Methylenecyclopropanes (MCPs) are highly strained but readily accessible molecules. Their high ring strain provides them with increased reactivity, and MCPs undergo a series of interesting reactions under mild conditions, providing efficient methods for the construction of many useful organic compounds. In recent years, the exploration of MCP novel reactions has attracted much attention of organic chemists. Generally, MCP reaction types include transition metal-catalyzed reactions, free radical additions, electrophilic additions and Lewis acid-catalyzed reactions. To the best of our knowledge, the most recent review on MCPs was published in 2003. The present review summarizes recent advances on MCPs up to 2010.
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