Process for preparing diphenylamine in the presence of a boron/f

Details Process for preparing diphenylamine in the presence of a boron/f Process for preparing diphenylamine in the presence of a boron/f

1977-08-08

1978-07-11

Wyman, Daniel E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252433, 252429R, C07C 8520

Patent

active

041001958

ABSTRACT:
Diphenylamine is made by heating aniline under pressure and temperatures of 250.degree.-400.degree. C in the presence of a boron/fluorine compound and water.

REFERENCES:
patent: 2135454 (1938-11-01), McAlevy
patent: 2158031 (1939-05-01), Loder
patent: 2370118 (1945-02-01), Axe
patent: 3071619 (1963-01-01), Kehe et al.
Booth et al., "Boron Trifluoride and its Derivatives" (1949).
Sowa et al., "JACS", vol. 59, pp. 1202-1203 (1937).

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