M, SARASWATHI; RM, ROHINI; RANAPRATHAPSINGH, RANAPRATHAPSINGH; NAYEEM, NAIRA
(Karachi: Faculty of Pharmacy & Pharmaceutical Sciences, Karachi, 2010-10-18)
The intermediate Benzimidazo[1,2-c] quinazolin-6(5H)-thione (1) was obtained by cyclization of 2-(2’-
aminophenyl) benzimidazole with carbon disulfide. Mannich base (2a-d) of compound (1) was obtained on
treatment with ...