Published in
Elsevier, Tetrahedron Letters, 37(49), p. 5397-5399
DOI: 10.1016/j.tetlet.2008.07.008
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Triptycene as a rigid, 120° orienting, three-pronged, covalent scaffold for porphyrin arrays
Journal article published in 2008 by
Katja Dahms,
Mathias O. Senge 
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Abstract
The synthesis of novel porphyrin trimers covalently linked by one central, rigid triptycene unit is described. Reaction of 2,6,14-triiodotriptycene, generated in a three-step synthesis from triptycene, with borylated porphyrins under Suzuki cross-coupling conditions afforded porphyrin trimers. In addition, Sonogashira cross-coupling conditions could be successfully applied for the synthesis of trimeric porphyrin arrays as well.