Patent Number: 6,762,277

Title: Method of manufacturing N-carboxyamino acid anhydride and polyamino acid

Abstract: A method of manufacturing a new N-carboxyamino acid anhydride and polyamino acid using a simple process operation. The method for manufacturing N-carboxyamino acid anhydride comprising reacting .alpha.-amino acid with di-tert-butyltricarbonate. The method for manufacturing polyamino acid comprising decarboxylating the N-carboxyamino acid anhydride obtained by reacting .alpha.-amino acid with di-tert-butyltricarbonate.

Inventors: Kudoh; Hiroto (Yokohama, JP), Endoh; Takeshi (Yokohama, JP)

Assignee: JSR Corporation

International Classification: C07D 263/00 (20060101); C07D 263/44 (20060101); C08G 073/00 (); C08G 069/00 (); C07D 263/44 ()

Expiration Date: 07/12016