Benzylic oxidation and catalyst therefor

Details Benzylic oxidation and catalyst therefor Benzylic oxidation and catalyst therefor

1992-02-10

1993-02-02

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

562412, 562416, 568431, 568435, 568437, C07C 6700, C07C 5116, C07C 4500, C07C 3318

Patent

active

051839318

ABSTRACT:
Oxidation of alkylaromatics having a benzylic hydrogen atom is catalyzed by a catalyst comprising a palladium salt, a metal persulfate, a third metal salt, and a tin salt in a carboxylic acid for a period of time sufficient to convert the alkylaromatics to their corresponding oxidized derivatives. The catalyst is prepared by preheating the palladium salt and the metal persulfate at a temperature sufficient to provide the desired catalytic activity followed by additon of the third metal salt and the tin salt.

REFERENCES:
patent: 3547982 (1970-12-01), McKeon et al.
J. Org. Chem. 33:4123 (1968), Bryant et al.
Synthesis, Jun. 1980, Belli et al.
J. Org. Chem. 34:1106 (1969), Bryant et al.

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