High temperature, catalytic Friedel-Crafts synthesis of benzene

Details High temperature, catalytic Friedel-Crafts synthesis of benzene High temperature, catalytic Friedel-Crafts synthesis of benzene

1997-01-31

1997-12-16

Geist, Gary

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

Organic compounds

Phosphorus halides

C07F 952

Patent

active

056987366

ABSTRACT:
Benzene phosphorus dichloride can be prepared by the reaction of benzene and phosphorus trichloride in the presence of a catalytically effective amount of a Friedel-Crafts catalyst, such as aluminum trichloride or ferric trichloride, at elevated temperature, such as from about 200.degree. C. to about 250.degree. C., and superatmospheric pressure, such as no less than the vapor pressure of the components at the chosen reaction temperature, to insure a liquid reaction medium.

REFERENCES:
patent: 3029282 (1962-04-01), Toy et al.
patent: 3557204 (1971-01-01), Weinberg
patent: 3734958 (1973-05-01), Rio
patent: 3864394 (1975-02-01), Via et al.
patent: 3954859 (1976-05-01), Jurewicz et al.
patent: 4409152 (1983-10-01), Humphrey
patent: 4436673 (1984-03-01), Skrzec
patent: 4521346 (1985-06-01), Kleiner
patent: 4536351 (1985-08-01), Neumaier
patent: 4737317 (1988-04-01), Wilson
K.G. Weinberg, "Synthesis of Arylphosphonous Dichlorides, Diarylphosphinous Chlorides, and 1,6-Diphosphatriptycene from Elemental Phosphorus", J. Org. Chem., vol. 40, No. 24, 1975, pp. 3586-3589.
M.P. Brown et al., "An Improved Method of Preparation for Diphenylchlorophosphine", Chemistry and Industry, Jan. 7, 1961., p. 24. Chemical Abstracts, vol. 119, 72842z (1993).
Derwent Patent Abstract 84-171849/28 (1984).

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