Process for the preparation of bistrifluoromethylbenzylamines

Details Process for the preparation of bistrifluoromethylbenzylamines Process for the preparation of bistrifluoromethylbenzylamines

2000-02-25

2000-10-24

Barts, Samuel

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

Organic compounds

Amino nitrogen containing

564415, C07C20900

Patent

active

061370118

ABSTRACT:
Bistrifluoromethylbenzylamines are obtained in a simple manner in high purities and with good yields by catalytic hydrogenation of the corresponding bistrifluoromethylbenzonitriles if the process is carried out in the presence of Raney cobalt, at least one aliphatic ether and ammonia.

REFERENCES:
Database Chemabs Online!, Chemical Abstracts Service, Columbus, Ohio, US, Uehara, Ryoichi et al: "Cobalt Catalyst" retrieved from STN Database accession No. 92:100139, XP002133412, *Zusammenfassung* & JP 54 037593 B (Nikko Scientific and Chemical Industries, Ltd., Japan) Nov. 15, 1979.
Database WPI, Section Ch, Week 198729, Derwent Publications Ltd., London, GB; Class B05, AN 1987-202004, XP002133413 & JP 62 129257 A (Daicel Chem Ind Ltd), Jun. 11, 1987 *Zusammenfassung*.
J.A.C.S., vol. 66, May 1944, Frank C. Whitmore et al, Basically Substituted Aliphatic Nitriles and Their Catalytic Reduction to Amines--p. 725.
J.A.C.S., vol. 82, (month unavailable) 1960, p. 2386, Morris Freifelder, A Low Pressure Process for the Reduction of Nitriles. Use of Rhodium Catalyst.
Chem. Ber. , vol. 85, pp. 324-327, (month unavailable) 1965, Jan Thesing und Felix Schulde: Notiz uber die praparative Darstellung von Heteroauzin und Tryptamin.
J. Pharm. Sci., vol. 54, p. 1204, (month unavailable) 1965, Freifelder et al Preparation of Isomeric Trifluoromethylbenzylamines.

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