pyrediyne Nanowalls with Improved Inter-Molecular Interactions, Electronic Features and Transport characteristics. P. Prabakaran, S. Satapathy, E. Prasad, S. Sankararaman J. Mater. Chem. C, 2018, 6, 380-387.
  5. Selective Synthesis of 3‑Arylbenzo-1,2,3-triazin-4(3H)‑ones and 1‑Aryl-(1H)‑benzo-1,2,3-triazoles from 1,3-Diaryltriazenes through Pd(0) Catalyzed Annulation Reactions. A. Chandrasekhar, S. Sankararaman J. Org. Chem, 2017, 82, 11487-11493
  6. Synthesis of fluorescent 1,3-diarylpropynones by carbonylative alkynylation reaction using 1,2,3-triazol-5-ylidene-palladium-phosphine complexes as catalysts. A. Dasgupta, V. Ramkumar, S. Sankararaman Eur. J. Org. Chem., 2016, 4817-4823.
  7. Highly selective and modular synthesis of 3-aryl-4-arylethynyl-2H-chromen-2-ones from 2-iodoaryl 2-arylacetates via carbonylative Sonogashira coupling-intramolecular aldol cascade. A. Chandrasekhar, V. Ramkumar, S. Sankararaman Eur. J. Org. Chem., 2016, 4041 – 4049.
  8. 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. B. Sureshbabu, V. Ramkumar, S. Sankararaman J. Organomet. Chem., 2015, 799-800, 232-238.
  9. Synthesis and structures of (-) menthyl and (+) neomenthyl substituted enantio pure bis(1,2,3-triazol-5-ylidene)PdI2 complexes and PEPPSI type (1,2,3-triazol-5-ylidene) (pyridine)PdI2complexes. Comparison of catalytic activities for C-C coupling. A. Mohan, V. Ramkumar, S. Sankararaman, J. Organomet. Chem., 2015, 799-800, 115-121.
  10. Catalytic asymmetric hydrogenation using a [2.2]paracyclophane based chiral 1,2,3-triazol-5-ylidene–Pd complex under ambient conditions and 1 atmosphere of H2. A. Dasgupta, V. Ramkumar and S. Sankararaman, RSC Adv., 2015, 5, 21558-21561.
  11. Facile base-free in situ generation and palladation of mesoionic and normal N-heterocyclic carbenes at ambient conditions. B. Sureshbabu, V. Ramkumar and S. Sankararaman, Dalton Trans., 2014, 43,10710-10712.
  12. 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. S. Guchhait, K. Ghosh, B. Sureshbabu, V. Ramkumar, S. Sankararaman, J. Organomet. Chem., 2014, 768, 68-74.
  13. Isostructural 1D coordination polymers of Zn(II), Cd(II) and Cu(II) with phenylpropynoic acid and DABCO as organic linkers R. Saravanakumar, B. Varghese, S. Sankararaman, J. Mol. Struc. 2014, 1076, 280-284.
  14. Substituent effect on the formation of helical to layered hydrogen bond network in hydroxyl and carboxyl substituted 1-aryl-1H-1,2,3-triazoles. B. Sureshbabu, V. Ramkumar and S. Sankararaman, CrystEngComm, 2014, 16, 6098-6106.
  15. Synthesis and structural characterization of cis Isomer of 1,2,3-triazol-5-ylidene based palladium complexes. R. Saravanakumar, V. Ramkumar, S. Sankararaman, J. Orgmet. Chem., 2013, 736, 36-41.
  16. 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. Jeelani Basha Shaik,V. Ramkumar,B. Varghese,S. Sankararaman, Beilstein J. Org. Chem., 2013, 9, 698-704.
  17. Synthesis of dehydrobenzoannulenes with pyrene core. A. Joseph, G. Venkataramana, S. Sankararaman, J. Chem. Sci., 2012, 124, 597-607.
  18. 1,2,3-Triazolophanes—Cyclophanes with an Array of Molecular Structures and supramolecular Architectures. A. Mohan, S. Sankararaman, Israel J Chem., 2012, 52, 92-104.
