PROCESS FOR PRODUCING N-PHTHALOYL-P-NITO-L-PHENYLALANINE

摘要

N-Phthaloyl-p-nitro-L-phenylalanine, an intermediate in the production of melphalan, or an ester thereof is prepared by reacting p-nitro-L-phenylalanine or an ester thereof with an N-substituted phthalimide.