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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
Editor
May 11, 2023
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Communication | Regular issue | Vol 23, No. 5, 1985, pp.1089-1092
Published online, 1st January, 1970■ (—)-9-Demethyltubulosine, an Alkaloid from Alangium vitiense (A. Gray) Baillon (Alangiaceae)
Published online, 1st January, 1970
DOI: 10.3987/R-1985-05-1089
■ (—)-9-Demethyltubulosine, an Alkaloid from Alangium vitiense (A. Gray) Baillon (Alangiaceae)
Christiane Kan-Fan, Raimundo Freire, Henri-Philippe Husson,* Tozo Fujii, and Masashi Ohba
*Institut des Chimie des Substances Naturelles, C.N.R.S., 1 avenue de la Terrasse, Bat. 27, 91198 Gif-sur-Yvette Cedex, France
Abstract
The structure of (-)-9-demethyltubulosine, isolated from the trunk bark of Alangium vitiense (Alangiaceae), was determined from an analysis of its MS, 1H and 13C nmr data and by a direct comparison with the synthetic racemic alkaloid.
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