Structures of Azaspiracid Analogs, Azaspiracid-4 and Azaspiracid-5, Causative Toxins of Azaspiracid Poisoning in Europe

Katsuya OFUJI; Masayuki SATAKE; Terry MCMAHON; Kevin J. JAMES; Hideo NAOKI; Yasukatsu OSHIMA; Takeshi YASUMOTO

doi:10.1271/bbb.65.740

Bioscience, Biotechnology, and Biochemistry

Online ISSN : 1347-6947
Print ISSN : 0916-8451

Organic Chemistry

Structures of Azaspiracid Analogs, Azaspiracid-4 and Azaspiracid-5, Causative Toxins of Azaspiracid Poisoning in Europe

Katsuya OFUJI, Masayuki SATAKE, Terry MCMAHON, Kevin J. JAMES, Hideo NAOKI, Yasukatsu OSHIMA, Takeshi YASUMOTO

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Keywords: azaspiracid, shellfish poisoning, azaspiracid analogs

JOURNAL FREE ACCESS

2001 Volume 65 Issue 3 Pages 740-742

DOI https://doi.org/10.1271/bbb.65.740

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Abstract

Two new analogs of azaspiracid, azaspiracid-4 and azaspiracid-5, isolated from the mussel Mytilus edulis, involved in a newly emerged shellfish poisoning in Europe were determined to be 3-hydroxy-22-demethylazaspiracid and 23-hydroxy-22-demethylazaspiracid, respectively.

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