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Communication | Regular issue | Vol 4, No. 7, 1976, pp.1281-1286
Published online, 1st January, 1970
DOI: 10.3987/R-1976-07-1281
Azafulvenes 4. Cycloaddition Reaction of 6-Amino-1-azafulvene to Isocyanate, Ketene and Sulfene

Takashi Kobayahsi, Shoji Kajigaeshi, and Shuji Kanemasa*

*Instituete of Advanced Material Study, Kyushu University, 6-1, Kasuga-koen, Kasuga 816-8580, Japan


6-Amino-1-azafulvene and its benzo analog, generated from the iminium perchlorate by deprotonation, reacted with isocyanate, ketene and sulfene affording the corresponding [6+2] cycloadducts.