Abstract
Palladium on charcoal was found to catalyze the carbonylation
of aryl iodides with various aliphatic alcohols as well as less reactive
phenols to give the corresponding esters in high yield at 140 °C
and in the presence of carbon monoxide (1.0 MPa). The carbonylation-polycondensation
of 2,7-diiodo-9,10-dihydrophenanthrene with bisphenol-A afforded
high molecular weight polyarylate, poly [oxy-1,4-phenylene
(1-methylethylidene)-1,4-phenyleneoxycarbonyl (9,10-dihydro-2,7-phenanthrenediyl)
carbonyl].
Key words
palladium on charcoal - carbonylation - aryl
iodide - aromatic ester - polyarylate
