Please use this identifier to cite or link to this item: https://doi.org/10.1039/b823028e
Title: Isolation of cationic digold-frame with free carboxylic acid pendants
Authors: Teo, P.
Wang, J.
Koh, L.L. 
Hor, T.S.A. 
Issue Date: 2009
Citation: Teo, P., Wang, J., Koh, L.L., Hor, T.S.A. (2009). Isolation of cationic digold-frame with free carboxylic acid pendants. Dalton Transactions (25) : 5009-5014. ScholarBank@NUS Repository. https://doi.org/10.1039/b823028e
Abstract: Use of different diphosphines enables the isolation and crystallographic characterization of gold pyridylcarboxylate complexes with different structural motifs. Dppm [bis(diphenylphosphino)methane] supports side-by-side-like complexes [Au2(dppm)(IsonicH)2]2+ (isonicH = 4-NC5H4CO2H) with aurophilic and π⋯π interactions of the pyridyl rings. Use of dppen [1,2-bis(diphenylphosphino)ethylene] removes the latter interaction but keeps the orthogonal closed-shell interaction of Au(I) in [Au2(dppen) (IsonicH)2]2+. The ligand dppe [1,2-bis(diphenylphosphino) ethane] helps to push the gold centers apart in [Au2(dppe)(isonicH) 2]2+ and remove both interactions. These digold complexes are potential metalloligands that carry functional acids which can be conveniently activated by deprotonation. © The Royal Society of Chemistry 2009.
Source Title: Dalton Transactions
URI: http://scholarbank.nus.edu.sg/handle/10635/94118
ISSN: 14779226
DOI: 10.1039/b823028e
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