Preparation of 6-amino-3-oxahexanoic acid compounds

Details Preparation of 6-amino-3-oxahexanoic acid compounds Preparation of 6-amino-3-oxahexanoic acid compounds

1979-03-26

1980-11-25

Trousof, Natalie

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

Organic compounds

Carboxylic acids and salts thereof

560170, C07C 9910

Patent

active

042360285

ABSTRACT:
3-Oxacaprolactam is prepared by a process which comprises: contacting an organic acid anhydride solution of a cyanoalkoxyalkanoate with hydrogen in the presence of a noble metal hydrogenation catalyst to prepare an amide-ester; and heating the amide-ester in excess water at a temperature above about 200.degree. C.

REFERENCES:
patent: 2365295 (1944-12-01), Schaaf
patent: 2514549 (1950-07-01), Lincoln
patent: 2956078 (1960-10-01), Duxbury
patent: 3104201 (1963-09-01), Testa
patent: 3931292 (1976-01-01), Garritsen
patent: 4007226 (1977-02-01), Reynolds
patent: 4126614 (1978-11-01), Suzuki
Grouiller, J. Hetero, Chem., 13, pp. 853-859, (1976).

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