Synthesis of d,l-β-carboxyaspartic acid from hydantoin-5-malonic acid diethyl ester
作者:Edward B. Henson、Paul M. Gallop、Peter V. Hauschka
DOI:10.1016/s0040-4020(01)98956-2
日期:1981.1
Hydantoin-5-malonic aciddiethylester was synthesized by reduction of parabanic acid (oxalyl urea) to 5-hydroxy-hydantoin, conversion to 5-chlorohydantoin and condensation with malonic ester. Alkaline hydrolysis gave d,l-β-carboxyaspartic acid.