| 一乙醇胺合成草甘膦的新工艺 |
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| 引用本文： | 蔡振云,卢祖国,郑红朝,徐震丰. 一乙醇胺合成草甘膦的新工艺[J]. 农药, 2003, 42(6): 14-16 |
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| 作者姓名： | 蔡振云 卢祖国 郑红朝 徐震丰 |
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| 作者单位： | 1. 浙江大学化工研究所,杭州,310027
2. 浙江新安化工股份有限公司,杭州,311600 |
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| 摘 要： | 研究了一种新的制备草甘膦的工艺：在合适的反应条件下，加入-乙醇胺、甲醛、亚磷酸三甲酯生成一种混合物，再在适当的条件下水解该混合物，生成N-(膦酰基甲基)乙醇胺及其盐，在同一浴中，N-(膦酰基甲基)乙醇胺及其盐用Raney Cu催化氧化，再水解得到草甘膦。草甘膦的平均收率可达80％。
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| 关 键 词： | 一乙醇胺 合成 草甘膦 新工艺 RaneyCu催化剂 N－（膦酰基甲基）乙醇胺 |
| 修稿时间： | 2002-10-31 |
A New Technology to Synthesize Glyphosate with Monoethanothamine |
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| Cai Zhenyun ,Lu Zuguo ,Zheng Hongchao ,Xu Zhenfeng. A New Technology to Synthesize Glyphosate with Monoethanothamine[J]. Pesticides, 2003, 42(6): 14-16 |
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| Authors: | Cai Zhenyun Lu Zuguo Zheng Hongchao Xu Zhenfeng |
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| Affiliation: | Cai Zhenyun 1,Lu Zuguo 1,Zheng Hongchao 2,Xu Zhenfeng 2 |
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| Abstract: | A new preparation of N-(phosphonomethyl)-glycine was studied in the theme,which comprises contacting an ethanothamine and formaldehyde and a trimethyl phosphite under suitable reaction conditions to produce a reaction mixture,which are hydrolyzed under relevant conditions to produce N phosphonomethyl)-ethanothamine or its salts,In the same embodiment,the N-(phosphonomethyl)-ethanothamine or its salts thereof is oxidized and neutralized to produce a N-(phosphonomethyl)-glycine with Raney Copper catalyst.The yield of N-(phosphonomethyl)-glycine can amount to 80% on the average. |
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| Keywords: | ethanothamine Raney Copper catalyst glyphosate N-(phosphonomethyl)-ethanothamine. |
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