| abstract |
Disclosed is a process for the production of imidazo[1,2-c][2,3]benzodiazepines of general formula 1as defined in the specification by esterification of a compound of general formula 4 followed by condensation with ammonia to a compound of formula 6. The compound of formula 6 is converted to a compound of formula 1 by way of hydrazinolysis. Also disclosed are phenylacetic acid esters of general formula 5 and oxazole derivatives of formula 6 as intermediates in the process described. |