  19. Synthesis and Structure of 1,4-Diphenyl-3-methyl-1,2,3-triazol-5-ylidene Palladium Complexes and Application in Catalytic Hydroarylation of Alkynes. R. Saravanakumar, V. Ramkumar, S. Sankararaman, Organometallics, 2011, 30, 1689-1694.
  20. 2,6-Bis(1-benzyl-1H-1,2,3-triazol-4-yl)pyridine and its octahedral copper complex. P. Daniel Raj, B. Varghese, S. Sankararaman, Acta Cryst., 2010, C66, m366-m370.
  21. Donor-acceptor substituted phenylethynyltriphenylenes – excited state intramolecular charge transfer, solvatochromic absorption and fluorescence emission. R. Nandy, S. Sankararaman, BeilsteinJ. Org. Chem., 2010, 6, 992-1001.
  22. Unusual fluorescene emission from ethynyltriphenylene substituted diacetylenic molecular hinge. Formation of intramolecular excimer. R. Nandy, S. Sankararaman, Org. Biomol. Chem., 2010, 8, 2260-2266.
  23. Palladium complexes with abnormal N-heterocyclic carbine ligands derived from 1,2,3-triazolium ions and their application in Suzuki coupling. T. Karthikeyan, S. Sankararaman, Tetrahedron Lett., 2009, 50, 5834-5837.
  24. Hydrogen-bond network in isomeric phenylenedipropynoic acids and their DABCO salts. Water mediated helical hydrogen bond motifs. R. Saravanakumar, B. Varghese, S. Sankararaman, CrystEngComm., 2009, 11, 337-346.
  25. Unusual fluorescence spectral response of 1-(4-N,N-dimethylaminophenylethynyl)- pyrene towards the thermotropic phase change in lipid bilayer membranes. U. Subuddhi, S. Haldar, S. Sankararaman, A. K. Mishra, J. Photochem. Photobiol. A. Chem., 2008, 200, 381-387.
  26. New pyrrolidine-triazole-based C2 symmetric organocatalysts and their utility in the asymmetric Michael reaction of β-nitrostyrenes and the synthesis of nitrochromenes. Karthikeyan, S. Sankararaman, Tetrahedron Asymmetry, 2008, 19, 2741-2745
  27. Conformational isomers from rotation of diacetylenic bond in an ethynylpyrene substituted molecular hinge. S. Sankararaman, G. Venkataramana, B. Varghese, J. Org. Chem. 2008, 73, 2405-2407.
  28. Synthesis and structure of cross-conjugated bis-dehydroannulenes with a Y-enediyne motif and different -topologies. A. Bandyopadhyay, B. Varghese, H. Hopf, S. Sankararaman, Chem. Eur. J.2007, 13, 3813-3821.
  29. Intramolecular -stacking interaction in a rigid molecular hinge substituted with 1-(pyrenylethynyl) units. R. Nandy, M. Subramoni, B. Varghese, S. Sankararaman, J. Org. Chem. 2007, 72, 938-944.
  30. 1,3,6,8-Tetraethynylpyrene and 1,3,6,8-tetrakis (trimethylsilylethynyl) pyrene: Photophysical properties in homogeneous media. T. Shyamala, S. Sankararaman, A. K. Mishra, Chem. Phys., 2006, 330, 469-477.
  31. Synthesis of 1,4-cyclohexadiene based acetylenic macrocycles using Cadiot-Chodkiewicz coupling. Structure of a tub-shaped tetrameric container. A. Bandyopadhyay, B. Varghese, S. Sankararaman, J. Org. Chem. 2006, 71, 4544-4548.
  32. Photophysical behaviour of 1-(4-N,N-dimethylaminophenylethynyl)pyrene (DMAPEPy) in homogeneous media. U. Subuddhi, S. Haldar, S. Sankararaman, A. K. Mishra, Photochem. Photobiol. Sci. 2006, 5, 459-466.
  33. Synthesis and spectroscopic investigation of aggregation through cooperative  and CH…O interactions in a novel pyrene octaaldehyde derivative. G. Venkataramana, S. Sankararaman, Org. Lett. 2006, 8, 2739-2742.
