J. Chem. Soc., Perkin Trans. 1, 1997 2273 ... Butoxycarbonylation of aryl halides catalyzed by a silica-supported ... Ming-Zhong Cai,a Cai-Sheng Songb and Xian Huang *,a ... Aryl bromides and iodides react with carbon monoxide and n-butyl alcohol at 100 C and atmospheric pressure in the presence of tri-n-butylamine and a catalytic amount of a silica-supported sulfur palladium complex to form esters in moderate to good yields. ... The carbonylation of aryl halides in ...