Copper-containing reactive dye
专利汇可以提供Copper-containing reactive dye专利检索，专利查询，专利分析的服务。并且NEW MATERIAL:A dye shown by the formulaI[X is β-(thio)sulfatoethyle, etc.; Y is H, SO
3 H, etc.; R
1 is (SO
3 H-substituted)0-phenylene, etc.; R
2 is SO
3 H, NO
2 , etc.; R
3 is (substitute)phenyl; with the proviso that total number of SO
3 H linked to phenyls of R
1 WR
3 is 1W4]in the form of a free acid.
EXAMPLE: A compound shown by the formula II.
USE: Dyeing or coloring wool, silk, especially cellulose fibers into clear blue type color by dipping, having high fastness to washing, clorine, and light.
PROCESS: For example, a compound shown by the formula III is diazotized, reduced, and saponified to give a hydrazine compound, which is condensed with a benzoaldehyde to give a hydrazone compound shown by the formula IV. This compound is coupled with a diazonium compound, reacted with a copper salt, and hydrolyzed to give an amino group-containing formazan compound shown by the formula V. This compound is then condensed with 1,3,5-trichlorotriazine and a compound shown by the formula VI.
COPYRIGHT: (C)1982,JPO&Japio，下面是Copper-containing reactive dye专利的具体信息内容。
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