Ththtdmn Vol. 3l. No. 15. w. 2561 W 2.%.1981 PI-&d ill chat hitail ... SYNTHESIS OF D,L+-CARBOXYASPARTIC ACID FROM HYDANTOIN-S-MALONIC ACID DIETHYL ESTER ... EDWARD B. HENSON, PAUL M. GALLOP and PETER V. HAUSCHKA Departments of Biological Chemistry and Oral Biology, Harvard Schools of Medicine and Dental Medicine, and Department of Orthopeadic Surgery, Children's Hospital Medical Center, 300 Longwood Avenue, Boston, MA 621 tf, ...