Resolution of alkyl esters of DL-phenylalanine

Details Resolution of alkyl esters of DL-phenylalanine Resolution of alkyl esters of DL-phenylalanine

1973-09-10

1976-03-02

Sutto, Anton H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C10332

Patent

active

039418316

ABSTRACT:
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.

REFERENCES:
patent: 3734952 (1973-05-01), Krubiner
Greenstein, J. P. Chemistry of the Amino Acids, Vol. I (1961), Pub. by John Wiley & Sons, (N.Y.), pp. 715-716.

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