| 摘要 |
NEW MATERIAL:The compound of formula I (X and Y are H, Cl, Br or nitro; Z is H, methyl or acylamino; R<1> is alkyl or allyl; R<2> is phenyl or benzyl which may be substituted with Cl). EXAMPLE:The compound of formula II. USE:Dye for dyeing polyester fiber and cloth in red - purple color having excellent fastness to washing, alkali-sweat, and water. PREPARATION:The amine of formula III (e.g. 2-amino-4,6-dichlorobenzothiazole) is diazotized, and coupled with the aniline compound of formula IV (e.g. N-ethyl- N-chlorobenzoxyethylaniline).
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