4-Ethynylpyridine as bridging moiety in mixed Ru/Re complexes

Fritz E. Kühn, Jing Lin Zuo, Fabrizia Fabrizi De Biani, Ana M. Santos, Yanmei Zhang, Jin Zhao, Angela Sandulache, Eberhardt Herdtweck

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Two ruthenium(II) 4-ethynylpyridine-hydride complexes bearing one Lewis-basic nitrogen atom as coordination site, namely trans-Ru(dppe) 2H(C≡Cpy-4) (1) and trans-Ru(dppm)2H(C≡Cpy-4) (2) (dppe = 1,2-bis(diphenylphosphino) ethane, dppm = 1,2-bis(diphenylphosphino) methane) and Ru(dmpe)2(C≡Cpy-4)2 (3) (dmpe = 1,2-bis(dimethylphosphino) ethane) with two nitrogen donor atoms were applied to synthesize the heterobimetallic mixed Ru/Re complexes 4-7. The X-ray crystal structure of the binuclear complex [Re(CO)3-(t-bu2bipy) Ru(dppe)2(C≡Cpy-4)H] [OS(=O)2CF3] (t-bu2bipy = 4, 4′-di (t-butyl)-2,2′-bipyridine, (7)) has been determined. Besides the usual characterization (IR, NMR, UV/Vis, EA) of the compounds 1-7, thermogravimmetry (TG) and cyclovoltammetry (CV) of selected complexes were measured in order to study the interaction between the organometallic building blocks. The existence of long-range Ru⋯Re interactions has been observed.

Original languageEnglish
Pages (from-to)43-51
Number of pages9
JournalNew Journal of Chemistry
Volume28
Issue number1
DOIs
StatePublished - Jan 2004

Fingerprint

Dive into the research topics of '4-Ethynylpyridine as bridging moiety in mixed Ru/Re complexes'. Together they form a unique fingerprint.

Cite this