摘要:
A compound of the following formula in the free acid form, wherein R and R, are each hydrogen or alkyl, A is a divalent group of the formula, or wherein R 3 , R 4 and R s are each-hydrogen, methyl, ethyl, methoxy or ethoxy, m is 0 or 1, n, u and v are each 0, 1 or 2, p is 0, 1, 2 or 3, q and s are each an integer of 2 to 6, and r is 1 or 2, B, is phenylene or naphthylene, Z, is vinyl, β-sulfatoethyl or the like, ℓ is 0, 1 or 2, and X is a group of the formula, or wherein R 2 is hydrogen or alkyl, B 2 is phenylene or naphthylene, Z 2 is vinyl, β-sulfatoethyl or the like, R 6 and R 7 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, and R, A an t are as defined above, which is useful for dyeing or printing fiber materials to give a dyed or printed product of a brilliant blue color superior in fastness properties such as light fastness and perspiration-light fastness, with superior build-up property.
摘要:
A compound of the following formula in the free acid form, wherein R and R, are each hydrogen or alkyl, A is a divalent group of the formula,
or wherein R 3 , R 4 and R s are each-hydrogen, methyl, ethyl, methoxy or ethoxy, m is 0 or 1, n, u and v are each 0, 1 or 2, p is 0, 1, 2 or 3, q and s are each an integer of 2 to 6, and r is 1 or 2, B, is phenylene or naphthylene, Z, is vinyl, β-sulfatoethyl or the like, ℓ is 0, 1 or 2, and X is a group of the formula, or wherein R 2 is hydrogen or alkyl, B 2 is phenylene or naphthylene, Z 2 is vinyl, β-sulfatoethyl or the like, R 6 and R 7 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, and R, A an t are as defined above, which is useful for dyeing or printing fiber materials to give a dyed or printed product of a brilliant blue color superior in fastness properties such as light fastness and perspiration-light fastness, with superior build-up property.