Preparation and Radical Oligomerization of anFe(II) Complex without Loss of Spin-Crossover Properties |
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| Authors: | Gerald Schwarzenbacher Marion S Gangl Marian Goriup Martin Winter Matthias Grunert Franz Renz Wolfgang Linert and Robert Saf |
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| Institution: | (1) Department of Environmental Chemistry and Technology, Silesian University, ul. Szkolna 9, 40-006 Katowice, Poland;(2) Centre of Polymer and Carbon Materials, Polish Academy of Sciences, ul. Sowińskiego 5, 44-121 Gliwice, Poland;(3) Institute of Electronics, Silesian Technical University, ul. Akademicka 16, 44-100 Gliwice, Poland; |
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| Abstract: | 11-(4H-1,2,4-Triazol-4-yl)-undecylmethacrylate (1), a new ligand for Fe(II) spin-crossover (SCO) complexes containing a polymerizable group, was synthesized and characterized.
The complex Fe·1
3](BF4)2 (2) was obtained by reaction of 1 with Fe(BF4)2·6H2O (molar ratio 1/Fe(II) = 3/1) in THF. Complex 2 showed a gradual spin-crossover between 80 and 230 K. The methacrylate units in the ligands of complex 2 could be oligomerized radically in solution (initiator: azoisobutyronitrile) without loss of the spin-crossover behaviour. |
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