发明授权
US4147865A Benz-(C,D)-indolyl compounds 失效
Benz-(C,D) - 吲哚基化合物

Benz-(C,D)-indolyl compounds
摘要:
The invention relates to compounds of the formula ##STR1## WHEREIN Z denotes OH or NR.sup.1 R.sup.2,R.sup.1 denotes hydrogen, alkyl, aralkyl, cycloalkyl or aryl,R.sup.2 denotes hydrogen or alkyl or, conjointly with R.sup.1, forms an alkylene chain.The dyestuffs are outstanding suitable for the dyeing of polyester fibres. The yellow and reddish dyeings are distinguished by good fastness to light.
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