Vinylindenes and some heteroanalogues in the Diels-Alder reaction. V. 3-Vinylindoles and quinones
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3-Vinylindoles give adducts containing a benzo- or naphtho-carbazole ring system by 1,4-cycloadditionsto 1,4-benzoquinone and 1,4- naphthoquinone respectively. The adducts are readily dehydrogenated to the corresponding heterocyclic quinones. No skeletal rearrangement accompanies oxidation with oxygen in base.
2015 ◽
Vol 71
(2)
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pp. 213-216
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2002 ◽
Vol 43
(9)
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pp. 1705-1708
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1996 ◽
Vol 37
(45)
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pp. 8065-8068
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1986 ◽
pp. 117-123
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