Wang Ying-chun
2011
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Journal
Fine and Specialty Chemicals
Abstract
Dimethyl D-aspartate hydrochloride was prepared by D-aspartic acid as the mainly starting material through esterification reaction,the yield was achieved 95.6%;N-methyl-D-aspartate dimethyl ester was created by the reaction of dimethyl D-aspartate hydrochloride in the solvent of DMF with iodomethane.Finally,N-methyl -D-aspartic acid was obtained by hydrolysis under alkaline conditions,the yield was achieved 83.5%.The product was characterized by IR and ~1HNMR.