Ramaraj, R. ; Natarajan, P. (1991) Preparation and photochemistry of macromolecular bound ruthenium(II) complexes in aqueous solutions Journal of Polymer Science Part A: Polymer Chemistry, 29 (9). pp. 1339-1346. ISSN 0887-624X
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/pola.19...
Related URL: http://dx.doi.org/10.1002/pola.1991.080290913
Abstract
Ruthenium(II) polypyridyl complexes with macromolecular ligands poly(methylolacrylamide-co-vinylpyridine) and poly (acrylamide-co-vinylpyridine) have been synthesized. The macromolecular ruthenium (II) complexes which are soluble in water have been characterized and their absorption and emission properties have been studied in aqueous solution. Photolysis of the complex in aqueous solution leads to photoaquation reactions with release of coordinated pyridines of the polymer. In the case of monomeric complex, cis-[Ru(bpy)2(py)2]Cl2, photolysis in water in presence of Cl- ions produces only the substitution of the pyridine by water whereas in the polymeric complexes, [Ru(bpy)2(MAAM-co-VP)2]Cl2 photolysis in the presence of chloride produces [Ru(bpy)2(MAAM-co-VP)Cl]Cl and [Ru(bpy)2(AM-co-VP)Cl]Cl, respectively. Quantum yields for the photosubstitution reactions have been determined and mechanistic details are outlined.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons, Inc. |
| ID Code: | 24408 |
| Deposited On: | 29 Nov 2010 08:59 |
| Last Modified: | 18 May 2011 07:43 |
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