Patent · US Expired

Process for producing .alpha.-L-aspartyl-L-phenylalanine methyl ester or its hydrohalide

US4634790A · kind A · utility

12Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 1985
Grant dateJan 6, 1987
Priority date
Expiry dateFeb 11, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07K5/0613
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A process for producing .alpha.-L-aspartyl-L-phenylalanine methyl ester or its hydrohalide, which comprises subjecting 3-benzyl-6-carboxymethyl-2,5-diketopiperazine to partial hydrolysis with a strong acid in a solvent mixture of methanol and water.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.