Process for the preparation of 2,6-dialkylaniline from 1-nitroal

Details Process for the preparation of 2,6-dialkylaniline from 1-nitroal Process for the preparation of 2,6-dialkylaniline from 1-nitroal

1981-07-06

1985-03-19

Hines, Robert V.

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

Organic compounds

Amino nitrogen containing

564416, 564462, C07C 8750

Patent

active

045060983

ABSTRACT:
A process for the preparation of 2,6-dialkylaniline which comprises the reaction of a 1-nitroalkene with a 1,3-alkadiene to form a dialkyl nitrocyclohexene adduct and subsequent reaction of the resulting adduct with hydrogen in the presence of a hydrogenation catalyst to form the corresponding dialkylcyclohexyl amine, followed by dehydrogenation with aqueous ammonia in the presence of a dehydrogenation catalyst.

REFERENCES:
patent: 3361818 (1968-01-01), Barker
patent: 3427355 (1969-02-01), Le Maistre et al.
patent: 4271091 (1981-06-01), Grasselli et al.
Kataev et al., "Jour. Gen. Chem. USSR", vol. 23, pp. 413-417, (1953).

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