Method for producing biphenyls

Details Method for producing biphenyls Method for producing biphenyls

1973-06-28

1976-04-13

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603468R, 260524R, 260580, 260645, 260649DP, 260670, C07C 1514, C07C 2500, C07C 4320, C07C 7910

Patent

active

039504344

ABSTRACT:
Biphenyl or nucleus-substituted biphenyl can be prepared from benzene or nucleus-substituted benzene and oxygen or oxygen-containing gas in one step according to an equation ##SPC1##
Wherein X is H, lower alkyl having 1 to 6 carbon atoms Cl, NO.sub.2, or lower alkoxy having 1 - 3 carbon atoms and Y is H or CH.sub.3, with excellent yield by heating the reactants in the presence, as a catalyst, of palladium or a palladium compound and sulfuric acid or sulfuric acid and a lower saturated fatty acid added to the reaction system and further in the presence or in the absence of an alkali metal salt.

REFERENCES:
patent: 3145237 (1964-08-01), Helden et al.
patent: 3401207 (1968-09-01), Selwitz
patent: 3578716 (1971-05-01), Robinson
patent: 3591645 (1971-07-01), Selwitz
patent: 3636170 (1972-01-01), Notaro et al.
patent: 3728409 (1973-04-01), Selwitz
Davidson et. al., J. Chem. Soc. (A), 1968, pp. 1324-1330.
Davidson, et al., (I), Chem. Ind., 1967, p. 1361-1966, p. 457.

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