Preparation of acylated .alpha.-amino carboxylic acid amides

Details Preparation of acylated .alpha.-amino carboxylic acid amides Preparation of acylated .alpha.-amino carboxylic acid amides

1997-01-17

1998-06-09

Kumar, Shailendra

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

Organic compounds

Amino nitrogen containing

564126, 564129, 564130, 564142, 564143, 564152, C07C23106

Patent

active

057636613

ABSTRACT:
A method of preparing acylated .alpha.-amino carboxylic acid amides directly from amino nitriles in high yield and purity. The method involves acylating the amino nitrile with an acyl halide under Schotten-Baumann conditions, and hydrolyzing the resulting nitrile to the amide. The resulting acylated amino carboxylic acid amide precipitates and can be isolated by filtration in high purity.

REFERENCES:
patent: 5352788 (1994-10-01), Bernhart et al.
patent: 5424450 (1995-06-01), Boswell et al.
Zhurnal Organ. Khimii, 20(7), pp. 1243-1247 (1984).
J. Org. Chem. 27, p. 798-802 (1962).

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