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The motorcyclization diaries: Palladium-catalyzed intramolecular carboacetoxylation of 4-pentenyl-substituted malonates proceeds with the aid of titanium tetraisopropoxide and iodobenzene diacetate. The transformation represents the first PdII/PdIV catalytic oxidative process that forms an Csp3Csp3 bond as well as a useful method for the synthesis of acetoxymethyl-substituted cyclopentanes or bicyclic lactones.
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Fujino et al. (2010) studied this question.
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