Annulation of β-naphthols and 4-hydroxycoumarins with vinylsulfonium salts: synthesis of dihydrofuran derivatives?
Organic & Biomolecular Chemistry Pub Date: 2018-03-23 DOI: 10.1039/C8OB00293B
Abstract
A new synthetic approach to dihydrofuran derivatives via the annulation reaction of β-naphthols and 4-hydroxycoumarins with vinylsulfonium salts has been developed. A variety of dihydrofuran derivatives were prepared in moderate to good yields under mild conditions. The products could be readily transformed to the corresponding furans via the dehydrogenation with DDQ.
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Journal Name：Organic & Biomolecular Chemistry
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CAS no.: 89640-58-4
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