Synthesis of open-shell ladder π-systems by catalytic C–H annulation of diarylacetylenes† †Electronic supplementary information (ESI) available: Syntheses, NMR, UV-vis-nearIR absorption, CV and crystallographic table. CCDC 1421865 (1a), 1421866 (1b). For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c5sc03391h

A new open-shell ladder-shaped π-system has been synthesized. A new open-shell ladder-shaped π-system has been synthesized. Pentaleno[1,2- b :4,5- b ′]difluorene derivatives, 8 fused ring systems bearing 5- and 6-membered rings, were constructed from alkynylfluorenone through a reaction sequence inc...

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Veröffentlicht in:	Chemical science (Cambridge) 2015-10, Vol.7 (1), p.650-654
Hauptverfasser:	Maekawa, Takehisa, Ueno, Hiroshi, Segawa, Yasutomo, Haley, Michael M., Itami, Kenichiro
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry
Online-Zugang:	Volltext
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