| 摘要 |
NEW MATERIAL:A compound of formula I [M is H or alkali metal; R<1> is H, halogen, lower alkyl, carboxyl, etc.; R<2> is H, lower alkyl, sulfonic acid, etc.; R<3> is H, lower alkyl, -NHCONH2, etc.; R<4> is H or lower alkyl; Z is halogen, of formula II (D is -COOM or -CONH2; l is 0 or 1), etc.; m is 1-3; n is 0 or 1; benzene rings A and B may represent naphthalene ring]. EXAMPLE:A compound of formula III. USE:For dyeing cellulose fibers, nitrogen-contg. fibers, etc.; capable of dyeing cellulose fibers under the dyeing conditions for polyester fibers. PREPARATION:For example, 1mol of a disazo compound of formula IV (Z<1> is halogen) and 1mol of a second disazo compound of formula V are condensed at 90 deg.C to form a tetrazo compound. 1mol of this compound and 1mol of a compound of formula VI are condensed.
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