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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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Paper | Regular issue | Vol 55, No. 12, 2001, pp.2361-2368
Published online, 1st January, 1970■ Simple Syntheses of Analogs of a Wasabi Phytoalexin
Published online, 1st January, 1970
DOI: 10.3987/COM-01-9352
■ Simple Syntheses of Analogs of a Wasabi Phytoalexin
Fumio Yamada, Koji Yamada, Hikari Takeda, and Masanori Somei*
*Faculty of Pharmaceutical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-0934, Japan
Abstract
Preparations of 5-nitroindol-1-yl (5a), 6-nitroindol-1-yl (5b), and 1,2,3-benzotriazol-1-yl 1-methoxyindole-3-carboxylates (9) are reported. These are active esters and proved to be useful intermediates for the preparations of ester and amide analogs of methyl 1-methoxyindole-3-carboxylate, a wasabi phytoalexin.
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