| 摘要 |
<p>Dyes of general formula: (in which n is 1 or 2, D is a group of the benzthiazole, thiazole, isothiazole, thiadiazole or benzoisothiazole series, R1 is 1-8C alkyl, phenyl, methyl phenyl, chlorophenyl, bromophenyl or methoxy phenyl, R2 is a cyano, opt. N-subs. carbonamide, or opt. subs. carbalkoxy with 1-8C alkyl, and R3 is an opt. subs. 1-8C alkyl, benzyl, beta-phenyl ethyl, phenyl, methyl phenyl, methoxy phenyl, chlorophenyl, dimethylamino phenyl or diethylamino phenyl group. If R3 contains a phenyl group this may carry another -SO3H group.) They are suitable for dyeing polyamides and wood in yellow to red shades.</p> |
