Deblocking N-formyl aspartame compounds

Details Deblocking N-formyl aspartame compounds Deblocking N-formyl aspartame compounds

1989-08-11

1991-05-21

Doll, John

Chemistry: natural resins or derivatives; peptides or proteins;

Peptides of 3 to 100 amino acid residues

Synthesis of peptides

530337, 530801, 560 40, 560 41, A61K 3702, C07C22900

Patent

active

050176900

ABSTRACT:
N-formyl amino acid or peptide is deformylated by reaction with aniline or methylene dianiline over noble metal catalyst, e.g., Pt-on-carbon. N-formanilide is formed as by-product. The process is particularly useful in deformylating N-formyl aspartame.

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patent: 4539147 (1985-09-01), Filippini et al.
patent: 4613460 (1986-09-01), Casati et al.
patent: 4638081 (1987-01-01), Elefante
patent: 4642367 (1987-02-01), Finotto
patent: 4656304 (1987-04-01), Oppici
Gieger et al., CA 50497d, vol. 71 (1969).

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