Abstract
Various saturated, α- or β- ethylenic, or arylic organocopper compounds have been carboxylated under conditions very similar to those used with vinyl-copper compounds. We discuss the positive influence of a catalytic amount of triethyl phosphite, whereas the use of a stoichiometric quantity, or the presence of metallic halides, decreases the yields of insertion. Carboxylic acids are obtained with excellent yields.
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