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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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Report | Regular issue | Vol 16, No. 10, 1981, pp.1727-1733
Published online, 1st January, 1970■ Structure and Absolute Configuration of Serpenticine, a New Anhydronium Base from Rauwolfia vomitoria Afzuelia
Published online, 1st January, 1970
DOI: 10.3987/R-1981-10-1727
■ Structure and Absolute Configuration of Serpenticine, a New Anhydronium Base from Rauwolfia vomitoria Afzuelia
Abdul Malik, Nighat Afza, and Salimuzzaman Siddiqui*
*H. E. J. Postgraduate Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan
Abstract
The structure and absolute configuration 9 of serpenticine, a new anhydronium base isolated from Rauwolfia vomitoria Afz., has been determined with the aid of UV, IR and 13C-nmr spectral data of the base along with ORD, proton nmr and high resolution mass spectra of its tetrahydro product 8.
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