A novel tandem transetherification—intramolecular hetero Diels–Alder reactions for construction of fused heterocycles
作者： Eiji Wada , Govindaraj Kumaran , Shuji Kanemasa
DOI: 10.1016/S0040-4039(99)02003-1
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摘要: Abstract β-Alkoxy-substituted α,β-unsaturated carbonyl compounds activated with an additional electron-withdrawing substituent undergo a facile tandem transetherification/intramolecular hetero Diels–Alder reactions when reacted δ,e-unsaturated alcohols under thermal conditions. These are stereoselective producing the corresponding functionalized hydropyranopyran derivatives in good yields.
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