| 摘要 |
NEW MATERIAL:A compound of formula I (X is H, alkoxy, chlorine, methyl, or alkoxyalkyl; Y is H, chlorine, methyl, methoxy, or acylamino; R is 4-8C alkyl or 3-chloropropyl). EXAMPLE:A compound of formula II. USE:For dyeing polyester fiber blue with high light, sublimation, washing, sweat, water resistance and high fastness; and for dyes of excellent heat resistance and alkali dischargeproofness. PREPARATION:2-amino-5-nitrothiazole is first diazotized, followed by coupling with an aniline of formula III.
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