Bis-v-triazolyl-stilbenes

Abstract

Abstract The invention provides compounds of formula I, D R A W I N G IN WHICH Y4 signifies hydrogen or C1-6alkyl, AND M signifies hydrogen or a non-chromophoric cation, their production and use as optical brightening agents, particularly for cellulosic and polyamide substrate. in which Y2 signifies naphthyl, unsubstituted or substituted by C1-6alkyl, C1-4alkoxy or -SO3M; or phenyl, unsubstituted or substituted by one or more substituents selected from fluorine, chlorine, C1-6alkyl, C1-6alkoxy and -SO3M, and Y3 signifies hydrogen; chlorine; C1-6alkyl; or phenyl, unsubstituted or substituted by one or more substituents selected from C1-6alkyl, C1-6alkoxy, fluorine, chlorine and SO3M; -COOM; -CONR3R4; or -COOR5, and IN WHICH Y1 signifies C1-6alkyl; or phenyl, unsubstituted or substituted by one or more substituents selected from C16alkyl, C1-6alkoxy, fluorine, chlorine and -SO3M, and X3 signifies -O- or -NY5-, where Y5 signifies hydrogen or C16alkyl, unsubstituted or substituted by hydroxy, chlorine or SO3M, in which X1 and X2, independently, each signifies hydrogen, chlorine or a group selected from -SO3M, -COOM, -SO2NR3R4, CONR3R4, -SO3R5, -CN, -CO2R5 and -SO2R6, in which either R3 signifies hydrogen; C1-6alkyl, unsubstituted or substituted by hydroxy or phenyl; cyclohexyl; or phenyl, unsubstituted or substituted by one or more substituents selected from halogen, C1-6alkyl or alkoxy, cyano or -SO3M, and R4 signifies hydrogen or C1-6alkyl, unsubstituted or substituted by hydroxy, OR R3 and R4, together with the nitrogen to which they are attached, signify a piperidine, pyrrolidine, morpholine or Nmethylpiperazine ring, R5 signifies C1-6alkyl, unsubstituted or substituted by C16alkoxy; or phenyl, unsubstituted or substituted by one or more substituents selected from C1-6alkyl, C1-6alkoxy, fluorine, chlorine or cyano, R6 signifies C1-6alkyl, unsubstituted or substituted by hydroxy, C1-6alkoxy, C1-6hydroxyalkoxy, aminocarbonyl or SO3M; or phenyl, unsubstituted or substituted by one or more substituents selected from C1-6alkyl, C1-6alkoxy, fluorine, chlorine or cyano, THE R1''s, which are the same, each signify hydrogen; chlorine; C1-6alkyl; or phenyl unsubstituted or substituted by one or more substituents selected from C1-6alkyl, C1-6alkoxy, fluorine, chlorine or phenyl, THE R2''s, which are the same, each signify a radical of formula (a), (b) or (c),

Inventors

• 👤 Fritz Fleck
• 👤 Horst Schmid
• 👤 Alec Victor Mercer
• 👤 Roger Paver

Bibliographic Details