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ChemInform Abstract: Concise Synthesis of Cyclic Ethers via the Palladium-Catalyzed Coupling of Ketene Acetal Triflates and a Zinc Homoenolate. Synthesis of the DE and GH Ring Segments of Gambierol.

✍ Scribed by Isao Kadota; Hiroyoshi Takamura; Kumi Sato; Yoshinori Yamamoto

Publisher: John Wiley and Sons
Year: 2010
Weight: 31 KB
Volume: 32
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200140126

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✦ Synopsis

Abstract

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Concise syntheses of the DE and GH ring segments of gambierol (1) were achieved by the palladium-catalyzed coupling of ketene acetal triflates and a zinc homoenolate, followed by the hydroboration of the resulting cyclic enol ethers and subsequent lactonization.

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