Cyclopropanation of Propargyl Sulfonium Salts: Highly Diastereoselective Synthesis of Alkynylcyclopropanes
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The first propargyl sulfur ylides involving a cyclopropanation reaction between propargyl sulfonium salts and acrylonitrile derivatives is presented. Propargyl sulfonium salts act as unusual alkyne-group-delivering reagents in this transformation. Various alkynylcyclopropanes bearing three contiguous stereocenters were constructed in moderate to high yields with excellent diastereoselectivity under mild reaction conditions.
创建时间：
2022-11-04
