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期刊论文
Ligand chirality-controlled selective formation of mono-and dinuclear copper complexes
Inorganica Chimica Acta 331(2002)194-198,-0001,():
Reaction of copper (II) acetate with the (S)-enantiomer of a tridentate binaphthyl Schiff base ligand, 2-(3,5-dichloro-2-hydroxybenzylideneamino)-2'-hydroxy-1,1'-binaphthyl (H2L), in methanol afforded mononuclear copper (II) complex [CuII(HL)2] ((S,S)-1) in 52% isolated yield. The same reaction gave dinuclear copper (II) complex [CuII2 (L)2] ((R,S)-2) in 73% isolated yield whenracemic-H2L was used instead of (S)-H2L. Both complexes (S,S)-1 and (R,S)-2 were characterized by elemental analysis, massspectrometry, and X-ray crystallography. The present work highlights the functioning of ligand chirality as a 'switch' for selectiveformation of mono-and dinuclear metal complexes.
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