Room-temperature cyclometallation of amines, imines and oxazolines with [MCl2Cp*]2 (M = Rh, Ir) and [RuCl2(p-cymene)]2

Davies, D.L., Al-Duaij, O., Fawcett, J., Giardiello, M., Hilton, S.T. and Russell, D.R. (2003) Room-temperature cyclometallation of amines, imines and oxazolines with [MCl2Cp*]2 (M = Rh, Ir) and [RuCl2(p-cymene)]2. Dalton Transactions (21). pp. 4132-4138. 10.1039/B303737A.

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DOI: 10.1039/B303737A

Abstract

N,N-Dimethylbenzylamine, alkyl and aryl imines derived from benzaldehyde, and 2-phenyl-4,4-dimethyloxazoline all undergo cyclometallation with [IrCl2Cp*]2 (Cp* = η-C5Me5) when treated with NaOAc in dichloromethane at room temperature. The imines are also cyclometallated by [RhCl2Cp*]2 under the same conditions whilst only N-alkyl imines are cyclometallated by [RuCl2(p-cymene)]2. The role of acetate in the cyclometallation is more than just as a base. X-Ray structures of cyclometallated complexes [MCl{C6H4-2-C(H)=NCH2CH2OMe-κC ,N}(η-ring)] (M = Ir, Rh ring = Cp* M = Ru, ring = p-cymene), [MCl{C6H4-2-C(H)=NCH2CH2OMe-κC ,N}Cp*](M = Ir, Rh). [RuCl(η2-O2CMe)(p-cymene)] and [IrCl2(NH2Ph)Cp*] are reported.

Item Type:Article
Additional Information:Based on the presentation given at Dalton Discussion No. 6, 9?11th September 2003, University of York, UK.Electronic supplementary information (ESI) available: Characterisation and crystallographic data for [IrCl2(NH2Ph)Cp*] (6), and Figures showing the structures of 3b, 5b and 6. See http://www.rsc.org/suppdata/dt/b3/b303737a/
Departments, units and centres:Department of Pharmaceutical and Biological Chemistry > Department of Pharmaceutical and Biological Chemistry
ID Code:3079
Journal or Publication Title:Dalton Transactions
Deposited By:Library Staff
Deposited On:20 Apr 2012 09:48
Last Modified:20 Apr 2012 09:48

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