Preparation process of N-formyl-.alpha.-aspartyl phenylalanine

Details Preparation process of N-formyl-.alpha.-aspartyl phenylalanine Preparation process of N-formyl-.alpha.-aspartyl phenylalanine

1985-12-04

1988-05-17

Phillips, Delbert R.

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

Organic compounds

Carboxylic acid esters

426548, 560 40, C07C10352, C07C10200

Patent

active

047452102

ABSTRACT:
This invention relates to an improved process for preparing N-formyl-.alpha.- aspartyl phenylalanine. More specifically, it relates to a process for preparing N-formyl-.alpha.-aspartyl phenylalanine by condensating N-formyl aspartic acid anhydride and phenylalanine which comprises effecting the condensation reaction in a water medium while maintaining the pH during the reaction in the range of 7-12 and at a reaction temperature of 50.degree. C. or below.

REFERENCES:
patent: 3879372 (1975-04-01), Boesten
patent: 3933781 (1976-01-01), Bachman et al.
patent: 4021418 (1977-05-01), Takemoto et al.
patent: 4071511 (1978-01-01), Takemoto et al.
patent: 4153737 (1979-05-01), Berg et al.

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