Synthesis of a helicene-fused porphyrin leading to a π-extended chiral chromophore.

The preparation of several covalently linked [6]-helicene-porphyrins is reported. A fused [6]-helicene-porphyrin π-extended aromatic system was isolated, the enantiomers separated and the chiroptical properties determined. The oxidative cyclodehydrogenation proved to be very effective for six-membered fused helical systems, but not suited for the formation of five-membered fused systems.

Citation

Vincent Silber, Nathalie Gruber, Marion Jean, Nicolas Vanthuyne, Romain Ruppert. Synthesis of a helicene-fused porphyrin leading to a π-extended chiral chromophore. Chemical communications (Cambridge, England). 2022 May 17;58(40):6012-6015

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PMID: 35485612

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