Method for producing .alpha.-L-aspartyl-L-phenylalanine derivati

Details Method for producing .alpha.-L-aspartyl-L-phenylalanine derivati Method for producing .alpha.-L-aspartyl-L-phenylalanine derivati

1988-07-07

1990-01-30

Gray, Bruce

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C10352

Patent

active

048975079

ABSTRACT:
A method for producing .alpha.-L-aspartyl-L-phenylalanine dimethyl ester, which comprises reacting 3-benzyl-6-carboxymethyl-2,5-diketopiperazine or methyl ester thereof in a methanolic solvent substantially free from water in the presence of a strong acid.

REFERENCES:
patent: 4634790 (1987-01-01), Shimohara et al.
patent: 4780561 (1988-10-01), Mita et al.

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