Use of 2-phenylsulphonyl cyclic ethers i
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Dearg S. Brown; Steven V. Ley; Sadie Vile; Mervyn Thompson
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Article
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1991
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Elsevier Science
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French
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2-Phenylsulphonyl cyclic ethers undergo facile displacement of the sulphonyl group by alcohols, in the presence of magnesium bromide etherate and sodium bicarbonate in tetrahydrofuran, to give good yields of the corresponding acetals. The preparation of tetrahydro-pyran and -furan ethers typically