Optically pure heterocyclic aminoacid compounds, a process for their use for the synthesis of medicaments

US4389489A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Michael Preiss · Leinfelden, DE
• Hermann Schutt · Wuppertal, DE

Key dates

• Filing date: Jun 15, 1981
• Grant date: Jun 21, 1983
• Expiry date: Jun 15, 2001

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C12P17/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to optically pure heterocyclic amino acid compounds of the Formula I, as described hereinabove as well as a process for their preparation involving subject D, L-compounds to the action of a proteolytic enzyme. The compounds obtained are useful, inter alia, as intermediates for the manufacture of cephalosporins or penicillins.