| 摘要 |
Treatment of DL-phenylalanine alkyl esters with N-acyl-D-phenylalanines results in the formation of insoluble salts of the L-phenylalanine alkyl esters and N-acyl-D-phenylalanines. The salts are isolated and decomposed to afford the desired L-phenylalanine alkyl esters, which are important starting materials in the preparation of artificial sweetening agents.
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