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Faculty Member Details

Staff Id : 10809
Name : Dr. G. RAJARAJAN
Designation : ASSISTANT PROFESSOR
Qualification : M.Sc.,M.Phil.,Ph.D.,
Specialization : synthetic organic chemistry and theoretical chemistry
Date of Birth : 15-03-1970
Date of Joining : 31-01-2005
Present Address Contact Number E-Mail Address
KALLAMPUTHUR, VARAGUR - PO
KUNNAM - TK
PERAMBALUR DT.- 621708,
9444147388jaihari70@yahoo.co.in
Research Guidance
Discipline Awarded Guidance
M.Phil./M.E./M.Sc. 16-
Ph.D. 12


Conference /Seminar / Symposia / Workshop
Conference Seminar Symposia Workshop
National International
Attended 104---
Conducted -----


Research Projects
Major Projects Minor Projects Total Amount (Rs.)
Completed ---
Ongoing 1-864800
Teaching and Research Experience Industry Experience
12 Years -
Journals Conference Books Published Popular Article
National International National International
2 17 10 4 - -

List of Publications - National
K. Pandiarajan, A. Manimekalai and G. Rajarajan, "1H NMR spectral study of some 4-hydroxy-2,6-diphenylpiperidines and a systematic analysis of 1H chemical shifts in some piperidines and 3,7-diazobicyclo[3.3.1]nonane derivatives.", indian journal of chemistry, Volume 39B, Number 3, Jul 2000, pp. 517-524. 2000.
A.Manimekalai and G. Rajarajan, "13C NMR spectroscopic study of conformation of alkyl groups in 3-alkyl 4-hydroxypiperidins.", indian journal of chemistry, Volume 35B, Number 1, Sep 1996, pp. 923-928. 1996.
List of Publications - International
S. Savithiri, G. Rajarajan, V. Srividhya, J. Jijesh, V. Thanikachalam, J. Jayabharathi, M.Arockia doss, "Synthesis, Spectral and Structure Activity Relationship Studies of Substituted 3t-pentyl-2r, 6c-–diarylpiperidin-4-ones and their Corresponding Oxime Derivatives.", Can. Chem. Trans.,, Volume 2, Number 2, Mar 2014, pp. 201-220. 2014.
S. Savithiri, M. Arockia doss, G. Rajarajan, V. Thanikachalam, ", Synthesis, Spectral, Stereochemical and Antimicrobial Evaluation of Some 3t-pentyl-2r,6c-diarylpiperidin 4-one Thiosemicarbazone Derivatives.", Can. Chem. Trans.,, Volume 2, Number 4, Jun 2014, pp. 403-417. 2014.
S. Savithiri, M. Arockia doss, G. Rajarajan, V. Thanikachalam, "Synthesis, spectral, stereochemical, single crystal XRD and biological studies of 3t-pentyl-2r,6c-diarylpiperidin-4-one picrate derivatives,.", Journal ofMolecular structure, Volume 1075, Number 5, Jul 2014, pp. 430-441. 2014.
G. Rajarajan, S. Mahalakshmi, N. Jeyachandramani, J. Jayabharathi, V. Thanikachalam, "Kinetics of oxidation of some substituted N-alpha substituted diphenylnitrones by nicotinium dichromate in aqueous dimethylformamide in the presence of oxalic acid.", Oxidation Comm., , Volume 36, Number 3, Mar 2013, pp. 626-635. 2013.
G. Manikandan, J. Jayabharathi, G. Rajarajan V. Thanikachalam, "Kinetics and vaporization of anil in nitrogen atmosphere -– Non-isothermal condition.", J. King saud University-science, Volume 24, Number 2, Jan 2012, pp. 265-270. 2012.
S. Subashchandrabose, H. Saleem, Y. Erdogdu. G. Rajarajan,V. Thanikachalam , "FT-Raman, FT-IR spectra and total energy distribution of 3-pentyl-2,6- diphenylpiperidin-4-one: DFT method.", Spectrochimica Acta Part A , Volume 82, Number 2, Jul 2011, pp. 260-269. 2011.
S.George, R. Pichai, G. Manikandan, G. Rajarajan, J. Jayabharathi and V. Thanikachalam, "Mechanistic investigation of oxidation of aldonitrones by Imidazolium dichromate in aqueous acetonitrile. A Kinetic study.", Oxidation Comm., , Volume 33, Number 2, Feb 2011, pp. 345-355. 2010.
G. Rajarajan, S. Mahalakshmi, N. Jayachandramani,J. Jayabharathi, V. Thanikachalam, "Kinetics and Mechanism of Oxidation of N,α-diphenylnitrones by Imidazolium Dichromate Catalysed by Oxalic Acid in Aqueous DMF Medium.", Oxidation Comm., , Volume 34, Number 3, Mar 2011, pp. 545-554. 2011.
G. Manikandan, J. Jayabharathi, G. Rajarajan, V. Thanikachalam, "Kinetics of Thermal Decomposition of Bis(4-amino-5-mercapto-1,2,4-triazol-3-yl)methane (BAM TM) under Non-isothermal Condition.", Oxidation Comm., , Volume 34, Number 3, Mar 2011, pp. 684-700. 2011.
