Carbonylaldiminomethanephosphonates
US4094928A · kind A · utility
14Cited by
1References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1977 |
| Grant date | Jun 13, 1978 |
| Priority date | — |
| Expiry date | Jul 29, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/3808
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Carbonylaldiminomethanephosphonates are produced by the reaction of glyoxal or glyoxylic acid esters with aminomethylphosphonic acid esters. The carbonylaldiminomethanephosphonates can then be reduced and hydrolyzed or reduced and oxidized to yield N-(phosphonomethyl)glycine which is useful as a post-emergent herbicide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.