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Carbenaporphyrins: A Missing Ligand in N-Heterocyclic Carbene Chemistry

preprint
revised on 27.08.2020 and posted on 27.08.2020 by Theo Maulbetsch, Doris Kunz
The successful synthesis of a carbenaporphyrin ligand based on carbazole and triazolylidene (CTP) is reported. Instead of a macrocyclic aromatic or antiaromatic character, the aromaticity of each heterocyclic moiety is preserved, which results in optical properties different from porphyrins, e.g. fluorescence. In Li+ and Sc3+ complexes the ligand reveals striking geometric similarity to porphyrins, but is stronger electron donating.

Funding

Landesgraduiertenförderung of the Land Baden-Württemberg

History

Email Address of Submitting Author

Doris.Kunz@uni-tuebingen.de

Institution

Eberhard Karls Universität Tübingen

Country

Germany

ORCID For Submitting Author

0000-0002-4388-6804

Declaration of Conflict of Interest

no conflict of interests

Version Notes

In the revised version, Figure 1 was corrected.

Exports