Citation: XIA Yong, ZENG Xue-Hua, LUO Yan-Sheng, DI Bao-Sheng, QIU Lu, HE Li-Hua, LIU Sui-Jun, WEN He-Rui, CHEN Jing-Lin. Syntheses and Characterizations of Copper(Ⅰ)Bisphosphine Complexes Based on 6-Methoxycarbonyl-2,2'-bipyridine[J]. Chinese Journal of Inorganic Chemistry, ;2016, 32(11): 2012-2016. doi: 10.11862/CJIC.2016.227 shu

Syntheses and Characterizations of Copper(Ⅰ)Bisphosphine Complexes Based on 6-Methoxycarbonyl-2,2'-bipyridine

1.
School of Metallurgy and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China

Corresponding author: CHEN Jing-Lin,
Received Date: 21 July 2016
Available Online: 11 September 2016
Fund Project:

Two mononuclear Cu(Ⅰ) complexes,[Cu(mbpy)(dppe)]ClO₄ (1) and[Cu(mbpy)(dppp)]ClO₄·CH₂Cl₂ (2), have been synthesized by using 6-methoxycarbonyl-2,2'-bipyridine (mbpy) as N-heterocyclic bidentate chelating ligand and 1,2-bis(diphenylphosphino)ethane (dppe) and 1,3-bis(diphenylphosphino)propane (dppp) as auxiliary ligand. They have been well characterized by elemental analysis, infrared spectroscopy, UV-Vis absorption spectroscopy and single-crystal X-ray diffraction. As revealed by crystal structure analysis, complexes 1 and 2 are all mononuclear Cu(Ⅰ) complexes and the central Cu(Ⅰ) ion coordinates with two N atoms of the 2,2-bipyridyl ring and two P atoms of bisphosphine ligand to generate a distorted tetrahedral configuration. Complexes 1 and 2 have a weak low-energy absorption band in the 350~525 nm region, assigned to charge-transfer transitions with appreciable metal-to-ligand charge-transfer (MLCT) character. CCDC:1493463, 1; 1493464, 2.
- copper(Ⅰ) complex;6-methoxycarbonyl-2,2'-bipyridine;bisphosphine ligand;crystal structure
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沈阳化工大学材料科学与工程学院沈阳 110142