Production of cyclic hydrocarbons from n-butenes

Details Production of cyclic hydrocarbons from n-butenes Production of cyclic hydrocarbons from n-butenes

1979-04-16

1980-07-01

Doll, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

585365, 585414, 585418, 585419, 585435, C07C 8511, C07C 1510, C07C 344

Patent

active

042106036

ABSTRACT:
This invention provides a process for the production of cyclic hydrocarbons for light olefinic hydrocarbons which involves contacting n-butenes with a Group VIII metal oxide catalyst in the presence of molecular oxygen at temperatures of 130.degree.-500.degree. C. and a pressure of 1-200 psi to yield vinylcyclohexene and ethylbenzene with a selectivity of at least 80 weight percent.
The invention further provides a two step vapor phase process embodiment for converting n-butenes to styrene via a vinylcyclohexene/ethylbenzene intermediate mixture. When nitrobenzene is employed as the oxidizing agent in place of molecular oxygen, aniline is obtained as an additional product.

REFERENCES:
patent: 2376985 (1945-05-01), Voorhees
patent: 2392960 (1946-01-01), Watson
patent: 3308193 (1967-03-01), Bajars
patent: 4056575 (1976-07-01), Gregory et al.
Csicsery, "J. of Catalysts", vol. 17, pp. 207-215, 216-218, 315-322, & 323-330, (1970).
Csicsery, "J. of Catalysts", vol. 18, pp. 30-32, (1970).

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