第 35 卷第 2 期 Vol. 35 No. 2 2005 年 4 月 Apr 2005

所属栏目：其它 甲基亚膦酸二乙酯的合成工艺研究

王宏亮; 邵生富; 徐芸; 饶火涛(浙江嘉化实业股份有限公司; 浙江嘉兴)

摘　要：利用三氯化磷与乙醇在合适的缚酸剂(N,N—二甲基苯胺)作用下生成二乙氧基氯化磷,再与甲基氯化镁反应生成甲基亚膦酸二乙酯,并选用合适的溶剂进行分离.产品收率40.3%,纯度97.5%。

关键词：草铵膦; 中间体; 甲基亚膦酸二乙酯; 合成

中图分类号：TQ014　　文献标识码：A　　文章编号：1009-9212(2005)02-0054-03

Studies on the Synthetic Process of Diethyl Methyl-Phosphonite—Intermediate of glufosinate

WANG Hong-liang; SHAO Sheng-fu; XU Yun; RAO Huo-tao （Zhejiang Jiahua Chemicals Corporation; Jiaxing 314021; China）

Abstract：Diethyl Phosphonite Chloride was prepared by phosphorus trichloride and alcohol under N,N-dimethyl aniline, then reacted with CH (3)MgCl. Appropriate solvent was chosen to separate and educe the final product-- diethyl methyl-phosphonite The yield is 40.3%.

Key words：glufosinate; intermediate; diethyl methyl-phosphonite; synthesize

基金项目：浙江省重点科研项目[2002(21026)]

收稿日期：2004-11-01

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