Dipeptides and process
US4710583A · kind A · utility
14Cited by
0References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1985 |
| Grant date | Dec 1, 1987 |
| Priority date | — |
| Expiry date | Oct 21, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P21/02
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Synthesis of phenylserine ester (a) via benzaldehyde and glycine ester using serine hydroxymethyltransferase; and (b) via methyl benzoylacetate. Synthesis of hydroxy-aspertame or derivative by enzymatic coupling of phenylserine or derivative with aspertic acid or derivative. Hydrogenation of the coupled product to give as final product aspertame or analog with related processes and products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.