Process for preparing arylacetic acid and arylpropionic acid der

Details Process for preparing arylacetic acid and arylpropionic acid der Process for preparing arylacetic acid and arylpropionic acid der

1994-11-30

1996-07-16

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

558353, 560 10, 560 11, 560 12, 560 20, 560 21, 560 19, 560 37, 560 48, 560 51, 560 55, 560 56, 560 75, 560 80, 560 81, 560100, 560102, 560105, 560 8, C07C 5110

Patent

active

055368743

ABSTRACT:
There is provided a process for preparing an arylacetic acid or arylpropionic acid divative from an arylcarbinol which comprises the step of subjecting said arylcarbinol to suitable carbonylation conditions for a sufficient period of time and under suitable pressure and temperature to form said acid derivative, with the proviso that said carbonylation conditions include conducting the reaction in a two-phase system wherein one phase is an aqueous medium which contains (1) a catalyst which is a water-soluble metal complex consisting essentially of a Group VIII metal and a hydrophilic ligand such as palladium complexed with trisulfonated triphenylphosphine, and (2) optionally an acid, and wherein the second phase comprises said arylcarbinol.

REFERENCES:
patent: 4981995 (1991-01-01), Elango
patent: 5166418 (1992-11-01), Hendricks

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