Isotopically enriched N-substituted piperazine acetic acids and methods for the preparation thereof

US7355045B2 · kind B2 · utility

Assignee

• Applera Corporation · US

Inventors

• Subhakar Dey · North Billerica, US
• Darryl Pappin · Boxborough, US
• Subhasish Purkayastha · Acton, US
• Sasi Pillai · Littleton, US
• James M. Coull · Westford, US

Key dates

• Filing date: Jan 5, 2004
• Grant date: Apr 8, 2008
• Expiry date: Mar 7, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D403/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

In some embodiments, this invention pertains to isotopically enriched N-substituted piperazine acetic acids. In some embodiments, this invention pertains to methods for the preparation of isotopically enriched N-substituted piperazine acetic acids.