申请人:Tosoh Corporation
公开号:EP0137494A2
公开(公告)日:1985-04-17
A process for producing an α-halogeno-β-phenylpropionic acid represented by the general formula:
where X is a halogen atom, which comprises hydrolyzing under heating a halogen-containing ethylbenzene derivative represented by the general formula:
where W is a cyano group, an amidocarbonyl group or a lower alkoxycarbonyl group, and X is as defined bove, in an aqueous mineral acid solution under vigorous stirring.
一种生产α-卤代-β-苯基丙酸的工艺,其通式为: 其中 X 为卤素原子,该工艺包括在剧烈搅拌下,在矿物酸水溶液中加热水解通式为: 其中 W 为氰基、脒基或低级烷氧羰基,且 X 如上文所定义的含卤乙苯衍生物。