Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 9, Issue 4, Pages 355-359Publisher
ELSEVIER
DOI: 10.1016/j.inoche.2006.01.001
Keywords
gold(I) complexes; triphenylphosphine; 2-pyrrolidone-5-carboxylic acid; 5-oxo-2-tetrahydrofurancarboxylic acid; X-ray crystal structure; antimicrobial activities
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Novel gold(I) complexes with hard (O donor) and soft (P donor) Lewis bases, [Au(R,S-Hpyrrld)(PPh3)]1(.)CHCl(3) I (H(2)pyrrid = 2-pyrrolidonc-5-carboxylic acid) and [Au(R,S-othf)(PPh3)]A 2 (Hothf = 5-oxo-2-tetrahydrofurancarboxylic acid), were prepared by the AgCl elimination reaction in CHCl3 between [AuC(PPh3)] and the Ag-O bonding precursors such as [Ag-2(R-Hpyrrld)(S-Hpyrrld)] and [Ag-2(R-othf)(S-othf)]. Molecular structure of I was determined its it discrete monomer of the 2-coordinate AuOP core. In the preparation of I and 2, the use of the Ag-O bonding precursors is crucial. Both complexes 1 and 2 showed selective antimicrobial activities against Gram-positive bacteria and yeasts. (c) 2006 Elsevier B.V. All rights reserved.
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