ICCAS OpenIR
Controllable supramolecular assembly by pi-pi interactions: Cobalt(II) and copper(II) complexes with benzimidazole derivatives
Sun, WH; Shao, CX; Chen, Y; Hu, HM; Sheldon, RA; Wang, HG; Leng, XB; Jin, XL
2002-10-14
Source PublicationORGANOMETALLICS
ISSN0276-7333
Volume21Issue:21Pages:4350-4355
AbstractTwo novel helical supramolecular architectures were constructed by self-assembly of cobalt(II) (1) and copper(II) complexes (2) of 1-[(5-methyl-2-furyl)methylene]-2-(5-methyl-2-furyl)benzimidazole in the crystalline form, which were stabilized through the intra- and intermolecular pi-pi interactions between benzimidazole rings. When the methylfuran fragment of the ligand was switched to a furan group, the cobalt complex (3) of 1-(2-furylmethylene)-2-(2-furyl)benzimidazole formed another type of supramolecular network through pi-pi interactions under similar reaction conditions. The spectral and thermal behaviors of complexes 1-3 were investigated by ultraviolet, chiral dichroism, and fluorescence spectral and thermogravimetric techniques. When MAO was used as the cocatalyst, complex 1 displayed satisfactory activity for ethylene oligomerization up to 2.5 X 10(5) g of C2H4 mol(-1) h(-1) at room temperature and 9 atm of ethylene.
DOI10.1021/om020370r
Indexed ByIC ; CCR ; SCI
Language英语
WOS IDWOS:000178522200014
PublisherAMER CHEMICAL SOC
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78642
Collection中国科学院化学研究所
Corresponding AuthorSun, WH
Affiliation1.Chinese Acad Sci, Inst Chem, State Key Lab Engn Plast, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
3.Delft Univ Technol, Fac Sci Appl, Dept Biotechnol, NL-2600 GA Delft, Netherlands
4.Nankai Univ, State Key Lab Funct Polymer, Tianjin 300071, Peoples R China
5.Peking Univ, Inst Phys Chem, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Sun, WH,Shao, CX,Chen, Y,et al. Controllable supramolecular assembly by pi-pi interactions: Cobalt(II) and copper(II) complexes with benzimidazole derivatives[J]. ORGANOMETALLICS,2002,21(21):4350-4355.
APA Sun, WH.,Shao, CX.,Chen, Y.,Hu, HM.,Sheldon, RA.,...&Jin, XL.(2002).Controllable supramolecular assembly by pi-pi interactions: Cobalt(II) and copper(II) complexes with benzimidazole derivatives.ORGANOMETALLICS,21(21),4350-4355.
MLA Sun, WH,et al."Controllable supramolecular assembly by pi-pi interactions: Cobalt(II) and copper(II) complexes with benzimidazole derivatives".ORGANOMETALLICS 21.21(2002):4350-4355.
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