HETEROCYCLES
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Obituary
Zenichi Yoshida (1925-2023)
Zenichi Yoshida (1925-2023)
Professor. Zenichi Yoshida,
a member of the Honorary Advisors of HETEROCYCLES (1975-1998),
has passed away on May 4, 2023 at the age of 97.
I deeply express my regret over his death.
Kunio Ogasawara
Editor
May 11, 2023
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Communication | Special issue | Vol 88, No. 2, 2014, pp.969-973
Published online, 6th September, 2013
Published online, 6th September, 2013
DOI: 10.3987/COM-13-S(S)106
■ Improved Synthesis of the A-E Ring Segment of Ciguatoxin CTX3C
Kengo Shiroma, Hiroki Asakura, Tokihiro Tanaka, Hiroyoshi Takamura, and Isao Kadota*
*Graduate School of Natural Sciences and Technology, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
Abstract
The improved synthesis of the A-E ring segment of ciguatoxin CTX3C was performed via a highly convergent approach based on intramolecular allylation-RCM methodology.
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