申请人:BASF Aktiengesellschaft
公开号:US05225595A1
公开(公告)日:1993-07-06
Sulfonyl compounds of the formula ##STR1## where Ar is the radical of a benzene or naphthalene ring, R.sup.1 and R.sup.2 are each hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.4 -alkoxy, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, cyano, halogen or hydroxysulfonyl, R.sup.3 is nitro, amino, C.sub.1 -C.sub.4 -alkanoylamino or benzoylamino, and R.sup.4 is a radical of the formula ##STR2## where X.sup.1, X.sup.2 and X.sup.3 are each hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or substituted or unsubstituted phenyl, and X.sup.4 is a group which is detachable under alkaline conditions, either in the free form or in the form of their salts, are useful for synthesizing reactive dyes.
式为##STR1##的磺酰基化合物,其中Ar是苯环或萘环的基团,R.sup.1和R.sup.2分别是氢,取代或未取代的C.sub.1-C.sub.4烷基,取代或未取代的苯基,C.sub.1-C.sub.4烷氧基,羧基,C.sub.1-C.sub.4烷氧羰基,氰基,卤素或羟基磺酰基,R.sup.3是硝基,氨基,C.sub.1-C.sub.4酰胺基或苯甲酰胺基,R.sup.4是公式##STR2##的基团,其中X.sup.1,X.sup.2和X.sup.3分别是氢,取代或未取代的C.sub.1-C.sub.4烷基或取代或未取代的苯基,X.sup.4是在碱性条件下可分离的基团,无论是在自由形式还是在其盐的形式下,都可用于合成反应染料。