Zobrazeno 1 - 10
of 174
pro vyhledávání: '"J.J. Ziółkowski"'
Autor:
Tadeusz Głowiak, Monika Moszner, J.J. Ziółkowski, Giacomo Costa, Maria Kubiak, Claudio Tavagnacco
Publikováno v:
Polyhedron. 16:307-313
The reaction of RhCl 3 ·3H 2 O with Hdamo and PPh 3 (Hdamo = diacetyl monoxime = C 4 H 7 NO), both in the absence ( 1 ) and in the presence of HClO 4 ( 2 ) afforded the complex Rh(damo)(PPh 3 ) 2 Cl 2 . The reaction of the acidic water/ethanolic sol
Publikováno v:
Journal of Chemical Crystallography. 25:837-840
The reaction product of Co(II) chloride and the title ligand L, formulated as CoLCl2·CH3OH, was prepared and characterized by means of structural and spectroscopic measurements. The violet crystals are orthorhombic, (space groupP212121) witha=8.093(
Publikováno v:
Journal of Molecular Catalysis. 88:13-21
The complex Rh (OH) (CO) (PPh3)in homogeneous as well as in γ-Al2O3 supported system was used as catalyst precursor for hex-1-ene and benzene hydrogenation at 80°C and 6.5 atm of H2. The hydride complexes, HRh (CO) (PPh3)3 and HRh (CO) (PPh3), iden
Publikováno v:
Journal of Molecular Catalysis. 80:189-200
The effect of the carboxylic acids RCO 2 H (RC 2 H 5 , C 6 H 5 , m -ClC 6 H 4 , p -NO 2 C 6 H 4 and o -HOC 6 H 4 ) on the hydroformylation of hex-1-ene catalysed by Rh(acac) (CO) (PPh 3 ) ( 1 ) have been studied. The decrease of the rate of hydrof
Publikováno v:
ChemInform. 27
Publikováno v:
Reaction Kinetics and Catalysis Letters. 26:21-24
Uncoordinated phosphine exchanges with that in Rh(AA)(CO)(PPh3) (AA—anthranilate and phenylanthranilate ions, respectively) via an SN2 mechanism.
Autor:
M. Zawadzki, J.J. Ziółkowski
Publikováno v:
Reaction Kinetics and Catalysis Letters. 10:119-123
The active catalytic system containing Co(acac)3 and acetaldehyde in dioxane for the homogeneous oxidation of acrolein to acrylic acid at 40°C and 1–9 atm has been studied.
Publikováno v:
Journal of Molecular Catalysis. 34:337-343
The reactions of Rh(acac)[P(OPh)3]2 with H2, CO and olefins have been investigated using UV-VIS, IR, 1H and 31P NMR techniques. In the presence of H2 and free phosphite, Rh(acac)P2 produces HRhP4, which was shown to catalyse isomerization reactions o
Autor:
J.J. Ziółkowski, Anna M. Trzeciak
Publikováno v:
Journal of Molecular Catalysis. 39:85-92
Different NMR techniques were applied to studies of the elementary interactions and catalyst changes during the oxidation of hydrocarbons. 1H NMR line broadening method was used to determine the nature of metal complex-organic hydroperoxide interacti
Publikováno v:
Journal of Molecular Catalysis. 43:161-170
In the photocatalytic system containing tungsten compounds of the type W(CO)5L (L = CO, py, PPh3, Cl−) and Group IIIb and IVab element halides (AXn), the metathesis of internal and terminal olefins was investigated. The terminal olefin metathesis r