1,3-Dicarbonyl compounds including ethyl 2-methylacetoacetate can be efficiently alkylated with enol ethers or enol esters in the presence of manganese(III) acetate. These intermolecular radical addition reactions can be used to form sterically congested quaternary carbon centres in excellent yield (81-97%).
在
乙酸锰 (III) 存在下,包括
2-甲基乙酰乙酸乙酯在内的 1,3-二羰基化合物可以用烯醇醚或烯醇酯有效地烷基化。这些分子间自由基加成反应可用于以优异的产率 (81-97%) 形成空间拥挤的季碳中心。