Patent · US Expired

Process for crystalline salts of L or (S)-3-(3,4-dihydroxyphenyl)-2-methylalanine esters

US4670578A · kind A · utility

5Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 1983
Grant dateJun 2, 1987
Priority date—
Expiry dateAug 29, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C227/42
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Crystalline salts of (R,S)-pivaloyloxyethyl esters of (S)-3-(3,4-dihydroxyphenyl)-2-methylalanine and processes for their preparation are disclosed.

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