Intermolecular Formal [2π + 2σ] Cycloaddition of Enol Silyl Ethers with Bicyclo[1.1.0]butanes Promoted by Lewis Acids.
Org Lett
; 26(30): 6309-6313, 2024 Aug 02.
Article
em En
| MEDLINE
| ID: mdl-39041658
ABSTRACT
Silyl enol ethers react with bicyclo[1.1.0]butanes (BCBs) through Yb(OTf)3-promoted formal [2π + 2σ] cycloaddition reactions to furnish bicyclo[2.1.1]hexanes (BCHs). This new reaction tolerated a wide range of enol silyl ethers and BCBs. Furthermore, the amplification experiments and synthetic transformations of the cycloaddition compounds further highlighted their practicality.
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MEDLINE
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En
Ano de publicação:
2024
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Article