Kuppuswamy Nagarajan (born 15 September 1930 Sirupalai Village, Tamil Nadu) is an Indian organic chemist.
He earned a Ph.D. with Prof. T. R. Govindachari, Presidency College, Madras.
He won the Shanti Swarup Bhatnagar Prize for Chemical Sciences, 1974;
Selected papers
Kuppuswamy Nagarajan, Vunnam R. Rao, Rashmi K. Shah, Sharada J. Shenoy, Hans Fritz, Wilhelm J. Richter, Dieter Muller, "Condensed Heterotricycles. Synthesis and Reactions of b-Fused 1(2H)-Isoquinolinones with unusual enaminic properties", Helvetica Chimica Acta, Volume 71, Issue 1, pages 77–92, 3 February 1988 Kuppuswamy Nagarajan, Patrick J. Rodriguesa and Munirathinam Nethajib, "Vilsmeier-Haack reaction of 1-methyl-34-dihydroisoquino lines-unexpected formation of 2,3-bisdimethylamino-5,6-dihydropyrrolo (2,1- ) isoquinolines", Tetrahedron Letters, Volume 33, Issue 47, 17 November 1992, Pages 7229-7232 Kuppuswamy Nagarajan, Joy David, Agasaladinni N. Goud, 10-Alkyl- and 10-aminoalkyl-2,2'-bis(trifluoromethyl)-3,10'-biphenothiazines, J. Med. Chem., 1974, 17 (6), pp 652–653, June 1974