申请人:IHARA CHEMICAL INDUSTRY Co., Ltd.
公开号:EP0289942A2
公开(公告)日:1988-11-09
A process for producing a fluorobenzaldehyde of the formula:
wherein X is a chlorine atom, a bromine atom or an iodine atom, n is an integer of from 1 to 5, and m is an integer of from 1 to 5, provided n ≧ m, which comprises reacting a halogenated benzaldehyde of the formula:
wherein X and n are as defined above, with a metal fluoride in the presence of a catalyst, wherein at least one member selected from the group consisting of quaternary phosphonium salts and quaternary ammonium salts is used as the catalyst.
一种生产式中的氟苯甲醛的工艺:
其中 X 为氯原子、溴原子或碘原子,n 为 1 至 5 的整数,m 为 1 至 5 的整数,条件是 n ≧ m,该工艺包括使式:
其中 X 和 n 如上文所定义,在催化剂存在下与金属氟化物反应,其中至少使用一种选 自季鏻盐和季铵盐组成的组的成员作为催化剂。