| 摘要 |
<p>A naphtholactam dyestuff of the general formula (I) (I) , in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, X represents -COOH,-CC0? cation?, a modified carboxyl group, the radical-SO2-T or a heterocyclic radical, T denoting alkyl, alkenyl or, preferably, aryl, M represents hydrogen or a cation, Y represents a free or modified carboxyl group, Z represents a non-ionic substituent, n represents 0, 1 or 2, A represents a heterocyclic radical or -CN and B and C can carry further non ionic substituents. The new dyestuffs give brillant yellow and red shades on polyester and polyamide fibres.</p> |
