Disazo dyestuffs

Details Disazo dyestuffs Disazo dyestuffs

C - Chemistry, Metallurgy

09

B

8/25, 260/162.2

C09B 31/04 (2006.01) C09B 43/16 (2006.01) D06P 1/02 (2006.01) D21H 21/28 (2006.01)

Patent

CA 1068263

Abstract of the Disclosure Disclosed are compounds of formula I, Image I in which R1 and R11, independently, are hydrogen, methyl, methoxy, chlorine, -NHCOCH3 or -NHCONH2, . R2 and R12, independently, are hydrogen, methyl or methoxy, R3 is hydrogen, C1-4alkyl, hydroxy-C2-3- alkyl or hydroxy-(C2-3alkoxy)-C2-3- alkyl, R4 is C1-4 alkyl, hydroxy-C2-3-alkyl or hydroxy-(C2-3alkoxy)-C2-3-alkyl, the M's, independently, are hydrogen, lithium, sodium, potassium, ?H4, ?H2R3'R4' or ?R5R6R7R8, R3' and R4', independently therefrom, have the significances of R3 and R4, above, respectively, R5 is hydrogen, C1-4alkyl or hydroxy- C2-3alkyl, R6, R7 and R8, independently, are C1-4- alkyl or hydroxy-C2-3alkyl, and m, n, p and q, independently, are 1 or 2, their production and use as dyestuffs, particularly for paper.

242015

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