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Faculty Member Details

Staff Id : 09178
Name : Dr. T. VIDHYASAGAR
Designation : ASSOCIATE PROFESSOR
Department : CHEMISTRY
Qualification : M.Sc.,M.Phil.,Ph.D.,
Specialization : Synthetic Organic Chemistry
Date of Birth : 22-06-1975
Date of Joining : 01-07-2003
Present Address Contact Number E-Mail Address
23,TAMILANNAI NAGAR,
C.KOTHANGUDI,
ANNAMALAI NAGAR-608002.,
9894445979tvisagar@yahoo.com
Research Guidance
Discipline Awarded Guidance
M.Phil./M.E./M.Sc. 20-
Ph.D. 31


Conference /Seminar / Symposia / Workshop
Conference Seminar Symposia Workshop
National International
Attended 2710--2
Conducted -1---


Research Projects
Major Projects Minor Projects Total Amount (Rs.)
Completed 1-11,08,300-/-
Ongoing ---
Teaching and Research Experience Industry Experience
20 Years -
Journals Conference Books Published Popular Article
National International National International
- 24 6 - - -

List of Publications - International
D.Shanthi, K.Rajeswari, C.Udhaya Kumar, T.Vidhyasagar and 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, Volume 29/100512, Number 10, Oct 2020, pp. 1-9. 2020/https://doi.org/10.1016/j.cdc.2020.100512.
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 , Volume 8, Number 4S2, Dec 2019, pp. 489-495. 2019/ DOI: 10.35940/ijrte.D1159.1284S219 .
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, Number 1, Dec 2019, pp. 1-11. 2019/https://doi.org/10.1016/j.molstruc.2019.126907.
A. Gayathri, T. Vidhyasagar, K. Rajeswari, "Synthesis, Simulated and Crystalographic Studies of a New Schiff Base with Unsymmetrical Vicinal Diamine Backbone.", Journal of Chemistry and Chemical Sciences, Volume 7, Number 11, Nov 2017, pp. 884-897. 2017/jccspdf/CHJV07I11P0884.
A. Gayathri, T. Vidhyasagar, K. Rajeswari, "Synthesis and Crystal Structure of Salen Ligands Derived from Unsymmetrical Vicinal Diamine.", Journal of Chemistry and Chemical Sciences, Volume 7, Number 11, Nov 2017, pp. 994-999. 2017/jccspdf/CHJV07I11P0994.
P. Yowan Jeba Raj, T. Vidhyasagar and K. Rajeswari*, "Crystal Structure & Hirshfeld Surface of (S)-1-Phenylethane1, 2-diammonium Dichloride Hemihydrate.", Journal of Chemistry and Chemical Sciences, Volume 7, Number 11, Nov 2017, pp. 987-993. 2017/jccspdf/CHJV07I11P0987.
M Velayutham Pillai, K Rajeswari, C Udhaya Kumar, K Gokula Krishnan, S Mahendran, C Ramalingan, ER Nagarajan, T Vidhyasagar, "Stereoselective synthesis and spectral studies of some benzotriazolylacetyl hydrazones of 3–alkyl–2, 6–diarylpiperidin–4–ones.", Journal of Molecular Structure, Volume 1150, Number 1, 2017, pp. 558-565. 2017/https://doi.org/10.1016/j.molstruc.2017.09.010.
A Gayathri, K Rajeswari, T Vidhyasagar, S Selvanayagam, "Crystal structures of salen-type ligands 2-[(1E)-({1-(3-chlorophenyl)-2-[(E)-(2-hydroxybenzylidene) amino] propyl} imino) methyl] phenol and 2-[(1E)-({1-(4-chlorophenyl)-2-[(E)-(2-hydroxybenzylidene) amino] propyl} imino) methyl] phenol.", Acta Crystallographica Section E: Crystallographic Communications, Volume 73, Number 12, Dec 2017, pp. 1878-1881. 2017/https://doi.org/10.1107/S2056989017016292.
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-diarylpiperidin-4-ones.", Phosphorus, Sulfur, and Silicon and the Related Elements, Volume 191, Number 9, Sep 2016, pp. 1209-1215. 2016/https://doi.org/10.1080/10426507.2016.1149852.
