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Synthesis of open-shell ladder π-systems by catalytic C–H annulation of diarylacetylenes

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 including Pd-catalyzed C–H/C–H annulation. X-ray crystallography and...

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Detalhes bibliográficos
Publicado no:Chem Sci
Main Authors: Maekawa, Takehisa, Ueno, Hiroshi, Segawa, Yasutomo, Haley, Michael M., Itami, Kenichiro
Formato: Artigo
Idioma:Inglês
Publicado em: Royal Society of Chemistry 2016
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC5953004/
https://ncbi.nlm.nih.gov/pubmed/29896351
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1039/c5sc03391h
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