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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 50, No. 2, 1999, pp.657-660
Published online, 1st January, 1970■ H-D Exchange of Psilocin and Its Analogs
Published online, 1st January, 1970
DOI: 10.3987/COM-98-S(H)87
■ H-D Exchange of Psilocin and Its Analogs
Kazuyo Sogawa, Kimiko Hashimoto, and Haruhisa Shirahama*
*School of Science, Kwansei Gakuin University, Uegahara, Nishinomiya 662-8501, Japan
Abstract
H-D exchange experiments were performed on psilocin (1) and its analogs in MeOH-d4. The various exchange rates depending on their C3-substituents were observed. The exchange of bufotenine (5) and 5-hydroxyindole (7) is much slower than psilocin (1) and its analogs (2~4).
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