N-(Phosphonoacetyl)-L-aspartic acid compounds and methods for their preparation
US4215070A · kind A · utility
3Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1978 |
| Grant date | Jul 29, 1980 |
| Priority date | — |
| Expiry date | Oct 25, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/4006
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
N-(Phosphonoacetyl)-L-aspartic acid (PALA) compounds, especially novel PALA compounds, and methods for their preparation in large amounts are disclosed. These methods include preparation of certain PALA compounds such as PALA dibenzyl ester, disodium PALA, and the cyclohexylamine salt of dibenzyl PALA.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.