Method for making bis-xylenols containing acid moieties

Details Method for making bis-xylenols containing acid moieties Method for making bis-xylenols containing acid moieties

1998-01-30

1999-10-19

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 5940

Patent

active

059691808

ABSTRACT:
An improved method for the preparation of functionalized substituted bisphenol compound is provided. In particular, there is provided a method of making a functionalized substituted bisphenol compound of the formula: ##STR1## which comprises heating a mixture comprising a 2,6-dimethylphenol and levulinic acid in the presence of an effective amount of a macroreticular ion-exchange resin, optionally with removal of the water of reaction.

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Yu et al.: "Acid-Catalyed Condensation of Phenols and Keto Acids" Journal of Organic Chemistry--vol. 23, No. 7, 1958 pp. 1004-1006.

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