Bulletin of the Chemical Society of Japan p. 693 - 697 (1998)
Update date:2022-08-03
Topics:
Minabe, Masahiro
Nozawa, Toshiya
Kurose, Tomoko
Kimura, Takao
Tsubota, Motohiro
9-(Tropylidenehydrazono)fluorene (1) was obtained by a reaction between 9-fluorenone hydrazone and tropylium tetrafluoroborate. ccompanied by 9-fluorenone azine, 9-(benzylidenehydrazono)fluorene, and 9,9-ditropylfluorene. The amination of 1 occurred at the 2-position of the tropylidene moiety. The addition of tosyl isocyanate to 1 gave the [8 +2] cycloadduct at the 2,4,6-cydoheptatrien-1-imine structure.
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(2013)
