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An efficient approach for difluoromethylation of dicyanoalkylidenes by electrophilic S-(difluoromethyl)sulfonium salt under organic base was described. A wide range of structurally and functionally diverse dicyanoalkylidenes was readily transferred into corresponding desirable difluoromethylated compounds bearing difluoromethylated all-carbon-substituted centers in good to excellent yields under standard reaction conditions. 相似文献
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