)-ones was prepared by …….alkylation of salicylamides with phenacyl bromides followed by cyclodehydration of the resulting amides. Treatment of the 1,4-benzoxazepine-5(4
)-ones was prepared by …….alkylation of salicylamides with phenacyl bromides followed by cyclodehydration of the resulting amides. Treatment of the 1,4-benzoxazepine-5(4