  34. Synthesis, absorption and fluorescence emission properties of 1,3,6,8-tetraethynyl- pyrene and its derivatives. G. Venkataramana, S. Sankararaman, Eur. J. Org. Chem. 2005, 4162-4166.
  35. Synthesis of 2,5-diethynyl substituted oxepins from trans-1,4-diethynylcyclohexa-2,5-diene-1,4-diols. A. Bandyopadhyay, S. Sankararaman, Tetrahedron Lett. 2005, 46, 3221-3224.
  36. Synthesis of shape persistent polyal dendrimers. Facile entry into polyene and polyyne Dendrimers. V. Narayanan, S. Sankararaman, H. Hopf, Eur. J. Org. Chem. 2005, 2740-2746.
  37. Synthesis of cyclophanes bearing 1,4-dioxabut-2-yne and 1,6-dioxahexa-2,4-diyne bridges and nanoscale cavities. S. Sankararaman, M. Srinivasan, V. Narayanan, B. Varghese Ind. J. Chem. Sec. B, 2004, 43B, 1499 – 1503.
  38. (Z)-3,6-Diethynyl-3,6-dihydroxycyclohexa-1,4-diene. A. Bandyopadhyay, B. Varghese, S. Sankararaman Acta. Cryst. 2004, E60, o2247-o2248.
  39. Synthesis of differentially protected / functionalised acetylenic building blocks from p-benzoquinone and their use in the synthesis of new enediynes. S. Sankararaman, M. Srinivasan Org. Biomol. Chem., 2003, 1, 2388 – 2392.
  40. Synthesis of buta-1,3-diyne bridged macrocycles with (Z)-1,4-diethynyl-1,4-dimethoxycyclohexa-2,5-diene as the building block M. Srinivasan, S. Sankararaman, H. Hopf, B. Varghese Eur. J. Org. Chem., 2003, 660-665.
  41. Novel chiral metallocenophanes derived from [2.2]paracyclophane and their use in olefin polymerization. H. Hopf, S. Sankararaman, I. Dix, P. G. Jones, H. G. Alt, A. Licht Eur. J. Inorg. Chem., 2002, 123-131.
  42. Syntheses and structures of isomeric {6.6]- and [8.8]cyclophanes with 1,4-dioxabut-2-yne and 1,6-dioxahexa-2,4-diyne bridges. M. Srinivasan, S. Sankararaman, H. Hopf, I. Dix, P. G. Jones J. Org. Chem., 2001, 66, 4299-4303.
  43. A new double substrate uncatalyzed bromate oscillator R. Ramaswamy, V. Sridevi, S. Sankararaman React. Kinet. Catal. Lett., 2001, 74, 41 – 49.
  44. Synthesis and photochemistry of 2,2-di-tert-butyl-6-(4,4-di-tert-butylbuta1,3-dienyl)-2H-pyran. P. Kilickiran, S. Sankararaman, H. Hopf Ind. J. Chem Sec. B., 2001, 40B, 781-785.
  45. Synthesis and structure of a new [6.6]metacyclophane with enediyne bridges. M. Srinivasan, S. Sankararaman, I. Dix and P. G. Jones, Org. Lett.,2000, 2, 3849-3852.
  46. Highly selective synthetic transformations catalyzed by lithium perchlorate in organic media. S. Sankararaman and J. E. Nesakumar, Eur. J. Org. Chem., 2000, 2003-2011.
  47. Oxidative carbon-carbon bond cleavage of a [2.2]paracyclophane derivative – Efficient intramolecular trapping of the radical cation. S. Sankararaman, H. Hopf, I.Dix and P.G. Jones Eur. J. Org. Chem. 2000, 2711-2716.
  48. Synthesis of 4-(6-fulvenyl)[2.2]paracyclophane and its derivatives. S. Sankararaman, H. Hopf, I.Dix and P.G. Jones Eur. J. Org. Chem. 2000, 2703-2709.
