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Abstract
A new approach to directly access bicyclo[2.1.1]hexanes (BCHs) from easily prepared enol silyl ethers and bicyclo[1.1.0]butanes (BCBs) through formal [2π+2σ] cycloaddition was developed involving two-electron mediated process promoted by commercially available Lewis acids. This new reaction tolerated a wide range of enol silyl ethers and BCBs. In addition, a scale-up experiment and the synthetic transformations of the cycloadducts further highlighted the synthetic utility.
Supplementary materials
Title
Intermolecular Formal [2π+2σ] Cycloaddition of Enol Silyl Ethers with Bicyclo[1.1.0]butanes Promoted by Lewis acids
Description
The Supporting Information is available free of charge at
https://pubs.acs.org/
Experimental procedures and analysis data for all new
compounds (PDF)
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