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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 31, No. 11, 1990, pp.1915-1918
Published online, 1st January, 1970■ Formation of Two Dimers from Diphenyl-2-thienylmethyl Radicals and Their Structure
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5568
■ Formation of Two Dimers from Diphenyl-2-thienylmethyl Radicals and Their Structure
Akihiko Ishii, Motoaki Sugino, Juzo Nakayama,* and Masamatsu Hoshino
*Department of Chemistry, Faculty of Science, Saitama University, Saitama, Saitama 338-8570, Japan
Abstract
Diphenyl-2-thienylmethyl radical dimerizes in solution at room temperature to give 2-(diphenylmethylene)-5-(diphenyl-2-thienylmethyl)-2,5-dihydrothiopehen and a small amount of 5,5’-bis(diphenylmethylene)-2,2’,5,5’-tetrahydro-2,2’-bithiophene.
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