Annulation and arylation stabilize new porphyrinoids.
More pi, please! A free-base, benzannelated triphyrin with a [2.1.1] bridging pattern (1) and an azulene-derived tetracationic all-carbon porphyrinoid (2) are discussed. Compound 1 can be used to form metal triphyrin complexes, and 2 shows potential in molecular electronics and as a receptor for weakly binding anions.
Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials, University of Erlangen-Nuremberg, Henkestrasse 42, 91054 Erlangen, Germany. norbert.jux@chemie.uni-erlangen.de
Norbert
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Jux