发明名称 Method for the preparation of a reactive dye
摘要 <p>A reactive dye which in the free acid form has the formula: <CHEM> wherein: A is the residue of a diazo component; the -NRY group is attached to the naphthalene nucleus in the 6- or 7-position relative to the -OH group; n is 0 or 1, the SO3H group, when n is 1, being attached to the 5-position or to whichever is free of the 6- and 7-positions; R is optionally substituted alkyl or alkenyl containing up to 10 carbon atoms; Q is H or optionally substituted alkyl or alkenyl containing up to 10 carbon atoms; Z is an optionally substituted aryl group; D is H, chloro, C1-4-alkoxy, SO3H or C1-4-alkyl; B is OH or NR<1>R<2>; and R<1> and R<1> are independently selected from H and optionally substituted alkyl or alkenyl containing up to 10 carbon atoms.</p>
申请公布号 IN182521(B) 申请公布日期 1999.04.24
申请号 IN1990DE27319 申请日期 1990.03.20
申请人 ZENECA LIMITED 发明人 RENFRW ANDREW HUNTER MORRIS;TAYLOR JOHAN THONY
分类号 C09B62/085;(IPC1-7):C09B29/30 主分类号 C09B62/085
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