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-diarylpiperidin-4-ylidene) hydrazinecarboxylate derivatives: Crystal and molecular structure of methyl 2-(3-methyl-2, 6-diphenylpiperidin-4-ylidene) hydrazinecarboxylate.", Journal of Molecular Structure, Volume 1112, Number 1, May 2016, pp. 45-52. 2016/https://doi.org/10.1016/j.molstruc.2016.02.003.
C Udhaya Kumar, M Velayutham Pillai, B Arul Prakasam, C Ramalingan, ER 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, Volume 3, Number 1, Aug 2016, pp. 68-81. 2016/https://doi.org/10.1016/j.cdc.2016.06.002.
P. Yowan Jeba Raj, T. Vidhyasagar and K. Rajeswari*, " Rigid and Flexible docking studies on optically pure (R, R) and (S, S)-1-Phenylpropane-1, 2-diamines..", International Journal of TechnoChem Research, Volume 2, Number 3, Mar 2016, pp. 189-201. 2016/article-1498296537.
T. Vidhyasagar, K. Rajeswari, D. Shanthi, M. Kayalvizhi, G. Vasuki and A. Thiruvalluvar, "Crystal structure of (E)-1-(4′-methyl-[1, 1′-biphenyl]-4-yl)-3-(3-nitrophenyl) prop-2-en-1-one.", Acta Crystallographica Section E: Crystallographic Communications, Volume 71, Number 1, Jan 2015, pp. 65-66. 2015/https://doi.org/10.1107/S2056989014027443.
T. Mohandas, C. U. Kumar, S. A. Devi, B. A. Prakasam, P. Sakthivel and T. Vidhyasagar, "Crystal structure of isobutyl 4-(2-chloro­phen­yl)-5-cyano-6-{(E)-[(di­methyl­amino)­methyl­idene]amino}-2-methyl-4H-pyran-3-carboxyl­ate.", Acta Crystallographica Section E: Crystallographic Communications, Volume 71, Number 1, Jan 2015, pp. 101-102. 2015/https://doi.org/10.1107/S2056989015000079.
D. Shanthi, T. Vidhyasagar, K. Rajeswari, M. Kayalvizhi, G. Vasuki and A. Thiruvalluvar, "Crystal structure of (E)-1-([1,1'-biphen­yl]-4-yl)-3-(3-nitro­phen­yl)prop-2-en-1-one.", Acta Crystallographica Section E: Crystallographic Communications, Volume 71, Number 1, Jan 2015, pp. 119-120. 2015/https://doi.org/10.1107/S2056989015000523.
T. Vidhyasagar, K. Rajeswari, D. Shanthi, M. Kayalvizhi, G. Vasuki and A. Thiruvalluvar, "Crystal structure of (E)-1-(4′-methoxy-[1, 1′-biphenyl]-4-yl)-3-(3-nitrophenyl) prop-2-en-1-one.", Acta Crystallographica Section E: Crystallographic Communications, Volume 71, Number 1, Jan 2015, pp. 1-3. 2015/https://doi.org/10.1107/S2056989014025110.
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, Volume 1100, Number 1, Nov 2015, pp. 447-454. 2015/https://doi.org/10.1016/j.molstruc.2015.07.058.
M.Velayutham Pillai, K.Rajeswari, T.Vidhyasagar*, "Stereoselective synthesis, spectral and antimicrobial studies of some cyanoacetyl hydrazones of 3-alkyl 2,6-diarylpiperidin-4-ones.", Journal of Molecular Structure, Volume 1076, Number 1, Jul 2014, pp. 174-182. 2014/org/10.1016/j.molstruc.2014.07.050.
T. Mohandas, M. Velayutham Pillai, A. Ragu, T. Vidhyasagar and P. Sakthivel, "Structural and conformational studies of 1,3,3-trimethyl-2,6-diphenylpiperidin-4-one.", Der Chemica Sinica, Volume 5, Number 5, Sep 2014, pp. 46-49. 2014/DCS-2014-5-5-46.
T. Mohandas, M. Velayutham Pillai, T. Vidhyasagar, A. Pasupathy and P. Sakthivel,, " Methyl ({[(4E)-1,3-dimethyl-2,6-diphenylpiperidin-4-ylidene]amino}oxy)-acetate.", Acta Cryst. E, Volume E70, Number 1, Mar 2014, pp. 513-513. 2014/107/S1600536814006667 .
