Heterometallic assemblies from ruthenium 4-ethynylpyridyl precursors

Abstract

This thesis describes the syntheses, characterization and properties of a series of mononuclear Ru(II) 4-ethynylpyridine complexes and their high nuclearity complexes. It includes:

a) Syntheses and characterization of mononuclear Ru(II) 4-ethynylpyridine complexes: : trans-[Ru(L)(C=Cpy-4)(P-P)2] or [Ru(¿5-C5H5)(C=Cpy-4)(P-P)] (L = Cl or H; P-P = 2PPh3, dppm, dppe, dppf); b) Syntheses and characterization of high nuclearity complexes by introducing a range of metal fragments, from square planar Pd(II)/Pt(II) chloride, paddlewheel geometrical dirhodium tetracetate to octahedral Re(I) diimine carbonyls, into the complexes synthesized in part a); c) Optical and electrochemical studies of the complexes synthesized in parts a) and b).

The complexes were characterized mainly by 1H, 31P and 13C NMR spectroscopy, ESI-MS, EA and X-ray single-crystal crystallography.