About author: Ramesh Dhani Dept. of Pharmaceutical Chemistry JNTUA – OTRI, India E-mail : dhanipharmachem@gmail.com Abstract: Recently in benzimidazole chemistry has been revived somewhat by the discovery that the 5,6-dimethyl benzimidazole moiety is a part of the chemical structure of vitamin B12.The benzimidazoles are also known as benziminazolones or benzoglyoxalines.The new benzimidazole derivative i.e, 2-mercapto benzimidazole was synthesized.The melting point ... Read More »