| 微波作用下壳聚糖的O—烷基化反应 |
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| 引用本文： | 董奇志,郭振楚.微波作用下壳聚糖的O—烷基化反应[J].湘潭大学自然科学学报,2001,23(2):57-59,69. |
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| 作者姓名： | 董奇志 郭振楚 |
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| 作者单位： | 湘潭师范学院化学系, |
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| 摘 要： | 对微波辐射与常规条件下壳聚糖的O－烷基化反应进行了对比。结果表明，在微波辐射条件下，用相转移催化剂和以NaOH水溶液作为碱性试剂和载体，壳聚糖与溴代烷能迅速地发生反应，生成相应的O烷基化产物，反应速率是常规法的180多倍，极大地节约时间和提高效率，并且发现微波辐射下反应的取代度比常规法的有一定的提高。
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| 关 键 词： | 壳聚糖 O－烷基化反应 微波辐射 常规法 相转移催化剂 取代度 氢氧化钠水溶液 |
| 文章编号： | 1000-5900(2001)02-0057-03 |
O-Alkylation of Chitosan under Microwave Irradiation |
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| DONG Qizhi,Guo Zhenchu.O-Alkylation of Chitosan under Microwave Irradiation[J].Natural Science Journal of Xiangtan University,2001,23(2):57-59,69. |
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| Authors: | DONG Qizhi Guo Zhenchu |
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| Abstract: | In the presence of aqueous sodium hydroxide and phase transfer catalyst,compared with conventional method,the reaction rate of alkylation of chitosan is accelerated more 180 times under microwave irradiation .Time is saved and efficiency is enhanced markedly.The degrees of substitution were improved. |
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| Keywords: | O alkylation of chitosan microwave irradiation conventional method phase transfer catalysts |
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