KOEGEL, R J Conversion of beta-chloroacetyl-L-diaminopropionic acid to L-2-ketopiperazine-5-carboxylic acid. [electronic resource] - The Journal of biological chemistry Apr 1953 - 547-51 p. digital Publication Type: Journal Article ISSN: 0021-9258 Subjects--Topical Terms: Carboxylic AcidsKeto AcidsKetonesPiperazinesPropionates