New generation catalysts
Advanced Catalysts
Nanostructured metal catalysts
Homogeneous catalysis
Heterogeneous catalysis
|
Co (0) – Toluene in toluene solution (Stabilized by 2-butyne) Con microclusters, (n ≤ 10) as evidenced by EPR Active in the cyclococyclization of alkynes and nitriles;it has been proved successful even in hydroformylation reaction. Suitable for the deposition of activated Co particles, ranging 2 – 3 nm in diameter, on C or solid oxide supports. J. Mol. Catal., 56 (1989) 133. Rhodium – Mesitylene in mesitylene solution Rhodium – THF in THF solution (Stabilized by trioctylamine (TOA)) Rhn nanoclusters ranging 0.5 – 1 nm in diameter Active in hydrogenation, hydroformylation and hydrosilylation reactions Excellent precursors for the deposition of activated Rh particles,ranging 1 – 2 nm in diameter, on C or solid oxide supports. J. Organomet. Chem., 487 (1995) 41 ; Sinth. Methods Organomet. and Inorg. Chemistry, Catalysis, Brauer, Herrmann, Vol.10, 64-71 (2002). |
|
Homogeneous CatalystsMetal catalysts presently available
|
|
| Hydrogenation catalysis,Very active and selective New generation catalysts, Metal vapors technology technique,Advanced nanostructured metal powders Catalysts by Small Metal Clusters,Bimetallic catalytic systems, Production of Hetero Nanostructured metals catalysts, Homogeneous Heterogeneous Oxidation Polymerization catalysts |
|
Platinum (0) – Mesitylene in mesitylene solution (Stabilized by vinylsiloxanes) Ptn nanoparticles ranging 0.5 - 1 nm, as evidenced by TOF-MS analysis Excellent catalyst for hydrosilylation reactions Excellent precursors for the deposition of Pt nanoparticles on C or solid oxide supports J. Organomet. Chem., 451 (1993) C4;
J. Mol. Catal., 91 (1994) 83
Rhodium – Mesitylene in mesitylene solution Rhodium – THF in THF solution (Stabilized by trioctylamine (TOA)) Rhn nanoclusters ranging 0.5 – 1 nm in diameter Active in hydrogenation, hydroformylation and hydrosilylation reactions Excellent precursors for the deposition of activated Rh particles,ranging 1 – 2 nm in diameter, on C or solid oxide supports. J. Organomet. Chem., 487 (1995) 41 ; Sinth. Methods Organomet. and Inorg. Chemistry, Catalysis, Brauer, Herrmann, Vol.10, 64-71 (2002). Co (0) – Toluene in toluene solution (Stabilized by 2-butyne) Con microclusters, (n ≤ 10) as evidenced by EPR Active in the cyclococyclization of alkynes and nitriles;it has been proved successful even in hydroformylation reaction. Suitable for the deposition of activated Co particles, ranging 2 – 3 nm in diameter, on C or solid oxide supports. J. Mol. Catal., 56 (1989) 133. Au (0) – Acetone in acetone solution Aun microclusters (n<10) stabilized by acetone; as shown by TOF-MS analyses Active catalysts in oxygenation reactions with molecular oxygen
9Th
FECS Conference, Bordeaux (F), 2004 29 August – 1 September, Abstract p.353
An example of the catalytic activity and selectivity of homogeneous catalysts: Idrosilylation of vinyl compounds with a Pt-mesitylene solution obtained via MVS technique. In analogous conditions a Pt “Karstedt” catalyst does not catalyse the reaction.
|
