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Yoshito Kishi (1937-2023)
Yoshito Kishi (1937-2023)
Professor. Yoshito Kishi,
a member of the Honorary Editorial Associates of HETEROCYCLES,
has passed away on January 9, 2023 at the age of 85.
I deeply express my regret over his death.
Kunio Ogasawara
Editor
January 13, 2023
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Report | Regular issue | Vol 19, No. 10, 1982, pp.1921-1924
Published online, 1st January, 1970■ Formation of 1,2,3,5-Tetrasubstituted 2-Pyrrolin-4-ones and 1,2,3-Trisubstituted Pyrroles from Diphenylcyclopropenone and 1,4-Diazabutadienes
Published online, 1st January, 1970
DOI: 10.3987/R-1982-10-1921
■ Formation of 1,2,3,5-Tetrasubstituted 2-Pyrrolin-4-ones and 1,2,3-Trisubstituted Pyrroles from Diphenylcyclopropenone and 1,4-Diazabutadienes
Masahiko Takahashi, Tomomi Funaki, Hisao Honda, Yoshiyuki Yokoyama, and Hideo Takimoto
*Department of Materials Sciences, Faculty of Engineering, Ibaraki University, 4-12-1 Nakanarusawamachi, Hitachi, Ibaraki 316-8511, Japan
Abstract
The reaction of diphenylcyclopropenone (1) with 1,4-diaryl-1,4-diazabutadienes (2) afforded 1-aryl-5-(N-aryl) iminomethyl-2,3-diphenyl-2-pyrrolin-4-ones (3) as major products and 1-aryl-2,3-diphenylpyrroles (11) as minor products.
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