Process for preparing alpha-L-aspartyl-L-phenylalanine alkyl est

Details Process for preparing alpha-L-aspartyl-L-phenylalanine alkyl est Process for preparing alpha-L-aspartyl-L-phenylalanine alkyl est

1982-12-07

1985-09-03

Phillips, Delbert R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C10352

Patent

active

045391475

ABSTRACT:
A process for preparing alpha-L-aspartyl-L-phenylalanine alkyl esters from L-aspartic acid, of which the amino group is protected by bonding it to a 3,5-dimethoxy-.alpha.,.alpha.-dimethyl-benzyloxycarbonyl group, then transforming this intermediate into the corresponding anhydride by means of a dehydrating agent, then reacting the anhydride with L-phenylalanine alkyl ester, and finally eliminating the protective group by the action of U.V. radiation.

REFERENCES:
patent: 3786039 (1974-01-01), Ariyoshi et al.
patent: 3879372 (1975-04-01), Boesten
patent: 3933781 (1976-01-01), Bachman et al.
Chemical Abstracts, 78, 554 (1973), Abstract No. 58773f.

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