Please use this identifier to cite or link to this item: https://doi.org/10.1039/b710752h
Title: Dinuclear PCP pincer complexes from Lewis acidic [Pd(OTf)(PCP)] and basic [Pd(4-Spy)(PCP)] (OTf = triflate; 4-Spy = 4-pyridinethiolate; PCP = -CH(CH2CH2PPh2)2)
Authors: Neo, K.E.
Huynh, H.V. 
Koh, L.L. 
Henderson, W.
Hor, T.S.A. 
Issue Date: 2007
Citation: Neo, K.E., Huynh, H.V., Koh, L.L., Henderson, W., Hor, T.S.A. (2007). Dinuclear PCP pincer complexes from Lewis acidic [Pd(OTf)(PCP)] and basic [Pd(4-Spy)(PCP)] (OTf = triflate; 4-Spy = 4-pyridinethiolate; PCP = -CH(CH2CH2PPh2)2). Dalton Transactions (48) : 5701-5709. ScholarBank@NUS Repository. https://doi.org/10.1039/b710752h
Abstract: The Lewis acidic pincer with a labile triflate ligand, viz. [Pd(OTf)(PCP)] (PCP = -CH(CH2CH2PPh2)2) 1 was prepared from [PdCl(PCP)] with AgOTf. It reacts readily with neutral bidentate ligands [L = 4,4′-bipyridine (4,4′-bpy) and 1,1′-bis(diphenylphosphino)ferrocene (dppf)] to give dinuclear PCP pincers [{Pd(PCP)}2(μ-L)][OTf]2 (L = 4,4′-bpy, 2; dppf, 3). [PdCl(PCP)] also reacts with 4-mercaptopyridine in the presence of KOH to give a Lewis basic pincer with a free pyridine functional group [Pd(4-Spy)(PCP)] 4. Its metalloligand character is exemplified by the isolation of an asymmetric dinuclear double-pincer complex [{Pd(PCP)}2(μ-4-Spy)][PF 6] 6 bridged by an ambidentate pyridinethiolato ligand. Complexes 1, 2, 3, 4 and 6 have been characterized by single-crystal X-ray diffraction analyses. This journal is © The Royal Society of Chemistry.
Source Title: Dalton Transactions
URI: http://scholarbank.nus.edu.sg/handle/10635/93592
ISSN: 14779226
DOI: 10.1039/b710752h
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