Process for preparation of 3-alkoxy-4-hydroxyphenylacetic acid

Details Process for preparation of 3-alkoxy-4-hydroxyphenylacetic acid Process for preparation of 3-alkoxy-4-hydroxyphenylacetic acid

1981-01-02

1983-08-30

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

562470, C07C 6501

Patent

active

044018304

ABSTRACT:
3-Alkoxy-4-hydroxyphenylacetic acid useful as intermediate for preparation of pharmaceuticals is prepared by catalytic reduction with hydrogen using a palladium catalyst of corresponding 3-alkoxy-4-hydroxymandelic acid occurring as the reaction product between 2-alkoxyphenol and glyoxylic acid at high conversion and yield.

REFERENCES:
patent: 4198526 (1980-04-01), Edwards

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