New formal [3 + 2] photoaddition of vinyl ethers to o-benzoquinones
Abstract
Irradiation of o-benzoquinones with vinyl ethers in acetonitrile gives 2-alkoxy-7-hydroxy-2,3-dihydrobenzofurans in 28–74% yields via regioselective [3 + 2] photoaddition.
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Chem. Commun., 1996, 703-704
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New formal [3 + 2] photoaddition of vinyl ethers to o-benzoquinones
A. Takuwa, R. Kai, K. Kawasaki, Y. Nishigaichi and H. Iwamoto, Chem. Commun., 1996, 703 DOI: 10.1039/CC9960000703
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