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1997 carboxylic acid esters carboxylic acid esters (benzene compounds) Q 0530 -121Palladium-Catalyzed Carbonylation of Allyl Alcohols in the Presence of Phenols.-β,γ-Unsaturated esters are obtained by direct Pd-catalyzed carbonylation of allyl alcohols bearing an aryl substituent at the α-or γ-position in the presence of phenols.-(SATOH, T.; IKEDA, M.; KUSHINO, Y.; MIURA, M.; NOMURA, M.; J.

Synthesis of Naphthofuran-2(3H)-one Derivatives by Palladium-Catalyzed Three-Component Coupling Using Naphthols, Aldehydes, and Carbon Monoxide.-Naphthols undergo a three-component reaction with aldehydes and carbon monoxide in the presence of catalytic Pd and TFA to form naphthofuranones. The initial formation of an o-hydroxybenzyl moiety from the naphthols and the aldehyde is confirmed by the conversion of the o-hydroxybenzyl alcohol (IX) to the benzofuranone (X) under similar reaction conditions. -(SATOH, T.; TSUDA, T.; KUSHINO, Y.; MIURA, M.; NOMURA, M.; J.