SEARCH Articles Figures Tables Acids, unsaturated Carboxylic acids 7-lactonization Carboxylic unsaturated From carboxylic acids From lactones From unsaturated carboxylic acids Lactones carboxylation Lactones carboxylic acids Lactones unsaturated carboxylic acids Lactones unsaturated— Unsaturated carboxylic acids lactonizations Unsaturated lactone