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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: Elsevier Science
Year: 2001
Tongue: French
Weight: 65 KB
Volume: 42
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)00824-3

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✦ Synopsis

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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