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M. Velayutham Pillai, K. Rajeswari, T. Vidhyasagar; Synthesis, spectral and single crystal X-ray diffraction studies of novel O–(Carboalkoxy)methyl oxime ethers of 3–alkyl and 3,5–dialkyl–1–methyl–2,6–diphenyl piperidin–4–ones, Journal of Molecular Structure 1076 (2014) 94–104. doi.org/10.1016/j.molstruc.2014.07.030
M. Velayutham Pillai, K. Rajeswari, T. Vidhyasagar; Stereoselective synthesis, spectral and antimicrobial studies of some cyanoacetyl hydrazones of 3–alkyl–2,6–diaryl piperidin–4–ones, Journal of Molecular Structure 1076 (2014) 174–182. doi.org/10.1016/j.molstruc.2014.07.050
T. Mohandas, M. Velayutham Pillai, T. Vidhyasagar, A. Pasupathy, P. Sakthivel; Methyl({[(4E)–1,3–dimethyl–2,6–diphenylpiperidin–4–ylidene] amino} oxy) acetate, Acta Crystallographica Section E70 (2014) o513. doi.org/10.1107/S1600536814006667
M. Velayutham Pillai, K. Rajeswari, T. Vidhyasagar; Spectral assignments and structural studies of a warfarin derivative stereoselectively formed by tandem cyclization, Journal of Molecular Structure, 1100 (2015) 447–454. doi.org/10.1016/j.molstruc.2015.07.058
C. Udhaya Kumar, A. Sethukumar, M. Velayutham Pillai, B. Arul Prakasam, C. Ramalingan, T. Vidhyasagar; Synthesis, spectral and structural studies of alkyl 2-(3-alkyl-2, 6-diaryl piperidin-4-ylidene) hydrazinecarboxylate derivatives: Crystal and molecular structure of methyl 2-(3-methyl-2, 6-diphenylpiperidin-4-ylidene) hydrazine carboxylate, Journal of Molecular Structure 1112(2016), 45-52. doi.org/10.1016/j.molstruc.2016.02.003
M. Velayutham Pillai, K. Rajeswari, C. Udhaya Kumar, C. Ramalingan, A. Manohar, T. Vidhyasagar; Chemoselective synthesis and spectral studies of N-thiocyanatoacetyl derivatives of 3-alkyl-2,6-diaryl piperidin-4-ones, Phosphorus, Sulphur, and Silicon and the Related Elements 191 (2016) 1209-1215. doi.org/10.1080/10426507.2016.1149852
C. Udhaya Kumar, M. Velayutham Pillai, B. Arul Prakasam, C. Ramalingan, E.R. Nagarajan, T. Vidhyasagar; Chemoselective synthesis, spectral and computational studies of 2-amino-3-cyano-4-aryl-4H-chromen-7-yl alkyl carbonates, Chemical Data Collections 3 (2016) 68-81. doi.org/10.1016/j.cdc.2016.06.002
Ayyanar Karuppasamy, Kannan Gokula Krishnan, Muthiah Pillai Velayutham Pillai, Chennan Ramalingan; Synthesis, molecular structure and vibrational analysis of DDA based carbazole decorated phenothiazine-3-carbaldehyde: Experimental (FT-IR, UV and NMR) and density functional theory (DFT) calculations, Journal of Molecular Structure 1128 (2017) 674-684. doi.org/10.1016/j.molstruc.2016.09.026
Ayyanar Karuppasamy, Chandran Udhaya Kumar, Muthiah Pillai Velayutham Pillai, Chennan Ramalingan; Synthesis, spectral, structural and DFT studies of novel dialkyl fluorene decorated phenothiazine-3-carbaldehyde, Journal of Molecular Structure 1133 (2017) 154-162. doi.org/10.1016/j.molstruc.2016.12.002
C. Udhaya Kumar, M. Velayutham Pillai, K. Gokula Krishnan, C. Ramalingan; Synthesis, spectral and structural characterization of isobutyl 4-(2-chloro phenyl)-5-cyano-6-(((dimethylamino)methylene)amino)-2-methyl-4H-pyran-3-carboxylate, Journal of Molecular Structure 1144 (2017) 206-215. doi.org/10.1016/j.molstruc.2017.05.011
Ayyanar Karuppasamy, Chandran Udhaya Kumar, Subramanian Karthikeyan, Muthiah Pillai Velayutham Pillai, Chennan Ramalingan; Synthesis, spectral, structural prediction and computational studies of octylcarbazole ornamented 3-phenothiazinal, Journal of Molecular Structure 1147 (2017) 487-494. doi.org/10.1016/j.molstruc.2017.06.136
M. Velayutham Pillai, K.Rajeswari, C. Udhaya Kumar, K. Gokula Krishnan, S. Mahendran, C. Ramalingan, E.R. Nagarajan, T. Vidhyasagar; Stereoselective synthesis and spectral studies of some benzotriazolylacetyl hydrazones of 3–alkyl–2,6–diarylpiperidin–4–ones, Journal of Molecular Structure 1150 (2017) 558-565. https://doi.org/10.1016/j.molstruc.2017.09.010
Chandran Udhaya Kumar, Muthiah Velayutham Pillai, Kannan Gokula Krishnan, Chennan Ramalingan; Synthesis, experimental and theoretical studies on highly functionalized novel 4H-pyran-3-carboxylate, Journal of Molecular Structure 1175 (2019) 587-592. doi.org/10.1016/j.molstruc.2018.08.037
