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À propos de : [5]Helicene-Fused PhthalocyanineDerivatives. New Members of thePhthalocyanine Family        

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  • [5]Helicene-Fused PhthalocyanineDerivatives. New Members of thePhthalocyanine Family
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  • An efficient synthetic route to fuse [5]helicenemoieties around the phthalocyanine core is reported. Thehelicene moiety was constructed by the Diels−Alder reactionof 3,4,3‘,4‘-tetrahydro-1,1‘-dinaphthyl and dibromobenzyne.Subsequent cyanation, oxidation, O-alkylation, and cyclictetramerization resulted in octaalkoxy phthalocyanine derivatives which showed high solubility in common organicsolvents and displayed strong absorption in the near-IRregion.
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