活性ハロゲン2個を有するハロベンゼン型反応性染料
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概要
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Reactive dyes of halobenzene type containing two active halogen atoms were synthesized. Acid dyes of azo-, anthraquinone-and phthalocyanine type having amino group capable of acylation, were acylated with dihalonitrobenzenesulfonyl chloride (1) or (2), and reactive dyes of general formula (3) or (4) were obtained. (D=color component) These dyes combined with cellulose in the presence of alkali; and it was found that dyes of type (4) were more reactive than dyes of type (3), and dyes of type (3) and (4) were more reactive than corresponding dyes which contain only one active halogen atom. Accordingly, with these dyes dyeing could be carried out under mild condition, and it was considered that, by usual dyeing method these dyes react with cellulose by only one halogenatom.
- 社団法人 有機合成化学協会の論文
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