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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 | Regular issue | Vol 16, No. 4, 1981, pp.533-536
Published online, 1st January, 1970■ Structure and Synthesis of 6-Iminosanguinarine, a New Benzophenanthridine Artefact
Published online, 1st January, 1970
DOI: 10.3987/R-1981-04-0533
■ Structure and Synthesis of 6-Iminosanguinarine, a New Benzophenanthridine Artefact
Luis Castedo,* Domingo Domínguez, Manuel Pereira, Jósé Saá, and Rafael Suau
*Facultad de Química y Sección de Alcaloides, Deparamento de Química Orgánica, C. S. I. C., Santiago de Compostela, Spain
Abstract
6-iminosanguinarine (5), a novel benzophenanthridine artefact was isolated from the roots of Glaucium flavum Cr. var. vestitum. The structure was determined by spectral data and synthesis.
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