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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 22, No. 8, 1984, pp.1709-1711
Published online, 1st January, 1970■ Reaction of N-p-Toluenesulfonyldiphenylcyclopropenimine with Pyridinium N-Imines
Published online, 1st January, 1970
DOI: 10.3987/R-1984-08-1709
■ Reaction of N-p-Toluenesulfonyldiphenylcyclopropenimine with Pyridinium N-Imines
Albert Kascheres,* J. Augusto R. Rodrigues, and Ronaldo Pilli
*Instituto de Química, Universidade Estadual de Campinas (UNICAMP), Caixa Postal 6154, CEP 13083-970, Campinas, Sao Paulo, Brazil
Abstract
Pyridinium N-imines (1) react with N-p-toluenesulfonyldiphenylcyclopropenimine (2) to afford pyridopyridazinimines (3).
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