N-Substituted N-carboxyanhydrides of .alpha.-amino acids and the

Details N-Substituted N-carboxyanhydrides of .alpha.-amino acids and the N-Substituted N-carboxyanhydrides of .alpha.-amino acids and the

1978-11-20

1981-05-12

Randolph, John D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

260 6, 260 8, 2601125R, 260239R, 260335, 549 27, 560110, 562439, 568442, 549, C07D40702, C07D41202, C07D42102

Patent

active

042673445

ABSTRACT:
N-Substituted N-carboxyanhydrides of .alpha.-amino acids, useful in peptide syntheses, and peptide synthesis process using such compounds, are disclosed. The N-substituent is penta(lower alkoxy)benzyl, or optionally substituted 9-xanthyl, 9-thioxanthyl or 9-selenoxanthyl.

REFERENCES:
patent: 3671239 (1972-06-01), Zweig
Velluz et al., Chemical Abstracts, vol. 49, cols. 9534-9535 (1955) (abst. Bull. Soc. Chim. 1954, 1012-1015).
Shimonishi et al., Bull. Chem. Soc. Japan, vol. 35, pp. 1966 to 1970 (1962).

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