G. A. Krishnan, C. U. Kumar, T. Mohandas, M. V. Pillai and P. Sakthivel; Allyl 6-amino-5-cyano-2-methyl-4-phenyl-4H-pyran-3-carboxylate, IUCrData (2019) 4 x190054. doi.org/10.1107/S2414314619000543
G. A. Krishnan, T. Mohandas, C. U. Kumar, M. V. Pillai and P. Sakthivel; Allyl 6-amino-4-(4-chlorophenyl)-5-cyano-2-methyl-4H-pyran-3-carboxylate, IUCrData (2019) 4 x190315. doi.org/10.1107/S2414314619003158
D.Shanthi, K.Rajeswari, C.Udhaya Kumar, T.Vidhyasagar, M.Velayutham Pillai, Structural features of Novel 2,6-diarylpiperidin-4-ones derived from the methyl ether of raspberry ketone: Investigation through spectral, single crystal and DFT studies, Journal of Molecular Structure, Volume 1198, 15 December 2019, 126907. https://doi.org/10.1016/j.molstruc.2019.126907
N. Sankara Pandian, B. Siva Prakash, M. Thillai Natarajan, C. Ramalingan, M. Velayutham Pillai, Computational Aspects of (E)-O-Carbomethoxy Methyl Oxime Ether of 1,3-Dimethyl-2,6-diphenylpiperidin-4-one, International Journal of Innovative Technology and Exploring Engineering (IJITEE), Volume-9, Issue-2S2, December 2019. https://www.ijitee.org/wp-content/uploads/papers/v9i2s2/B11691292S219.pdf
K. Gokula Krishnan, C. Udhaya Kumar, T. Vidhyasagar, M. Velayutham Pillai, C. Ramalingan, Spectral and Structural Perspectives of 1,3,3-Trimethyl-2,6-diphenylpiperidin-4-one, International Journal of Recent Technology and Engineering (IJRTE),Volume-8, Issue-4S2, December 2019. https://www.ijrte.org/wp-content/uploads/papers/v8i4s2/D11591284S219.pdf
Chandran Udhaya Kumar, Ramar Sivaramakarthikeyan, Kannan Gokula Krishnan, Muthiah Pillai Velayutham Pillai, Chennan Ramalingan, Novel Pyran Derivative Ornamented with free Amino and Nitrile Functionalities: Synthesis and Spectroscopic Characterization, International Journal of Engineering and Advanced Technology (IJEAT), Volume-9, Issue-1S4, December 2019. https://www.ijeat.org/wp-content/uploads/papers/v9i1s4/A11601291S419.pdf
Udhaya Kumar, Shunmugam Iniyaval, Kannan Gokula Krishnan, Muthiah Pillai Velayutham Pillai, Chennan Ramalingan, Crystallographic and Computational Analysis of 4H-Pyran-3-Carboxylate Derivative Tethered with Amino and Methacryloyloxyethyl Units, International Journal of Engineering and Advanced Technology (IJEAT), Volume-9, Issue-1S4, December 2019. https://www.ijeat.org/wp-content/uploads/papers/v9i1s4/A11631291S419.pdf
T. Mohandas, C. Udhaya Kumar, G. Anantha Krishnan, M. Velayutham Pillai, P. Sakthivel, Crystal Structure and Molecular Conformational Studies of Allyl 6-Amino-5-cyano-4-(4-fluorophenyl)-2-methyl-4H-pyran-3-carboxylate, Crystallography Reports, 2019, Vol. 64, No. 7, pp. 1103–1107. DOI: https://doi.org/10.1134/S1063774519070101
B. K. Ramesh, M. Velayutham Pillai, S. Vanitha and J. Diagu, Analysis of surface water quality for irrigation in Padmanabhapuram fort (Kanyakumari District, Tamil Nadu) India, IOP Conf. Series: Materials Science and Engineering 872 (2020) 012191. https://iopscience.iop.org/article/10.1088/1757-899X/872/1/012191
D. Shanthi, K. Rajeswari, C. Udhaya Kumar, T. Vidhyasagar, M. Velayutham Pillai, Synthesis, NMR and Single Crystal Studies of (E)-tert-Butyl 2-(3-methyl-2,6-diarylpiperidin-4-ylidene) hydrazinecarboxylates, Chemical Data Collections, 2020, Vol.29, 100512. https://doi.org/10.1016/j.cdc.2020.100512
R. Thayala Sanker, M. Arunpandian, M. Velayutham Pillai, S. Arunachalam, G. Muneeswaran, B. Babu, Mon-Shu Ho & R. Sivakumar, Spectroscopic and density functional theory (DFT) approach of zwitterionic 4-aminobenzenesulfonic acid for optoelectronic applications, Journal of Materials Science: Materials in Electronics, Vol. 32, 4982–4997(2021). https://doi.org/10.1007/s10854-021-05236-7
C. Udhaya Kumar, B. Arul Prakasam, C.Ramalingan, T.Vidhyasagar, M. Velayutham Pillai, Synthesis, spectral, structural and computational studies of isobutyl 6-amino-5-cyano-4-(1-(4-isobutylphenyl)ethyl) -2-methyl- 4H-pyran-3-carboxylate, Chemical Data Collections, Vol. 33, June 2021, 100689. https://doi.org/10.1016/j.cdc.2021.100689
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