US7608615: Pyrrolo[2,1-c][1,4]benzodiazepine hybrids and a process for the preparation thereof

The invention provides quinazolinone linked pyrrolo[2,1-c][1,4]benzodiazepine hybrid of general formula 5, wherein, R is alkyl or halo group selected from H, Cl, F or CH3 and n=1 to 3 useful for antitumour/anticancer activity. The invention also provides a process for the preparation of quinazolinone linked pyrrolo [2,1-c][1,4] benzodiazepine hybrid general formula 5.