In: Chemistry - A European Journal, 2001, vol. 7, no. 12, p. 2595-2604
Grafting of a ferrocene-containing liquid-crystalline malonate derivative to C60 led to the mixed fullerene-ferrocene material 1 which gave rise to a smectic A phase. Cholesterol was used as liquid-crystalline promoter. X-ray diffraction experiments and volumetric measurements indicated that 1 is organized in double layered structures. The corresponding supramolecular...
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In: Inorganic Chemistry Communications, 2007, vol. 10, no. 11, p. 1239-1243
1,1′-Ferrocene dicarboxylic acid pyridin-4-yl ester (1) is prepared from 1,1′-ferrocene dicarbonyl chloride and 4-hydroxypyridine. This new bidentate ferrocenoyl ligand reacts with the monocationic complex [(η6-p-cymene)2Ru2 (μ-OH)3]+ to give the dicationic complex...
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Thèse de doctorat : Université de Neuchâtel, 2008 ; Th. 2065.
The purpose in this research is the development of a molecular photomagnetic switch based on the magnetic properties of four coordinate nickel (II) complexes. A Cambridge structural database search of all [NiCl2(PR3)2] complexes reveals that the four coordinate geometry around nickel correlates with the P–Ni–P bite angle. Indeed, large P–Ni–P bite angles...
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In: Inorganica Chimica Acta, 2004, vol. 357, no. 1, p. 219-224
1,2,4-Trimethyl-cyclohexadiene reacts with RuCl3 • nH2O in refluxing ethanol to afford quantitatively [RuCl2(1,2,4-C6H3Me3)]2 (1), the coordination of 1,2,4-trimethylbenzene to the ruthenium atom introducing planar chirality at the η6-arene ligand. The dinuclear complex 1 reacts with...
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In: Inorganica Chimica Acta, 2007, vol. 360, no. 6, p. 2023-2028
The ferrocenyl-containing diruthenium complexes [Ru2(CO)4(μ2-η2-OOCFc)2L2] (Fc = ferrocenyl, fc = ferrocen-1,1′-diyl; 1: L = NC5H4–COOC6H4–OC10H21, 2: L =...
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In: Helvetica Chimica Acta, 1998, vol. 81, no. 11, p. 2072-2077
The synthesis and liquid-crystalline properties of tetracatenar covalent and H-bonded bis-ferrocene derivatives 1 and 2, respectively, are reported. Both compounds gave rise to enantiotropic columnar liquid-crystalline behavior with a hexagonal molecular organization. To explore the possibility to obtain also calamitic liquid-crystalline phases from H-bonded ferrocene-containing liquid crystals,...
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In: Tetrahedron, 2006, vol. 62, no. 9, p. 2115-2122
First- and second-generation ferrocene-based dendrimers, fullerene and a second-generation liquid-crystalline poly(arylester) dendrimer carrying four cyanobiphenyl units were assembled to elaborate polyfunctional materials displaying mesomorphic and electronic properties. The targeted compounds gave rise to enantiotropic smectic A phases and organized into bilayer structures within the smectic...
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