| 摘要 |
The present invention provides useful new fibre-reactive disperse dyes of the formula (1) <IMAGE> (1) wherein R1 represents hydrogen or alkyl, R2 represents hydrogen, alkyl, cycloalkyl, aralkyl or substituted or unsubstituted phenyl, and R1 and R2, together with the nitrogen atom to which they are attached, can also form a 5- to 7-membered heterocyclic ring, R3 represents hydrogen or alkyl, R4 represents an alkyl radical of 1 to 6 carbon atoms which is substituted in alpha - and beta -position, preferably only in alpha -position, by halogen, for example bromine and above all chlorine, or represents an alpha , beta -unsaturated alkene radical which can be substituted in alpha - or beta -position by halogen, such as bromine and above all chlorine, A represents an alkylene or cycloalkylene radical which optionally contains oxygen or sulphur, X represents hydrogen, chlorine, bromine, cyano or COOR5, and R5 represents alkyl, A PROCESS FOR THE MANUFACTURE OF THESE ANTHRAQUINONE DYES AND A METHOD OF USING THEM FOR DYEING AND PRINTING ORGANIC FIBRE MATERIAL, IN PARTICULAR NATURAL AND SYNTHETIC POLYAMIDES, AND THE MATERIAL WHICH IS DYED WITH THESE DYES.
|
