Maji, Milan ; Hossain, Mossaraf ; Chatterjee, Madhumita ; Chattopadhyay, Shyamal Kumar ; Puranik, Vedavati G. ; Chakrabarti, Pinak ; Ghosh, Saktiprosad (1999) Synthesis, characterisation and reactivity of trans-[Ru(L)(PPh3)Br2]; L = 2-pyridyl-N-(2'-methylthiophenyl)methyleneimine: crystal structure of trans-[Ru(L)(PPh3)Br2] Polyhedron, 18 (27). pp. 3735-3739. ISSN 0277-5387
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0277-5387(99)00313-7
Abstract
Reaction of Ru(PPh3)2Br2 with the NNS chelating tridentate ligand 2-pyridyl-N-(2'-methylthiophenyl)methyleneimine (L) led to the isolation of the ruthenium(II) complex [Ru(L)(PPh3)Br2]. Reactivity of this complex with different bidentate chelating ligands revealed that the products are quite different from those obtained by reacting Ru(L)(PPh3)Cl2 (the corresponding cis dichloro complex) with the same ligands under comparable conditions. The mixed chelates were isolated and characterised by elemental analysis, magnetic moment measurement and by different spectroscopic methods along with their precursor. Electrochemistry of the complexes was examined by cyclic voltammetry using a platinum working electrode and a Ag/AgCl electrode as reference. The crystal structure of [Ru(L)(PPh3)Br2] disclosed that, unlike Ru(L)(PPh3)Cl2, the two bromo ligands are in trans position and this explained the difference in its reactivity pattern from the corresponding chloro complex.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Ruthenium(II) Complexes; Trans Dibromo Complex; NNS Ligand; Chemical and Electrochemical Studies; X-ray Crystal Structure |
| ID Code: | 89227 |
| Deposited On: | 24 Apr 2012 12:36 |
| Last Modified: | 24 Apr 2012 12:36 |
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