申请人:Hoechst Aktiengesellschaft
公开号:US04992589A1
公开(公告)日:1991-02-12
Compounds of the formula (1) ##STR1## in which X denotes a sulfur atom or the group ##STR2## in which R denotes a hydrogen atom, an alkylene-C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.6 - or alkyl-C.sub.1 -C.sub.6 - group, each of which can be substituted by hydroxyl, sulfo, carboxyl or cyano groups, R.sub.1 denotes a hydrogen atom or an alkyl-C.sub.1 -C.sub.6 -group which can be substituted by --SO.sub.3 M or COOM groups (where M denotes an H, Li, Na, K or Ca atom), hydroxyl, amino, methylamino, acetylamino, alkyl-C.sub.1 -C.sub.4 -sulfonylamino, methoxy, ethoxy, .beta.-hydroxyethylsulfonyl, phenyl, monosulfophenyl, disulfophenyl, or 4-[.beta.-hydroxyethylsulfonyl]-2-sulfophenyl groups, or represents a phenyl or naphthyl group, each of which can be substituted by --SO.sub.3 M or COOM groups (where M denotes an H, Li, Na, K or Ca atom), alkyl-C.sub.1 -C.sub.4 -, alkoxy-C.sub.1 -C.sub.4 -, amino, methylamino, alkyl-C.sub.1 -C.sub.4 -sulfonylamino or acetylamino groups, and R.sub.2 is hydrogen or oxygen, and process for their preparation by reacting compounds of the formula (2) ##STR3## in which Y denotes a chlorine or bromine atom, with a compound of the formula (3) H--X--R.sub.1 (1) in which X and R.sub.1 have the stated meanings, at between 20.degree. and 90.degree. C. in a solvent which is suitable in respect of the reactants of the formulae (2) and (3) and in the presence of an acid-binding agent to give compounds of the formula (4) ##STR4## in which X and R.sub.1 have the stated meanings, and if desired using these compounds in a manner known per se to compounds of the formula (1) where R.sub.2 =H.
式子(1)的化合物:##STR1## 其中X表示硫原子或者基团##STR2## 其中R表示氢原子,烷基-C.sub.1-C.sub.4-甲氧基-C.sub.1-C.sub.6-或者烷基-C.sub.1-C.sub.6-基团,每个基团都可以被羟基、磺酸、羧酸或氰基取代,R.sub.1表示氢原子或者烷基-C.sub.1-C.sub.6-基团,该基团可以被--SO.sub.3M或COOM基团取代(其中M表示H、Li、Na、K或Ca原子),羟基、氨基、甲基氨基、乙酰氨基、烷基-C.sub.1-C.sub.4-磺酰胺基、甲氧基、乙氧基、β-羟乙基磺酰基、苯基、单磺酸苯基、二磺酸苯基或4-[β-羟乙基磺酰基]-2-磺酸苯基基团,或者代表苯基或萘基,每个基团都可以被--SO.sub.3M或COOM基团取代(其中M表示H、Li、Na、K或Ca原子),烷基-C.sub.1-C.sub.4-、烷氧基-C.sub.1-C.sub.4-、氨基、甲基氨基、烷基-C.sub.1-C.sub.4-磺酰胺基或乙酰氨基基团,R.sub.2是氢或氧,以及通过将式子(2)##STR3## 中的化合物(其中Y表示氯或溴原子)与式子(3)H--X--R.sub.1(1)中的化合物(其中X和R.sub.1具有上述含义),在适宜于式子(2)和(3)的反应物的溶剂中,在20℃至90℃之间,在酸性吸附剂的存在下反应,制备式子(4)##STR4## 其中X和R.sub.1具有上述含义,如果需要,使用这些化合物以已知的方式制备式子(1)的化合物,其中R.sub.2=H。