Method for producing diol derivatives

Details Method for producing diol derivatives Method for producing diol derivatives

2006-02-28

2006-02-28

Zucker, Paul A. (Department: 1621)

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

Organic compounds

Carboxylic acid esters

C560S185000

Reexamination Certificate

active

07005536

ABSTRACT:
A method of producing a diol derivative efficiently and to high purity is provided. Specifically, the present invention relates to a method of producing a diol derivative having, as a fundamental step, a step of obtaining an α-hydroxycarboxylic acid ester by reacting (i) one or more 1,2-diols or (ii) a 1,2-diol and a primary alcohol as starting material(s) with oxygen in the presence of a catalyst comprising metal loaded on a carrier.

REFERENCES:
patent: 3859349 (1975-01-01), Cody
patent: 1 273 579 (2003-01-01), None
patent: WO 99/19378 (1999-04-01), None
patent: WO 01/72736 (2001-10-01), None
Biella et al, Catalysis Today, Application of Gold Catalysts to Selective Liquid Phase Oxidation, 2002, 72, pp. 43-49.

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