Title: Preparation of N-formyl-L-aspartic anhydride
Application Number: 90106907 Application Date: 1990.08.06
Publication Number: 1058784 Publication Date: 1992.02.19
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C07K5/06
Applicant(s) Name: The Nutrasweet Co. Address:
Inventor(s) Name: Hugh L. Dryden Jr., John B. Hill
Attorney & Agent: QI ZENGDU
Abstract:
     N-formyl-L-aspartic anhydride is prepared using a minimum excess of formic acid. Acetic anhydride and a C3-C6 secondary alcohol are added to the reaction mixture to consume excess formic acid. The reaction is suitable for further reactions without modification.
Time: 5