申请人:Shimomura Naoyuki
公开号:US20060058370A1
公开(公告)日:2006-03-16
In the present invention, the methods of producing a fluorinated cyclic benzamidine derivative (A), or a salt thereof, comprise the step of reacting a specific novel compound with ammonia or imide. The methods of this invention for producing a morpholine-substituted phenacyl derivative (B), or a salt thereof, comprise reaction of a specific novel compound with morpholine, reaction of the product with a halogenating reagent, and deketalization of the product. The methods of this invention for a producing cyclic benzamidine derivative (C), or a salt thereof, comprise the step of coupling compound (A), or a salt thereof, with compound (B), or a salt thereof, in the presence of an ether or a hydrocarbon. The methods of this invention for recrystallizing a cyclic benzamidine derivative (C), or a salt thereof, comprise the steps of dissolving compound (C), or the salt thereof, in a mixed solvent comprising an alcohol and water, or a mixed solvent comprising an ether and water, and after dissolution, adding additional water to precipitate crystals of compound (C), or the salt thereof.
本发明的方法用于制备氟代环状苯甲酰胺衍生物(A)或其盐,包括将一种特定的新化合物与氨或酰亚胺反应的步骤。本发明用于制备吗啉取代苯乙酰衍生物(B)或其盐的方法,包括将一种特定的新化合物与吗啉反应,将产物与卤代试剂反应,以及去除保护基。本发明用于制备环状苯甲酰胺衍生物(C)或其盐的方法,包括在醚或烃的存在下,将化合物(A)或其盐与化合物(B)或其盐偶联。本发明用于重结晶环状苯甲酰胺衍生物(C)或其盐的方法,包括将化合物(C)或其盐溶解在由醇和水或醚和水组成的混合溶剂中,溶解后加入额外的水以沉淀化合物(C)或其盐的晶体。