发明名称 |
CARBON DIOXIDE ASSISTED HYDROLYSIS OF AMINOPHOSPHONATES |
摘要 |
The invention provides a process for preparing aminophosphonic acids comprising contacting an aminophosphonate ester with a base in the presence of a hydrolysis facilitator selected from the group consisting of CO2, CS2 and COS. In one embodiment, the aminophosphonate ester is first prepared by contacting an amine, trialkylphosphite, base and formaldehyde.
|
申请公布号 |
CA2305466(A1) |
申请公布日期 |
1999.04.22 |
申请号 |
CA19982305466 |
申请日期 |
1998.10.15 |
申请人 |
MONSANTO COMPANY |
发明人 |
JOHNSON, TODD J.;MILLER, WILLIAM H. |
分类号 |
C07F9/38;(IPC1-7):C07F9/38 |
主分类号 |
C07F9/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|