G. Rajarajan, S. Mahalakshmi, N. Jayachandramani, S. Manivarman, J. Jayabharathi and V. Thanikachalam, "Imidazolium dichromate oxidation of some substituted aldonitrones in aqueous dimethyl formamide medium.", Oxidation Comm., , Volume 33, Number 2, Feb 2010, pp. 356-364. 2010.
Govindasamy Rajarajan, Natesan Jeyachandramani, Subramaniyan Manivarman, Jayaraman Jayabharthi and Venugopal Thanikachalam, "Kinetics and mechanism of oxidation of some substituted aldonitrones by quinolinium chlorochromate(QCC) in aqueous DMF medium in the absence and presence of oxalic acid.", J. Serb. Chem. Soc.,, Volume 74, Number 2, May 2009, pp. 171-182. 2009.
Subramaniyan Manivarman, Govindasamy Rajarajan, Govindasamy Manikandan, Mahaligam Sekar, Jayaraman Jayabharathi and Venugopal Thanikachalam, "A mechanistic investigation of the oxidation of N,α-diphenylnitrones by dichloramine-T in aqueous acetonitrile medium- a non-linear Hammett plot. .", J. Serb. Chem. Soc.,, Volume 74, Number 5, Dec 2009, pp. 493-502. 2009.
P. Gayathri, J. Jayabharathi, G. Rajarajan, A. Thiruvalluvar and R.J. Butcher, "t-3-Pentyl-r-2,c-6diphenylpiperidin-4-one,.", Acta Cryst. E, Volume 65, Number 5, Nov 2009, pp. 3083-3083. 2009.
G. Rajarajan, N. Jayachandramani, S. Manivarman, G. Manikandan, J. Jayabharathi and V. Thanikachalam, "Nicotinium dichromate oxidation of nitrones in aqueous DMF medium a kinetic study.", Oxidation Comm., , Volume 32, Number 2, Dec 2009, pp. 383-389. 2009.
Govindasamy Rajarajan, Natesan Jeyachandramani, subramaniyan Manivarman, Jayaraman Jayabharthi and Venugopal Thanikachalam, "Kinetics and mechanism of oxidation of N,α-diphenylnitrones by 4-(dimethylamino)pyridinium chlorochromate (DMAPCC) in aqueous DMF medium.", Transition Met. Chem.,, Volume 33, Number 4, Feb 2008, pp. 393-397. 2008.
Subramaniyan Manivarman, Govindasamy Rajarajan, Govindasamy Manikandan, Mahaligam Sekar, Jayaraman Jayabharathi and Venugopal Thanikachalam, "A kinetic study of oxidation of various substituted N,α-diphenylnitrones by N-chloro-3-methyl-2,6-diphenylpiperidon-4-one.", Oxidation Comm., , Volume 31, Number 3, Mar 2008, pp. 561-569. 2008.
Thiruvalluvar, S. Balamurugan, J. Jayabharathi, A. Manimekalai, and G. Rajarajan, "3-Ethyl-2,6-diphenylpiperidin-4-ol.", Acta Cryst. E, Volume 63, Number 4, May 2007, pp. 2886-2886. 2007.
List of Conferences - National
S. Savithiri, M. Arockia doss, S. Vembu, V. Thanikachalam and G. Rajarajan , Synthesis and spectral, stereochemical and antimicrobial evaluation of some nitrogen containing heterocyclic compounds, Advanced materials and its applications” (NCAMA-2014), Apr 4-5, 2014, Engineering Physics section, Faculty of Engineering and Technology, Annamalai University, pp. 19-19. Annamalai University, Engineering Physics section, Faculty of Engineering and Technology, Annamalai University.
K. Backiyaraj, S. Savithiri, M. Arockia doss, V. Thanikachalam and G. Rajarajan , Synthesis, spectral, stereochemical and antimicrobial evaluation of some 2r, 6c-–diarylpiperidin-4-ones and its oxime derivatives, Advanced materials and its applications” (NCAMA-2014), Apr 4-5, 2014, Engineering Physics section, Faculty of Engineering and Technology, Annamalai University, pp. 145-145. Annamalai University, the Engineering Physics section, Faculty of Engineering and Technology, Annamalai University.
S. Savithiri, M.Arockia doss, V.Thanikachalam and G. Rajarajan , Synthesis, spectral and antimicrobial studies of 3t-Pentyl -2r, 6c-–diarylpiperidin-4-one oxime picrate derivatives, Chemistry Education and research & National Convention of Chemistry Teacchers (NCCT-13), Nov 8-10, 2013, Department of Chemistry, Annamalai University, pp. 61-61. Annamalai University, Department of Chemistry, Annamalai University.
