Trisazo dyes

C - Chemistry – Metallurgy – 09 – B

Patent

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Details

260/158, 8/2, 8/

C09B 31/18 (2006.01) C09B 35/46 (2006.01) D06P 1/06 (2006.01)

Patent

CA 1052374

Abstract of the Disclosure Disclosed are compounds of formula I, Image I in which X is hydrogen, chlorine, C1-4alkyl or alkoxy, SO3M or CO2M, one of the Y's is hydrogen, the other -SO3M, A is a mono- or di-sulphonaphthyl radical which is optionally further substituted, or a radical (a), (a) Image in which R is hydrogen, hydroxy or C1-4alkyl or alkoxy, B is a radical of a coupling component (b1) to (b10), Image (b1) where R1 is -NH2, anilino or toluidino, R2 IS -NH2 or -OH, either R3 is hydrogen, or when R1 and R2 both are -NH2,R3 is hydrogen, -SO3M or C1-4alkyl; (b2) Image where R4 is hydrogen ox C1-4alkyl; Image (b3) where R5 is hydrogen or -CO2M; Image (b4) Image (b5) Image (b6) where one of the Y1's is hydrogen, the other -SO3M; Image (b7) Image (b8) Image (b9) where R6 is phenyl or C1-4alkyl-phenyl; Image (b10) where R7 is -OH or -NH2, R8 is hydrogen, phenyl or sulphophenyl, R9 is C1-4alkyl or -CO2M, and the M's, independently, signify hydrogen or a non-chromo- phoric cation, their production and use for dyeing and printing anionic dyeable substrates, particularly leather, paper and anodised aluminium.

229450

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