Process for the preparation of .beta.-aminoethyl ketones

Details Process for the preparation of .beta.-aminoethyl ketones Process for the preparation of .beta.-aminoethyl ketones

1985-10-02

1987-09-22

Warren, Charles F.

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

Organic compounds

Amino nitrogen containing

544175, 546237, C07C 9710, C07C 8518

Patent

active

046956522

ABSTRACT:
.beta.-Aminoethyl ketones are obtained in a low-polluting manner by Mannich condensation of an aryl ketone having an acidic H with an aldehyde and ammonia or an amine by carrying out the reaction in organic nitriles in the presence of a sulphonic acid or in gycol either in the presence of a sulphonic acid or sulphuric acid.

REFERENCES:
patent: 2186929 (1957-12-01), Lobby
patent: 2861993 (1958-11-01), Schlichting et al.
patent: 3133080 (1964-05-01), Sarkar et al.
patent: 4181803 (1980-01-01), Marita et al.
Hackh's Chemical Dictionary, Fourth Ed., p. 311.
Houben-Weyl, Methoden der Organischen Chemie, XI/1, pp. 731-793 (1957).
Chemie Lexikon, Romp, pp. 3095-3096.
The Van Nostrand Chemist's Dictionary, 1954, Mannich Reaction, p. 450.
Hackh's Chemical Dictionary, Fourth Edition, Mannich Reaction, p. 408.

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