Process for the preparation of N-phosphonomethyl-glycine
US4486359A · kind A · utility
17Cited by
11References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 20, 1983 |
| Grant date | Dec 4, 1984 |
| Priority date | — |
| Expiry date | Oct 20, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/3813
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
N-phosphonomethylglycine is prepared from glycine and parsformaldehyde to obtain an intermediate which is reacted with dialkylphosphite to obtain an ester of the desired compound which is then hydrolyzed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.