Palladium catalyzed oxy-acetylation of phenyl acetate to meta-ac

Details Palladium catalyzed oxy-acetylation of phenyl acetate to meta-ac Palladium catalyzed oxy-acetylation of phenyl acetate to meta-ac

1981-05-11

1984-09-04

Evans, J. E.

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

Organic compounds

Carboxylic acid esters

568319, 568337, C07C 6700

Patent

active

044698836

ABSTRACT:
Acetoxyacetophenone is the predominant product when phenyl acetate, acetic acid and acetic anhydride are reacted in the presence of palladium and a gas mixture containing an inert gas and more than 13 vol. % oxygen. Secondary products are hydroxyacetophenone and phenylene diacetates. The meta isomers predominate when a metal acetate is present in the reaction mixture. Mineral acids cause shift to ortho isomers.

REFERENCES:
patent: 3725462 (1973-04-01), Boldt et al.
patent: 3772383 (1973-11-01), Kominami et al.
Eberson et al., Acta Chemica Scandinavica B30, pp. 361-364, (1976).

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