Process for producing biphenyl compounds

Details Process for producing biphenyl compounds Process for producing biphenyl compounds

1979-08-31

1981-10-13

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560 96, 568609, 568931, 570182, 570183, 570127, 570129, 585425, C07C 6976, C07C17902, C07C 1514

Patent

active

042949769

ABSTRACT:
A biphenyl compound is produced from a corresponding aromatic monocyclic compound at a high yield thereof and a high percent selectivity thereto, by dehydrogenatively dimerizing the aromatic monocyclic compound with molecular oxygen in the presence of oxalic acid together with a organic palladium salt catalyst, under a pressure higher than the atmospheric pressure.

REFERENCES:
patent: 3340293 (1967-09-01), Sharp et al.
patent: 3895055 (1975-07-01), Itatani et al.
patent: 3940426 (1976-02-01), Itatani et al.

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