【発明の名称】ジスアゾ化合物

Japanese Patent JPS5945013

B2

Disclosed are compounds of the formula, or WHEREIN D is, X is -COOM or -SO3M, R1 and R2, independently, are hydrogen, halogen, C1-3alkyl or C1-3alkoxy, M IS 1, 2 OR 3, AND, WHEN 3, THE TWO SULPHO GROUPS ARE OTHER THAN ON ADJACENT CARBON ATOMS, N IS 1 OR 2, WITH THE PROVISO THAT THE SUM OF N + M IS 3 OR 4, R3 is hydrogen, C1-3alkyl or C1-3alkoxy, R4 is hydrogen or C1-3alkyl, R3 and R4, when both other than hydrogen, being in para position relative to each other, R is hydrogen or, it being hydrogen only when D is, in which the -COOM group is m- or p- to the azo linkage, R5 is -CHR6-CHR6-O-CHR7CH2O-pH, either both R6's are hydrogen, or one of the R6's is hydrogen, the other methyl or ethyl, R7 is hydrogen, methyl or ethyl, R8 is hydrogen, C1-6alkyl or -CHR6-CHR6-O-CHR7CH2O-qH, Y is -NR9R10 or -N(R11)-CHR6