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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 16, No. 4, 1981, pp.521-524
Published online, 1st January, 1970■ Synthesis of 17β-Pyridyl- and 17β-Pyridonyl-androstane Derivatives
Published online, 1st January, 1970
DOI: 10.3987/R-1981-04-0521
■ Synthesis of 17β-Pyridyl- and 17β-Pyridonyl-androstane Derivatives
Jerzy Wicha* and Marek Masnyk
*Institute of Organic Chemistry, Polish Academy of Sciences, ul. Kasprzaka 44/52, P.O.Box 58, PL-01-224 Warszawa 42, Poland
Abstract
Bufadienolide analogues 11 - 14 were synthesized from the 17-oxocompound 3.
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