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Paper | Regular issue | Vol 36, No. 7, 1993, pp.1561-1575
Published online, 1st January, 1970
DOI: 10.3987/COM-93-6339
The Chemistry of Polyphyrins 2. Syntheses of Hexaphyrins and Their Metal Complexes

Roland Charriere, Titus A. Jenny, Hans Rexhausen, and Albert Gossauer*

*Institut für Organische Chemie, Universität Freiburg I. Ue., ret. du Musée, CH-1700 Fribourg, Switzerland

Abstract

The synthesis of eight derivatives of a 26 π-electron macrocycle analogous to the porphyrins bearing six pyrrole rings and six methine bridges is described. This chromophore is named hexaphyrin. Owing to the flexibility of their chromophore, hexaphyrins are able to form two kind of binuclear coordination complexes of substantially different geometry.