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2-(N-Alkylcarboxamide)-6-iminopyridyl palladium and nickel complexes: coordination chemistry and catalysis
Zhang, Wenjuan1,2; Wang, Youhong1,2; Yu, Jiangang1,2; Redshaw, Carl3; Hao, Xiang1,2; Sun, Wen-Hua1,2
2011
Source PublicationDALTON TRANSACTIONS
ISSN1477-9226
Volume40Issue:48Pages:12856-12865
AbstractThe 2-(N-alkylcarboxamide)-6-iminopyridine ligands (L1-L7) can bind as either mono-anionic tridentate N boolean AND N boolean AND N ligands on reaction with PdCl(2)(CH(3)CN)(2), to form complexes LPdCl (C1-C7), or as neutral tridentate N boolean AND N boolean AND O ligands with NiCl(2) center dot 6H(2)O, to produce complexes LNiCl(2) (C8-C14). All metal complexes were characterized by IR spectroscopy and elemental analysis, and in the case of the palladium complexes, by (1)H and (13)C NMR spectroscopy. The crystal structures of C3, C4, C6, C10, and C12 were determined by X-ray crystallography, and revealed a distorted square geometry around the palladium centre, whereas for nickel, a distorted square-pyramidal geometry was adopted. The representative palladium complex (C3) was further reacted with AgBF(4) in acetonitrile affording the salt [L3Pd(CH(3)CN)][BF(4)] (C15) and the structure of this was confirmed by single-crystal X-ray diffraction. By contrast, carrying out the reaction in dichloromethane rather than acetonitrile, in the presence of malononitrile (CNCH(2)CN), resulted in the formation of the bimetallic palladium complex [L3Pd(CNCH(2)CN)PdL3]center dot 2[BF(4)](C16). Upon activation with diethylaluminium chloride, all the nickel complexes showed high activity for ethylene dimerization. Furthermore, the palladium complexes exhibited good activities in the vinyl-polymerization of norbornene upon activation with MAO.
DOI10.1039/c1dt11079a
Indexed BySCI
Language英语
WOS IDWOS:000297560000010
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/73890
Collection中国科学院化学研究所
Corresponding AuthorZhang, Wenjuan
Affiliation1.Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
3.Univ E Anglia, Sch Chem, Norwich NR4 7TJ, Norfolk, England
Recommended Citation
GB/T 7714
Zhang, Wenjuan,Wang, Youhong,Yu, Jiangang,et al. 2-(N-Alkylcarboxamide)-6-iminopyridyl palladium and nickel complexes: coordination chemistry and catalysis[J]. DALTON TRANSACTIONS,2011,40(48):12856-12865.
APA Zhang, Wenjuan,Wang, Youhong,Yu, Jiangang,Redshaw, Carl,Hao, Xiang,&Sun, Wen-Hua.(2011).2-(N-Alkylcarboxamide)-6-iminopyridyl palladium and nickel complexes: coordination chemistry and catalysis.DALTON TRANSACTIONS,40(48),12856-12865.
MLA Zhang, Wenjuan,et al."2-(N-Alkylcarboxamide)-6-iminopyridyl palladium and nickel complexes: coordination chemistry and catalysis".DALTON TRANSACTIONS 40.48(2011):12856-12865.
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