Synthesis and crystal structures of copper(II) and silver(I) complexes of a biphenyl-bridged bipyrazolyl ligand

A semirigid bipyrazolyl ligand, 4,4′-bis[(3″,5″-diethyl-1 H -pyrazol-4″-yl)methylene)]-1,1′-biphenyl (H 2 L ) , and four of its Ag(I) and Cu(II) complexes have been prepared and structurally characterized. X-ray analysis demonstrates that the Ag(I) complexes are dinuclear molecular rectangle, while...

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Bibliographic Details
Published in:Transition metal chemistry (Weinheim) 2012-09, Vol.37 (6), p.595-600
Main Authors: Duan, Peng-Cheng, Huang, Zhan-Dong, Zhang, Fang-Fang, Yang, Guang
Format: Article
Language:English
Subjects:
Catalysis
Chemistry
Chemistry and Materials Science
Inorganic Chemistry
Organometallic Chemistry
Physical Chemistry
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Summary:A semirigid bipyrazolyl ligand, 4,4′-bis[(3″,5″-diethyl-1 H -pyrazol-4″-yl)methylene)]-1,1′-biphenyl (H 2 L ) , and four of its Ag(I) and Cu(II) complexes have been prepared and structurally characterized. X-ray analysis demonstrates that the Ag(I) complexes are dinuclear molecular rectangle, while the Cu(II) complexes display a twisted rectangular structure. Two different conformations, namely cis and trans , have been observed for this bipyrazolyl ligand.
ISSN:0340-4285
1572-901X
DOI:10.1007/s11243-012-9627-y