Synthesis, characterization, and photophysical properties of a thiophene-functionalized bis(pyrazolyl) pyridine (BPP) tricarbonyl rhenium(i) complex?

Dalton Transactions Pub Date: 2010-07-23 DOI: 10.1039/C0DT00357C

Abstract

A bromo tricarbonyl rhenium(I) complex with a thiophene-functionalized bis(pyrazolyl) pyridine ligand (L), ReBr(L)(CO)3 (1), has been synthesized and characterized by variable temperature and COSY 2-D 1H NMR spectroscopy, single-crystal X-ray diffraction, and photophysical methods. Complex 1 is highly luminescent in both solution and solid-state, consistent with phosphorescence from an emissive 3MLCT excited state with an additional contribution from a LC 3(π→π*) transition. The single-crystal X-ray diffraction structure of the title ligand is also reported.

Graphical abstract: Synthesis, characterization, and photophysical properties of a thiophene-functionalized bis(pyrazolyl) pyridine (BPP) tricarbonyl rhenium(i) complex
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