| 摘要 |
Compounds of the formula <IMAGE> in which A1 and A2 may be hydrogen, alkyl, alkoxy, hydroxy, halo, trifluoromethyl, alkoxyalkoxy, hydroxyalkyl, hydroxyalkoxy, alkoxyalkyl, sulfamoyl, N-alkylsulfamoyl, carboxylic acyl or carboxylic acylamino, B1 and B2 are each hydrogen, lower alkoxy, lower alkyl, chloro, bromo, trifluoromethyl, alkoxyalkoxy, hydroxyalkyl, hydroxyalkoxy, or alkoxyalkyl, wherein at least one of A1, A2, B1, or B2 is alkoxy, and D represents a hydroxy or amino naphthyl or a benzylamino substituted phenyl group, are valuable dyestuffs for natural and synthetic polyamide fibers giving substantially complete exhaustion from neutral or acid aqueous dyebaths without further addition of chemical agents.
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