申请人:Ihara Chemical Industry Co., Ltd.
公开号:US04267317A1
公开(公告)日:1981-05-12
A phenoxyalkene derivative having the formula ##STR1## wherein R represents a hydrogen atom, ##STR2## and Y and Z are the same or different and respectively represent a hydrogen atom, trifluoromethyl group, a halogen atom, a lower alkyl group, nitro group or cyano group; R.sub.1 represents a hydrogen atom or a lower alkyl group and R.sub.2 represents carboxyl, hydroxymethyl, allyloxycarbonyl, a lower alkoxycarbonyl, a lower haloalkoxycarbonyl, a S-lower alkylthiocarbonyl, carbamoyl, a N-lower alkylcarbamoyl or a N-phenylcarbamoyl group is produced by reacting a phenol compound having the formula ##STR3## with a dihalogen compound having the formula ##STR4## wherein R, R.sub.1 and R.sub.2 are defined above and X.sub.1 represents a halogen atom and X.sub.2 and X.sub.3 are different and respectively represent a hydrogen atom or a halogen atom, by a simultaneous reaction of an etherification and an unsaturated double bond formation, in the presence of a dehydrogenhalide agent and a polar solvent or a combination of a nonpolar solvent and a quaternary ammonium salt or a quaternary phosphonium salt.
一种具有以下式子的苯氧烯衍生物:##STR1## 其中R代表氢原子,##STR2## 而Y和Z分别相同或不同,分别代表氢原子,三氟甲基基团,卤素原子,较低的烷基基团,硝基或氰基;R.sub.1代表氢原子或较低的烷基基团,而R.sub.2代表羧基,羟甲基,烯丙氧羰基,较低的烷氧羰基,较低的卤代烷氧羰基,S-较低的烷基硫氧羰基,氨基甲酰基,N-较低的烷基氨基甲酰基或N-苯基氨基甲酰基基团。通过在脱卤代剂和极性溶剂或非极性溶剂和季铵盐或季膦盐的组合物存在下,通过醚化和不饱和双键形成的同时反应,将具有以下式子的酚化合物:##STR3## 与具有以下式子的二卤化合物反应:##STR4## 其中R,R.sub.1和R.sub.2如上所定义,而X.sub.1代表卤素原子,X.sub.2和X.sub.3分别代表氢原子或卤素原子而制备而成。