Total syntheses of (±)-taiwaniaquinol D and (±)-taiwaniaquinone D via a key Lewis acid-catalyzed Nazarov type cyclization

Tetrahedron Letters(2016)

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摘要
•Synthesis of taiwaniaquinoids via a key Nazarov type cyclization has been developed.•Only 2mol% of Bi(OTf)3 is sufficient to construct [6,5,6]-core of the natural products.•Concise total syntheses of (±)-taiwaniaquinol D and (±)-taiwaniaquinone D are reported.
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关键词
abeo-Abietane,Total synthesis,Nazarov cyclization,Quaternary stereocenter,Taiwaniaquinoids
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