D. Shanthi, T.Vidhyasagar, M. Kayalvizhi, G. Vasuki and A. Thiruvalluvar,, "E)-1-([1,1’-Biphenyl]-4-yl)-3-(2-methylphenyl)prop-2-en-1-one.", Acta Cryst. E, Volume E70, Number 1, Jun 2014, pp. 809-810. 2014/1107/S1600536814014317.
C.Udhaya Kumar, A.Sethukumar, R.Agilandeswari, B.Arul Prakasam, T.Vidhyasagar, Mika Sillanpaa, "Water mediated synthesis, spectral and structural studies of ethyl 6-amino-4-aryl-5-cyano-2-propyl-4H-pyran-3-carboxylates: Single crystal X-ray structure of ethyl 6-amino-4-(2-chlorophenyl)-5-cyano-2-propyl-4H-pyran-3-carboxylate.", Journal of Molecular Structure, Volume 1059, Number 1, Feb 2014, pp. 159-168. 2014/ 10.1016/j.molstruc.2013.11.040.
T. Mohandas, C. Udhaya Kumar, V. Kathiravan, B. Arul Prakasam, P. Sakthivel and T. Vidhyasagar, "Structural and conformational studies of (E)-methyl 2-(3-isopropyl-1-methyl- 2,6-diphenylpiperidin-4-ylidene)hydrazinecarboxylate.", Der Chemica Sinica, Volume 5, Number 6, Jun 2014, pp. 18-22. 2014.
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-diphenylpiperidin-4-ones.", Journal of Molecular Structure, Volume 1076, Number 1, Jul 2014, pp. 94-104. 2014/org/10.1016/j.molstruc.2014.07.030.
List of Conferences - National
P.Yowan Jeba Raj, A.Gayathri, T.Vidhyasagar and K.Rajeswari, Facile synthesis of Medically interesting chiral vicinal diamines, UGC – Sponsored Academy – Industry meet on Trends in Medical Biotechnology: Opportunities & Challenges, Mar 7-8, 2014, Annamalai University, pp. 12-12. Annamalai nagar, Department of Bio-chemistry & Biotechnology.
T.Vidhyasagar ,S.Senthilkumar, Synthesis, spectral and antimicrobial studies of3,5-bis(2-furylmethylene)-2,6-diphenylpiperidin-4-ones, 15 th CRSI National Symposium in Chemistry, Feb 1-3, 2013, Department of Chemistry,Banaras Hindu University, pp. 287-287. Varanasi, CRSI.
S.Senthilkumar,T.Vidhyasagar ,D.Indira, Infrared Spectral Studies on 3,5-Bis(phenylmethylene)-1-methylpiperidin-4-one Derivatives-Assessment of Substituent and Solvent Effects, National Seminar on New Frontiers in Chemistry , Mar 15-16, 2010, Annamalai University, pp. 116-116. Annamalai nagar, Department of Chemistry.
T.Vidhyasagar ,S.Senthilkumar, M.Sivakami, Infrared Spectral Studies on Biphenyl Styryl Ketones - Assessment of Substituent and Solvent Effects, National Seminar on New Frontiers in Chemistry, Mar 15-16, 2010, Annamalai University, pp. 118-118. Annamalai nagar, Department of Chemistry.
T.Vidhyasagar ,D.Indira, Infrared Spectral Studies on 3,5-Bis(phenylmethylene)-1-methylpiperidin-4-one Derivatives-Assessment of Substituent Effects, 4. National Conference on Emerging Trends in Chemical Research, Oct 17-18, 2008, Annamalai University, pp. 51-51. Annamalai nagar, Department of Chemistry.
T.Vidhyasagar , K.Rajeswari, B.Chandrasekaran., Chemoselective reduction of α,β-unsaturated ketones by ZCC, Indian Science Congress, Jan 3-7, 2007, Annamalai University, pp. 112-112. Annamalai nagar, Indian Science Congress.
List of Awards /Honours / Memberships
Laser & Spectroscopy Society of India - 445-15
Association of Chemistry Teachers (ACT) - 1417
Chemical Research Society of India (CRSI) - LM1239