Process for the preparation of .alpha.-L-aspartyl-L-phenylalanin

Details Process for the preparation of .alpha.-L-aspartyl-L-phenylalanin Process for the preparation of .alpha.-L-aspartyl-L-phenylalanin

1978-03-31

1979-11-06

Phillips, Delbert R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C10352

Patent

active

041735625

ABSTRACT:
A process for the preparation of .alpha.-L-aspartyl-L-phenylalanine methyl ester wherein .alpha.-L-aspartyl-L-phenylalanine is contacted with a reaction medium comprising water, methanol and a hydrogen halide to form a solid hydrogen halide salt of .alpha.-L-aspartyl-L-phenylalanine methyl ester which can be separated and converted to .alpha.-L-aspartyl-L-phenylalanine methyl ester.

REFERENCES:
patent: 3798207 (1974-03-01), Ariyoshi
patent: 3933781 (1976-01-01), Bachman et al.
patent: 3962207 (1976-06-01), Uchiyama et al.

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