| abstract |
Reactive dyestuffs of the formula R is a member selected from the group consisting of H and lower alkyl; D is an azo dyestuff chromophoric radical Hal is F, C1, or Br; N IS ONE OF THE INTEGERS 1 OR 2; AND X is a monovalent electron-donnor substituent, selected from the group of lower alkoxy, phenoxy, halogen-substituted phenoxy, lower alkyl-substituted phenoxy, lower alkoxy-substituted phenoxy, lower alkylthio, phenylthio, halogen-substituted phenylthio, lower alkyl-substituted phenylthio, lower alkoxysubstituted phenylthio, lower alkylamino, di(lower)alkylamino, phenylamino, N-lower alkyl-N-phenylamino, N-lower alkyl-Nhalogen-phenylamino, N-lower alkyl-N-lower alkylphenylamino, Nlower alkyl-N-lower alkoxyphenylamino, piperidino or morpholino, halogen being chloro or bromo. These dyes are suitable for the dyeing of natural and synthetic polyamide fibers as well as for textile fibers containing hydroxyl groups, particularly for natural or regenerated cellulose fibers. The obtained dyeings and prints are distinguished by excellent wet fastness properties and good fastness to light. |