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Report | Regular issue | Vol 19, No. 10, 1982, pp.1921-1924
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


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.