Abstract
We report the synthesis and characterization of new organometallic assemblies consisting of a central Zn(II) tetraphenylporphyrin (ZnTPP) core surrounded by four Ru(II) alkynyl complexes (trans-Ru(dppe)2R) appended at the para phenyl positions and acting as peripheral donor groups. The synthesis of the tetra-chlorido derivative 2 (R=Cl) is reported first, followed by that of three extended homologues (3-X) obtained from this building block by substitution of the chlorido ligands by functionalized arylacetylenes (R=CC(4-C6H4X); X=NO2, H, OMe). Measurement of the nonlinear absorption properties of the pentametallic derivatives 3-X reveals that these extended π-networks incorporating polarizable organometallic units behave as good two-photon absorbers in the visible and near-IR range.
| Original language | English |
|---|---|
| Pages (from-to) | 10351-10359 |
| Number of pages | 9 |
| Journal | Tetrahedron |
| Volume | 68 |
| Issue number | 50 |
| DOIs | |
| Publication status | Published - 16 Dec 2012 |
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