Journal
PURE AND APPLIED CHEMISTRY
Volume 79, Issue 2, Pages 201-212Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1351/pac200779020201
Keywords
organic materials; phosphorus heterocycles; conjugated systems; paracyclophanes; transition metals
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The synthesis and properties of linear it-conjugated systems incorporating phosphole rings are described. Their supramolecular organization in the solid state can be controlled either by chemical modifications or coordination to transition metals of the phosphorus atom. Furthermore, chemical transformations of the phosphole ring allow organizing these P-chromophores in 3D assemblies exhibiting sigma-pi conjugation or in organometallic ferrocene-like derivatives. Phosphole-pyridine-containing pi-conjugated chromophores act as P,N-chelates toward transition-metal ions, giving rise to mono- and di-nuclear complexes. The specific properties of these complexes make them valuable materials for organic light-emitting diodes (OLEDs) and interesting building blocks for the tailoring of pi-conjugated systems.
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