(2R, 2--R and 3a) -2- 1- (3,5- bis (trifluoromethyl) phenyl) ethoxy synthetic method of -3- (4- fluoro phenyl) -1,4- oxazine

摘要

(57) Abstract This invention (2R, 2--R and 3a) the -2- [the 1- (3,5- bis (trifluoromethyl) phenyl) the ethoxy] the -3- (4- fluoro phenyl) regards manufacturing methodological raw -1,4- oxazine is new. As for this chemical compound it is useful as the intermediate field in synthesizing the chemical compound which possesses pharmacology activity.