Evaluation of Some Anti-Inflammatory Pyrimidobenzimidazoles Synthesized via Novel Tin (II) Chloride-Hydrochloric Acid Assisted Water Addition and Reduction of 4, …
Sham M. Sondhi,*“Archana Magan,“Rajesh Sahu, a Vijendra K. Mahesh,“Rakesh Shukla, b Gyanendra K. Patnaikb “Department of Chemistry, University of Roorkee, Roorkee-247667, India b Department of Pharmacology, CRDI, Lucknow, India Received 28 March 1994; revised 7 June 1994 4, 4, o~ Trimethyl-1-(2-nitroaryl)-1, 4-dihydropyrimidine-2 (3H)-thiones (Ia—c) on reduction with Al/Hg amalgam gave 1-(2-aminoaryl)-4, 4, 6-trimethyl~ 1, 4- ...