  49. Synthesis of 4,5,12,13-tetraformyl[2.2]paracyclophane and its bis acetal. S. Sankararaman, H. Hopf, I.Dix and P.G. Jones Eur. J. Org. Chem, 2000, 2699-2701.
  50. Highly chemo- and regioselective rearrangement of α, β-epoxyketones to 1,3-dicarbonyl compounds in 5 mol dm-3 lithium perchlorate-diethyl ether medium. S. Sankararaman, S. and J. E. Nesakumar, J. Chem. Soc. Perkin Trans 1, 1999, 3173-3175.
  51. Highly Selective 1,2- and 1,4-Addition of Silyl Enol Ether to α, β- unsaturated Carbonyl Compounds in 5 M Lithium Perchlorate-Nitromethane Medium S. Sankararaman and R. Sudha, J. Org. Chem., 1999, 64, 2155-2157.
  52. Chemoselective aldol condensation in 5 mol dm-3 lithium perchlorate-nitromethane. A comparison with lithium perchlorate-diethyl ether medium. R. Sudha and S. Sankararaman, J. Chem. Soc. Perkin Trans 1,1999, 383-386.
  53. Chemo and regioselective conversion of epoxides to carbonyl compounds in 5 M lithium perchlorate – diethyl ether medium. R. Sudha, K. Malola Narasimhan, V. Geetha Saraswathy and S. Sankararaman. J. Org. Chem., 1996, 61, 1877-1879.
  54. Cyclization of enediyne radical cations through chemical, photochemical and electrochemical oxidation: The role of state symmetry. D. Ramkumar, M. Kalpana, B. Varghese, S. Sankararaman, M. N. Jagadeesh, and J. Chandrasekhar. J. Org. Chem., 1996, 61, 2247-2250.
  55. Photo Michael reaction of silyl enol ethers with β-nitro and β, β-dicyanostyrenes. D. Ramkumar and S. Sankararaman, J. Chem. Soc. Perkin Trans. 2, 1996, 939-941.
  56. Chemoselective aldol type condensation of silyl enol ethers and acetals in lithium perchlorate – diethyl ether medium. V. Geetha Saraswathy and S. Sankararaman, J. Chem. Soc., Perkin Trans. 2, 1996, 29-31.
  57. Chemoselectivity in the Michael addition of silyl enol ethers in lithium perchlorate – diethyl ether medium. Evidence for facile silyl group transfer to Michael acceptors. V. Geetha Saraswathy and S. Sankararaman, J. Org. Chem., 1995, 60, 5024-5028.
  58. Chemoselective protection of aldehydes as dithioacetals in lithium perchlorate – diethyl ether medium. Evidence for the formation of oxocarbenium ion intermediate from acetals. V. Geetha Saraswathy and S. Sankararaman, J. Org. Chem., 1994, 59, 4665-4670.
  59. Mild and efficient photochemical and thermal deprotection of thioacetals and ketals using DDQ. Lizamma Mathew and S. Sankararaman, J. Org. Chem., 1993, 58, 7576-7577.
  60. Photochemistry of charge transfer complexes of styrene derivatives with tetranitromethane. X-ray crystal structure of a novel dimeric adduct from p-methylstyrene. Lizamma Mathew, Babu Varghese, S. Sankararaman, J. Chem. Soc. Perkin Trans. 2, 1993, 2399-2404.
  61. Selective photooxidation of thioethers to sulfoxides with tetranitromethane. D. Ramkumar and S. Sankararaman, Synthesis, 1993, 1057-1058.
  62. Photoinduced electron transfer in pinacol cleavage with quinones via highly labile cation radicals. Direct comparison of charge transfer excitation and photosensitization. Serge Perrier, S. Sankararaman, and J. K. Kochi, J. Chem. Soc. Perkin Trans 2, 1993, 825-837.
  63. Time resolved charge transfer spectroscopy of aromatic EDA complexes with nitrosonium. Inner sphere mechanism for electron transfer in the isoergonic region. T. M. Bockman, Z. J. Karpinski, S. Sankararaman, and J. K. Kochi, J. Am. Chem. Soc., 1992, 114, 1970-1985.
