HETEROCYCLES
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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. 11, 1981, pp.1879-1882
Published online, 1st January, 1970■ On Cardioactive Steroids V. Synthesis of the Pyridone Analogue of Bufalin
Published online, 1st January, 1970
DOI: 10.3987/R-1981-11-1879
■ On Cardioactive Steroids V. Synthesis of the Pyridone Analogue of Bufalin
Min-Jen Shiao, Thomas Y. R. Tsai, and Karel Wiesner*
*Natural Products Research Center, Department of Chemistry, University of New Brunswick, Bag Service #45222, Fredericton, New Brunswick, E3b 5A3, Canada
Abstract
An efficient and simple synthesis of azabufalin (2) from compound (4) derived from testosterone is reported.
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