Volume 116, Issue 47 pp. 6667-6672
Zuschrift

A Formal Total Synthesis of (+)-Pinnatoxin A

Satoshi Sakamoto Dr.

Satoshi Sakamoto Dr.

Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, Fax: (+81) 22-217-6566

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Hayato Sakazaki

Hayato Sakazaki

Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, Fax: (+81) 22-217-6566

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Koji Hagiwara

Koji Hagiwara

Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, Fax: (+81) 22-217-6566

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Kei Kamada

Kei Kamada

Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, Fax: (+81) 22-217-6566

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Kento Ishii

Kento Ishii

Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, Fax: (+81) 22-217-6566

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Takeshi Noda Prof. Dr.

Takeshi Noda Prof. Dr.

Department of Applied Chemistry, Faculty of Engineering, Kanagawa Institute of Technology, Atsugi 243-0292,, Japan

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Masayuki Inoue Prof. Dr.

Masayuki Inoue Prof. Dr.

Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, Fax: (+81) 22-217-6566

Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan

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Masahiro Hirama Prof. Dr.

Masahiro Hirama Prof. Dr.

Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, Fax: (+81) 22-217-6566

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First published: 01 December 2004
Citations: 14

This work was supported by CREST, Japan Science and Technology Agency (JST). A fellowship to H.S. from the Japan Society for the Promotion of Science (JSPS) is gratefully acknowledged. We thank Professor Y. Kishi (Harvard University) for providing NMR spectra of synthetic intermediates, Professor D. Uemura (Nagoya University) for providing natural pinnatoxin A, and Professor K. Nagasawa (Tokyo University of Agriculture and Technology) for helpful discussions.

Graphical Abstract

Die leistungsstarke Dithiankupplung (A) zweier Fragmente und die anschließende Makrocyclisierung durch Ringschlussmetathese (B) lieferten den vollständigen 27-gliedrigen Carbocyclus von (+)-Pinnatoxin A (1), einem wesentlichen toxischen Prinzip, das für das Auftreten von Schalentiervergiftungen in China und Japan verantwortlich ist.

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