  64. Picosecond dynamics of contact ion pairs. Solvent and salt effects. T. Yabe, S. Sankararaman, and J. K. Kochi, J. Phys. Chem., 1991, 95, 4177-4179.
  65. Novel Π stabilization of arene cation radicals in the anchimeric assistance of electron transfer. S. Sankararaman, W. Lau, and J. K. Kochi, J. Chem. Soc. Chem. Comm., 1991, 396-398.
  66. Kinetics and mechanism of charge-transfer nitration Part II. Time resolved spectral evolution of the ipso adducts from 1,4-dimethylnaphthalene cation radical. S. Sankararaman and J. K. Kochi, J. Chem. Soc. Perkin Trans. 2; 1991, 165-174.
  67. Charge transfer nitration of naphthalenes. Part 1. Direct comparison with electrophilic aromatic nitrations. S. Sankararaman and J. K. Kochi, J. Chem. Soc., Perkin Trans. 2, 1991, 1-12.
  68. Control of back electron transfer from charge-transfer ion pairs by zeolite supercages. S. Sankararaman, K. B. Yoon, T. Yabe, and J. K. Kochi, J. Am. Chem. Soc., 1991, 113, 1419-1421.
  69. Photoinduced electron transfer by charge transfer and singlet sensitized activation: Facile retro-pinacol via fragmentation of cation radicals. S. Sankararaman and J. K. Kochi, J. Chem. Soc; Chem. Comm., 1989, 1800-1802.
  70. Preparation of and addition of carbanions to 6-methyl-6-nitrocyclohexa-2,4-dienones. A. Fischer, G. N. Henderson, and S. Sankararaman, Can. J. Chem., 1989, 67, 1244-1246.
  71. Efficient charge-transfer photochemistry via fragmentable cation radicals with variable lifetimes. Direct comparison with chloranil sensitization. S. Sankararaman, S. Perrier, and J. K. Kochi, J. Am. Chem. Soc., 1989, 111, 6448-6449.
  72. Carbocations as electron acceptors. Photoexcitation of the charge-transfer complexes of tropylium salts and aromatic hydrocarbons. Y. Takahashi, S. Sankararaman, and J. K. Kochi, J. Am. Chem. Soc., 1989, 111, 2954-2967.
  73. Direct observation of the kinetic acidities of transient aromatic cation radicals. The mechanism of electrophilic side-chain nitration of the methylbenzenes. J. M. Masnovi, S. Sankararaman, and J. K. Kochi, J. Am. Chem. Soc., 1989, 111, 2263-2276.
  74. Formation of 4-nitrocyclohexa-2,5-dienols by addition of organolithium reagents to 4-alkyl-4-nitrocyclohexa-2,5-dienones. A. Fischer and S. Sankararaman, J. Org. Chem., 1987, 52, 4464-4468.
  75. Annihilation of aromatic cation radicals by ion-pair and radical pair collapse. Unusual solvent and salt effects in the competition for aromatic substitution. S. Sankararaman, W. A. Haney, and J. K. Kochi, J. Am. Chem. Soc., 1987, 109, 7824-7838.
  76. Aromatic nitration with ion radical pairs [ArH+., NO2] as reactive intermediates. Time resolved studies of charge transfer activation of dialkoxybenzenes. S. Sankararaman, W. A. Haney, and J. K. Kochi, J. Am. Chem. Soc., 1987, 109, 5235-5249.
  77. Photochemical nitration of methoxybenzenes from charge transfer complexes with tetranitromethane. S. Sankararaman and J. K. Kochi, Recl. Trav. Chim. Pays. Bas., 1986, 105, 278-285.

1. S. Sankararaman, Pericyclic Reactions–A Textbook, Wiley-VCH, Weinheim, 2005, (a textbook with forward written by Prof. Roald Hoffmann, Cornell University, a Nobel Laureate and an expert in this area. This book is widely prescribed as a textbook at the postgraduate and research level courses). User ReviewsFive star rated.