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meso-Alkylidenyl dibenzihexaphyrins: synthesis and protonation studies
- Hong, Seong-Jin, Dutta, Ranjan, KumarCurrent address: Department of Chemistry, National Institute of Technology Srinagar, Hazratbal, India. email@example.com, Ravi, He, Qing, Lynch, Vincent M., Sessler, Jonathan L., Lee, Chang-Hee
- Chemical communications 2019 v.55 no.65 pp. 9693-9696
- chemical bonding, chemical compounds, moieties, protonation, spectral analysis
- The synthesis and characterization of the alkylidenyl-dibenzihexaphyrins bearing four indanedionyl groups at the meso-positions linked via four meso-exocyclic double bonds is reported. Treatment with trifluoroacetic acid at 50 °C leads to C(α)-protonation of the two indanedionyl groups resulting increased macrocyclic conjugation with dramatic red shifted absorption spectra.