S. Savithiri, M. Arockia doss, V. Thanikachalam and G. Rajarajan , Synthesis, spectral, antimicrobial,and fluorescence studies of 3t-Pentyl -2r, 6c-–diarylpiperidin-4-ones picrate derivatives, chemosensors” (NCC-2013), Sep 19-20, 2013, Department of Chemistry, National institute of technology, Tiruchirappalli , pp. 63-63. Tiruchirappalli , Department of Chemistry, National institute of technology, Tiruchirappalli .
S. Savithri, A. Manimekalai V. Thanikachalam and G.Rajarajan, Synthesis spectral and anti-microbial studies on 3t-pentyl-2r,6c-diphenylpiperidin-4-one thiosemicarbazone and 3t-pentyl-2r,6c-di(p-flurophenyl ) piperidin-4-one thiosemicarbazone, Recent Trends in synthetic methods and chemistry of natural products(SMNP-2011) , Oct 14-15, 2011, Department of Chemistry, Annamalai University, pp. 58-58. Annamalai University, Department of Chemistry, Annamalai University.
S. Vembu, S.Savithri, V. Thanikachalam, G.Rajarajan and A.Manimekalai, Synthesis and spectral studies of 3,3-Dimethyl-2r.6c-bis(naphthylene-1-yl)piperidin-4-one and its oxime, Novel synthetic and computational strategies in chemical sciences(SCCS-2011), Mar 28-29, 2011, Department of Chemistry, Annamalai University, pp. 40-40. Annamalai University, Department of Chemistry, Annamalai University.
C. Praveena, G.Manikandan, G, Rajarajan, C. Anbuselvan, J.Jayabharathi and V. Thanikachalam, Mechanistic investigation of thermal decomposition of nitrones in air atmosphere, Frontiers in chemistry(NSNFC-2010), Mar 15-16, 2010, Department of Chemistry, Annamalai University, pp. 59-59. Annamalai University, Department of Chemistry, Annamalai University.
D. Vanaja, C. Nandakumar, V.Srividhya, G, Rajarajan, and V. Thanikachalam, C. Anbuselvan, Influence of heating rates on kinetic quantities of solid phase thermal decomposition of azoxybenzenes, National conference on emerging trends in Chemical research (NCETCR- 2008), Oct 17-18, 2008, Department of Chemistry, Annamalai University, pp. 108-108. Annamalai University, Department of Chemistry, Annamalai University.
Priyanka, J.Jayabharathi, G, Rajarajan, C. Anbuselvan and V. Thanikachalam, Mechanism and kinetics of thermal decomposition nitro-substituted nitrones, National Seminar on Theoretical and Chemical sciences (TACS 2008), Feb 22-23, 2008, Department of Chemistry, Annamalai University, pp. 46-46. Annamalai University, Department of Chemistry, Annamalai University.
N. Jayachandramani, G. Rajarajan, S. Manivarman, J. Jayabharathi and V. Thanikachalam, Kinetics and mechanism of oxidation of some substituted aldonitrones by quinolinium chlorochromate (QCC) in the absence and presence of oxalic acid in aqueous DMF medium, Recent Trends in Heteroatom Chemistry (NSHAC -– 2007), Mar 28-29, 2007, Department of Chemistry, Annamalai University, pp. 53-53. Annamalai University, Department of Chemistry, Annamalai University.
List of Conferences - International
S. Savithiri, M. Arockia doss, V. Thanikachalam and G. Rajarajan , Synthesis, spectral, antimicrobial, fluorescence and theoretical studies of 3,5-diethyl-2r, 6c-–diarylpiperidin-4-ones picrate derivatives, Emerging Trends in Chemical Sciences” (IETC-2013), Dec 5-7, 2013, Chemistry Division, School of Advances Sciences, VIT University, Vellore , pp. 204-204. Vellore, Chemistry Division, School of Advances Sciences, VIT University, Vellore .
S. Savithiri, A. Manimekalai, V. Thanikachalam and G. Rajarajan , Synthesis, spectral, antimicrobial studies of 3t-pentyl-2, 6-diaryl piperidine 4-one Phenylthiosemicarbazone, Molecular Spectroscopy of Advanced Material and Biomolecules” (IMSAB-2012) , Aug 7-9, 2012, Bishop Moore College, Mavelikara, Kerala, pp. 41-41. Mavelikara, Kerala, Bishop Moore College, Mavelikara, Kerala.
G. Rajarajan, J. Jayachandramani and V. Thanikachalam, Kinetics and mechanism of oxidation of N,α-diphenylnitrones by 4-(methylamino)pyridinium chlorochromate (DMAPCC) in aqueous DMF medium, International Conference on Spectrophysics , Feb 9-12, 2005, Pachaiyappa's College, Chennai 30, pp. 92-92. Chennai 30, Indian Spectrophysics Association, Pachaiyappa's College, Chennai 30.
A. Manimekalai and G. Rajarajan, Effects of substituents on the chemical shifts of 4-hydroxypiperidines, correlation analysis organized by International group for correlation analysis in chemistry , Aug 30-30, 1997, Bishop Heber College, Tiruchirappalli, pp. 7-7. Tiruchirappalli, Bishop Heber College.
List of Awards /Honours / Memberships
ASSOCIATION OF CHEMISTRY TEACHERS - 1355