B. Elali et H. Alper, REGIOCHEMICAL SYNTHESIS OF STRAIGHT CHAIN ACIDS BY THE PALLADIUM(II) CATALYZED HYDROCARBOXYLATION OF OLEFINS WITH OXALIC-ACID, Journal of molecular catalysis, 80(3), 1993, pp. 377-381
Olefins react with carbon monoxide and oxalic acid, catalyzed by palla
dium acetate in the presence of 1,4-bis(diphenylphosphino)butane, to g
ive linear carboxylic acids regioselectively or regiospecifically. Thi
s process shows excellent functional group tolerance.