文献类型：期刊文献

英文题名：A STUDY OF THE HOMOGENEOUS REACTION BETWEEN A MODEL CIBACRON PRONT REACTIVE DYE AND METHYL-ALPHA-D-GLUCOSIDE

作者：ZHU, ZH; JI, CZ

年份：1992

卷号：19

期号：4

起止页码：265

外文期刊名：DYES AND PIGMENTS

收录：;WOS:【SCI-EXPANDED(收录号:WOS:A1992KA23300004)】；

语种：英文

摘要：The reaction between a methoxy-triazinyl reactive dye and methyl-alpha-D-glucoside is studied in water-dioxane solution. The attacking site of different OH groups in the methyl-alpha-D-glucoside is determined by AM 600 H-1 NMR spectroscopy and the reaction products are separated by thin-layer chromatography-double scanning. It is shown that only the C6 and C4 hydroxyl groups are involved. The relative rates of reaction (k6/k4 = 12) at 60 and 70-degrees-C are determined. The rate constants of the hydrolysis of the methoxytriazinyl dye-glucoside (for both D6 and D4) were measured kinetically. For D6 the rate constants of hydrolysis at 80 and 90-degrees-C are 0.409 and 0.923 min-1, respectively. For D4 the rate constants of hydrolysis at 80 and 90-degrees-C are 0.0189 and 0.0433 min-1, respectively.