Octaethylhemiporphycene: Synthesis, Molecular Structure and Photophysics (pages 1651–1654)
Prof. Dr. Emanuel Vogel, Dr. Martin Bröring, Dr. Steven J. Weghorn, Peter Scholz, Reiner Deponte, Dr. Johann Lex, Dr. Hans Schmickler, Prof. Dr. Kurt Schaffner, Prof. Dr. Silvia E. Braslavsky, Dr. Martin Müller, Sigrid Pörting, Prof. Dr. Jonathan L. Sessler and Christopher J. Fowler
Article first published online: 22 DEC 2003 | DOI: 10.1002/anie.199716511
Promising as a chelating agent and as a photosensitizer hemiporphycene is the third porphyrin isomer after porphycene and corrphycene with a central N4 coordination sphere. The stable octaethyl derivative of hemiporphycene 1 was obtained by the combination of a McMurry reaction a reductive CC cleavage from a bis(tetraphyrroledialdehyde). Like its congeners. 1 possesses a planar ring skeleton.