发明名称 |
Preparation of N-acyl-aminomethylphosphonates. |
摘要 |
<p>N-Acyl-aminomethylphosphonic acids represented by the formula <CHEM> wherein R is selected from the group consisting of methyl and aryl are prepared by: (a) bringing together under substantially anhydrous reaction conditions an amide represented by the formula R - @ - NH2 wherein R is as defined above and paraformaldehyde; and thereafter, (b) adding phosphorous trihalide to the reaction mixture. u</p> |
申请公布号 |
EP0370992(A2) |
申请公布日期 |
1990.05.30 |
申请号 |
EP19890870189 |
申请日期 |
1989.11.24 |
申请人 |
MONSANTO COMPANY |
发明人 |
BAYSDON, SHERROL LEE;FIELDS, DONALD LEE, JR. |
分类号 |
A01N57/20;C07F9/38 |
主分类号 |
A01N57/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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