反应详情

reaction of 5-fluoro-2-propoxybenzamide (16.40 g) with triethyloxonium tetrafluoroborate yielded ethyl 5-fluoro-2-propoxybenzimidate tetrafluoroborate which on reaction with a saturated solution of ethanolic ammonia yielded 5-fluoro-2-propoxybenzamidine (8.40 g);