Process for the preparation of unsaturated esters

Details Process for the preparation of unsaturated esters Process for the preparation of unsaturated esters

1976-06-23

1977-11-08

Thomas, Jr., James O.

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

Organic compounds

Carboxylic acid esters

560113, 560 81, 260604AC, 260614AA, 260615AA, 560243, 560 71, 560105, 560 95, 560 64, 2604109N, C07C 6705

Patent

active

040575756

ABSTRACT:
The invention comprises the oxidation of olefins to unsaturated esters of organic acids or acetals and/or unsaturated ethers of alcohols by contacting the olefin with an organic acid or alcohol reactant in the presence of a catalyst comprising a compound of a Group VIII noble metal and a redox agent. The catalyst is maintained active by contacting it with oxygen introduced simultaneously or intermittently with the olefin or by circulating the catalyst between separate oxygen and olefin contacting zones. The oxidation can be performed under liquid phase conditions by initiating the contacting with a dissolved catalyst or can be performed under vapor phase conditions by initiating the contacting with the catalyst distended on a solid support.

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Berkman, Catalysis, pp. 458-463 (1960).
USP 3,850,980, 11-1974, Clark et al.

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