申请人:Hoechst Aktiengesellschaft
公开号:US04001221A1
公开(公告)日:1977-01-04
Compounds of the formula (I) ##STR1## in which R is hydrogen, or lower alkyl, which may be substituted by phenyl, hydroxy, lower carbalkoxy or cyano, X is hydrogen, chlorine, methyl, methoxy, cyano or lower carbalkoxy, n is 1 to 3, and A is an aromatic carboxylic group or an aromatic hetero-cyclic 5- or 6-membered group as well as their N-alkylated quaternary reaction products. These compounds are useful as optical brighteners for lacquers, natural or synthetic fibers and films, foils or other shaped forms made therefrom.
式(I)的化合物 ##STR1## 中,其中R为氢或较低的烷基,可以被苯基、羟基、较低的羰基或氰基取代,X为氢、氯、甲基、甲氧基、氰基或较低的羰基,n为1至3,A为芳香羧基或芳香杂环5-或6-成员环,以及它们的N-烷基化季铵反应产物。这些化合物可用作光亮剂,用于清漆、天然或合成纤维和薄膜、箔或由其制成的其他成型形式。