Synthesis of dibenzo[c,f]-1,2-oxazepines as primary stable photo-products in the photolyses of acridine 10-oxides
Abstract
The dibenzo[c,f]-1,2-oxazepines (2a and 2b) were obtained as the major products from 9-cyano- and 9-chloro-acridine 10-oxides by irradiation in benzene.