A-frame-containing organometallic oligomers ...
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| Title | A-frame-containing organometallic oligomers constructed from homo- and heterobimetallic M(μ-dppm)2M' (M/M' = Pd, Pt) building blocks. |
| Author(s) | S. Clement, S. Aly, J. Husson, D. Fortin, C. Strohmann, M. Knorr, L. Guyard, A. Abd-El-Aziz, P. Harvey |
| Journal | Section Title: Inorganic Chemicals and Reactions, European Journal of Inorganic Chemistry |
| Date | 2009 |
| Volume | |
| Issue | 17 |
| Start page | 2536 |
| End page | 2546 |
| Abstract | The homo- and heterodinuclear complexes XM(μ-dppm)2M'X (M,M' = Pd, X = Cl 1a; M,M' = Pd, X = I 1b; M = Pd, M' = Pt, X = Cl 2a; M = Pd, M' = Pt, X = I 2b; M,M' = Pt, X = Cl 3a; M,M' = Pt, X = I 3b) react with the diisocyanide ligand 1,2-bis(2-isocyanophenoxy)ethane (diNC) or the more sol. 1,2-bis(2-isocyano-4-tert-butylphenoxy)ethane (tBudiNC) in a 1:1 ratio to provide the thermally stable polymeric materials 4-9 {[XM(μ-dppm)2M'(μ-CN-C6H3R-2-OCH2CH2O-2-C6H3R-NC)]X}n (M,M' = Pd, R = H, X = Cl 4a, I 4b; R = tBu, X = Cl 7; M,M' = Pt, R = H, X = Cl 5a, I 5b; R = tBu, X = Cl 8; M = Pd, M' = Pt, R = H, X = Cl 6a, I 6b; R = tBu, X = Cl 9). These A-frame-contg. materials have been characterized in soln. or in the solid state by 31P NMR (MAS) spectroscopy, elemental anal., MALDI-TOF, DSC, TGA, IR and T1/NOE [31P NMR spin-lattice relaxation time and nuclear Overhauser enhancement const. (NOE) measurements]. The IR, Raman [ν(CN) bridging vs. terminal] and NMR spectroscopic data reveal an A-frame structure for these new materials. Evidence of an oligomer (including at least two units, detd. by T1/NOE expts.) - polymer equil. in soln. was obtained at room temp. These polymers are luminescent (phosphorescence) at 77 K in soln. and in the solid state, exhibiting broad emission bands in the 500-800 nm range. (© Wiley-VCH Verlag GmbH and Co. KGaA, 69451 Weinheim, Germany, 2009). [on SciFinder(R)] |
| DOI | 10.1002/ejic.200900103 |
Using APA 6th Edition citation style.
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