Method for producing alpha, beta-unsaturated calboxylic acid

Details Method for producing alpha, beta-unsaturated calboxylic acid Method for producing alpha, beta-unsaturated calboxylic acid

2007-12-26

2011-11-15

Oh, Taylor Victor (Department: 1622)

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

Organic compounds

Carboxylic acids and salts thereof

C562S533000

Reexamination Certificate

active

08058473

ABSTRACT:
Disclosed is a method for producing an α, β-unsaturated carboxylic acid from an olefin or an α, β-unsaturated aldehyde, while suppressing dissolution of a silica carrier, which is a carrier for a silica-supported noble metal-containing catalyst, in a water-containing solvent. Specifically disclosed is a method for producing an α, β-unsaturated carboxylic acid through oxidation of an olefin or an α, β-unsaturated aldehyde in a water-containing solvent in the presence of a silica-supported noble metal-containing catalyst in a reactor, in which at least one of silicic acid and ions thereof is supplied into the reactor.

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Hawley Gessner, the Condensed Chemical Dictionary ,1975,Van Nostrand Reinhold Co., 8th ed.,p. 783.

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