| 摘要 |
<p>150-4353 IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS The present invention relates to compounds of formula I, I in which A is the radical of a sulpho group containing diazo component of the aniline- or aminonaphthalene-series, K is a coupling component radical of the phenol series, of which the free hydroxy group may be etherified or acylated, R1 is hydrogen, alkoxy or optionally substituted alkyl, R2 is alkyl, -CONH2 or alkyl or hydroxyalkyl bound to -CO-, -COO- or and R10 is hydrogen or C1-4alkyl, and mixtures thereof, which compounds are in free acid or salt form and are useful for dyeing or printing anionic dyeable substrates.</p> |
