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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
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May 11, 2023
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Communication | Special issue | Vol 30, No. 1, 1990, pp.275-278
Published online, 1st January, 1970■ Mechanism of BF3·Etherate-Catalyzed Rearrangement of Fucosterol Epoxide
Published online, 1st January, 1970
DOI: 10.3987/COM-89-S30
■ Mechanism of BF3·Etherate-Catalyzed Rearrangement of Fucosterol Epoxide
Yoshinori Fujimoto,* Yoji Ikuina, Yoko Kanzawa, Mitsuhiro Nagakari, Katsumi Kakinuma,* and Nobuo Ikekawa
*Department of Chemistry, Faculty of Science, Tokyo Instituteof Technology, Meguro-ku, Tokyo 152-8552, Japan
Abstract
The mechanism of the BF3·etherate-catalyzed rearrangement of fucosterol benzoate 24,28-epoxide (1) leading to desmosterol benzoate (2) and two carbonyl compounds (3) and (4) was investigated.
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