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Paper | Regular issue | Vol 41, No. 10, 1995, pp.2289-2298
Published online, 1st January, 1970
DOI: 10.3987/COM-95-7180
Reactions of 2-Alkylamino- and 2-Dialkylamino-1-azaazulenes with Diphenylcyclopropenone

Noritaka Abe,* Toshihiro Murafuji, Yoshikazu Sugihara, and Akikazu Kakehi

*Department of Chemistry, Faculty of Science, Yamaguchi University, Yamaguchi 753, Japan

Abstract

Reaction of 2-alkylamino-1-azaazulenes with DPP gave 1,2-diphenyl-3H-9-azacyclopent[a]azulen-3-one and N-alkyl-N-(1-azaazulen-2-yl)-2,3-diphenyl-2-propenamides. Reaction of 2-dialkylamino-1-azaazulenes with DPP gave 2-dialkylamino-4,5-diphenyl-7H-1-azacyclopent[e]azulen-7-ones 2-dialkylamino-3,4-diphenyl-5H-1-azabenz[cd]azulen-5-ones. Some structures of the products were determined by single-crystal X-ray structure analyses.