Total synthesis of the proposed structure of didemnaketal B

Haruhiko Fuwa; Kumiko Sekine; Makoto Sasaki

doi:10.1021/ol4017518

Total synthesis of the proposed structure of didemnaketal B

Haruhiko Fuwa, Kumiko Sekine, Makoto Sasaki

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Total synthesis of the proposed structure of didemnaketal B has been accomplished. The C7-C21 spiroacetal domain was synthesized by exploiting our Suzuki-Miyaura coupling/spiroacetalization strategy. The C1-C7 acyclic domain was constructed via an Evans syn-aldol reaction and a vinylogous Mukaiyama aldol reaction. Finally, the C22-C28 side chain was introduced by means of a Nozaki-Hiyama-Kishi reaction. Comparison of the NMR spectroscopic data of our synthetic material with those of the authentic sample revealed that the proposed structure requires stereochemical reassignment.

Original language	English
Pages (from-to)	3970-3973
Number of pages	4
Journal	Organic letters
Volume	15
Issue number	15
DOIs	https://doi.org/10.1021/ol4017518
Publication status	Published - 2013 Aug 2

ASJC Scopus subject areas

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry

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abstract = "Total synthesis of the proposed structure of didemnaketal B has been accomplished. The C7-C21 spiroacetal domain was synthesized by exploiting our Suzuki-Miyaura coupling/spiroacetalization strategy. The C1-C7 acyclic domain was constructed via an Evans syn-aldol reaction and a vinylogous Mukaiyama aldol reaction. Finally, the C22-C28 side chain was introduced by means of a Nozaki-Hiyama-Kishi reaction. Comparison of the NMR spectroscopic data of our synthetic material with those of the authentic sample revealed that the proposed structure requires stereochemical reassignment.",

author = "Haruhiko Fuwa and Kumiko Sekine and Makoto Sasaki",

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AU - Sekine, Kumiko

AU - Sasaki, Makoto

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AB - Total synthesis of the proposed structure of didemnaketal B has been accomplished. The C7-C21 spiroacetal domain was synthesized by exploiting our Suzuki-Miyaura coupling/spiroacetalization strategy. The C1-C7 acyclic domain was constructed via an Evans syn-aldol reaction and a vinylogous Mukaiyama aldol reaction. Finally, the C22-C28 side chain was introduced by means of a Nozaki-Hiyama-Kishi reaction. Comparison of the NMR spectroscopic data of our synthetic material with those of the authentic sample revealed that the proposed structure requires stereochemical reassignment.

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Total synthesis of the proposed structure of didemnaketal B

Abstract

ASJC Scopus subject areas

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