Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26830
Title: Metal-directed stereoselective syntheses of homochiral complexes of exo-bidentate binaphthol derivatives
Authors: Wang, R
Xu, L
Ji, J
Shi, Q
Li, Y
Zhou, Z
Hong, M
Chan, ASC
Keywords: Cadmium
N ligands
Palladium
Silver
Zinc
Issue Date: 2005
Publisher: Wiley-VCH
Source: European journal of inorganic chemistry, 2005, v. , no. 4, p. 751-758 How to cite?
Journal: European journal of inorganic chemistry 
Abstract: The homochiral exo-bidentate ligands (S)-2,2′- bis(pyridylmethyleneoxy)-1,1′-binaphthyl [(S)-L] and (R)-2,2′- bis(pyridylmethyleneoxy)-1,1′-binaphthyl [(R)-L] were synthesized and employed for the preparation of coordination complexes with the aim of investigating the effect of an axially chiral 1,1′-binaphthyl connector on self-assembly process. Five homochiral complexes, [Ag{(S)-L}(ClO 4)]n (1), [Ag{(R)-L}(ClO4)]n (2), [{Cd{(S)-L}(H2O)Cl2}(H2O)0.5] n (3), [(Zn{(S)-L}Cl2)(DMF)0.5(H 2O)0.5]n (4), and [(Pd2{(S)-L} 2Cl4)(H2O)1.5]n (5), have been prepared and characterized by single-crystal X-ray diffraction analyses. The enantiomeric complexes 1 and 2 are isomorphous and are formed through interconnection of ligands and two-coordinate AgI centers. Complex 3 possesses a similar structural framework to 1 and is formed with two nitrogen atoms from (S)-L coordinating to six-coordinate CdII in a trans mode. The interlocking in part of the adjacent, one-dimensional helix-like chains stabilizes its structure. Complex 4 is a one-dimensional zigzag chain and is formed through interconnection of (S)-L and ZnCl2 units. The exo-bidentate (S)-L ligand in 5 links square-planar PdII into a homochiral dinuclear metallomacrocycle.
URI: http://hdl.handle.net/10397/26830
ISSN: 1434-1948
EISSN: 1099-0682
DOI: 10.1002/ejic.200400659
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