TY - JOUR
T1 - 4-Ethynylpyridine as bridging moiety in mixed Ru/Re complexes
AU - Kühn, Fritz E.
AU - Zuo, Jing Lin
AU - Fabrizi De Biani, Fabrizia
AU - Santos, Ana M.
AU - Zhang, Yanmei
AU - Zhao, Jin
AU - Sandulache, Angela
AU - Herdtweck, Eberhardt
PY - 2004/1
Y1 - 2004/1
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=1242329157&partnerID=8YFLogxK
U2 - 10.1039/b307919h
DO - 10.1039/b307919h
M3 - Article
AN - SCOPUS:1242329157
SN - 1144-0546
VL - 28
SP - 43
EP - 51
JO - New Journal of Chemistry
JF - New Journal of Chemistry
IS - 1
ER -