NEW SULFUR DYES OF THE CARBAZOL SERIES, THEIR PRODUCTION AND USE, AND NEW INTERMEDIATE PRODUCTS

摘要

Carbazoleazomethines are prepared and sulfur dyestuffs are prepared by sulphurizing a carbazoleazomethine of the formula IMAGE wherein R1 is hydrogen, hydroxyl, halogen, nitro, alkyl having 1 to 8 carbon atoms, alkoxy having 1 to 8 carbon atoms, dialkylamino having 1 to 4 carbon atoms per alkyl, alkanoyloxy having 1 to 8 carbon atoms, benzoyloxy, alkanoylamino having 1 to 8 carbon atoms or benzoylamino; R2 is hydrogen, hydroxyl, halogen, alkyl having 1 to 8 carbon atoms or alkoxy having 1 to 8 carbon atoms; R3 is hydrogen or alkyl having 1 to 7 carbon atoms; R4 is hydrogen or halogen; and R5 is hydrogen or alkyl having 1 to 8 carbon atoms.