Preparation of O,N-disubstituted hydroxylamines

Details Preparation of O,N-disubstituted hydroxylamines Preparation of O,N-disubstituted hydroxylamines

1980-02-27

1981-04-07

Doll, John

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

Organic compounds

Amino nitrogen containing

C07C 8500, C07C 8520, C07C 8524

Patent

active

042605628

ABSTRACT:
O,N-Disubstituted hydroxylamines are prepared by reacting O-substituted ketoximes with hydrogen in the presence of a platinum catalyst at from 35 to 50 bar, in a medium containing a mineral acid.
The O,N-disubstituted hydroxylamines I obtained by the process of the invention are valuable starting materials for the preparation of dyes, crop protection agents and drugs.

REFERENCES:
patent: 3112345 (1963-11-01), Stansbury et al.
patent: 3157702 (1964-11-01), Flack et al.
patent: 3207787 (1965-09-01), Levy
patent: 3993772 (1976-11-01), Pommer et al.
Adams et al, "J.A.C.S.", vol. 45, pp. 2175-2178 (1923).
Houben-Weyl, "Methoden der Organischen Chemie", Teil 2, pp. 137-151 (1955).
Taylor et al., "J. Org. Chem.", vol. 41, pp. 1135-1140 (1976).
Bourguel, "Bull. Soc. Chim. France", vol. 43, pp. 231-237 (1928).
Jones et al., "J.A.C.S.", vol. 52, pp. 669-679 (1930).
Houben-Weyl, "Methoden der Organischen Chemie", vol. 11/1, p. 495 (1957).

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