Title of article :
Synthesis and ligand binding properties of triptycene-linked porphyrin arrays
Author/Authors :
Eimear M. Finnigan، نويسنده , , Regis Rein، نويسنده , , Nathalie Solladié، نويسنده , , Katja Dahms، نويسنده , , Daniel C.G. G?tz، نويسنده , , Gerhard Bringmann، نويسنده , , Mathias O. Senge، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2011
Abstract :
Multiporphyrin arrays are a complex class of molecules with numerous potential applications in energy transfer, photomedicine, and light harvesting. We have developed a facile/versatile route to a class of triptycene-linked porphyrin arrays via both Suzuki and Sonogashira cross-coupling methods, which makes use of the rigid three-pronged orientation of triptycene to construct trimeric porphyrin arrays linked either in the meso or β-position with various linker groups. In order to understand the properties of these potential antenna systems and probe their potential applications, the coordination behavior of zinc(II) derivatives with mono- and bidentate N-donor ligands was investigated. Depending on ligand concentration, both one- and two-point binding was observed with a bidentate ligand. Also/in addition, different cavity sizes, obtained by the use of different linker groups, resulted in differences in the binding properties of each trimeric system.
Keywords :
Porphyrins , Antenna systems , Suzuki coupling , Ligand binding , Sonogashira coupling , triptycenes
Journal title :
Tetrahedron
Journal title :
Tetrahedron