专利检索 ap:("Jr.; Donald L. Fields" OR "Raymond C. Grabiak" OR "Sherrol L. Baysdon" OR "Peter E. Rogers") AND inv:"Jr.; Donald L. Fields" 第 1 页

1.

发明授权
Process for the preparation of N- phosphonomethylglycine 失效
标题翻译： N-膦酰基甲基甘氨酸的制备方法

公开(公告)号：US4851159A

公开(公告)日：1989-07-25

申请号：US188930

申请日：1988-05-02

申请人： Jr.; Donald L. Fields , Raymond C. Grabiak , Sherrol L. Baysdon , Peter E. Rogers

发明人： Jr.; Donald L. Fields , Raymond C. Grabiak , Sherrol L. Baysdon , Peter E. Rogers

IPC分类号： C07F9/38

CPC分类号： C07F9/3813

摘要： A process is disclosed for the preparation of N-phosphonomethylglycine which comprises bringing together under reaction conditions glyoxylic acid or a derivative thereof and an N-acylaminomethylphosphonic acid represented by the formula ##STR1## wherein R is selected from the group consisting of alkyl having from one to about 6 carbon atoms, haloalkyl having from one to about six carbon atoms, benzyl and phenyl.