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Investigation of the reaction of Pd(acac)/sub 2/ x PPh/sub 3/ with molecular hydrogen

Journal Article · · Sov. J. Coordinat. Chem.; (United States)
OSTI ID:7006197
; ; ; ; ;
The reactions of Pd(acac)/sub 2/ x PPh/sub 3/ with hydrogen in dichloroethane at 80/sup 0/C have been studied. It has been discovered that the reduction of Pd(acac)/sub 2/ x PPh/sub 3/ is accompanied by the liberation of 2 moles of acetylacetone and 1 mole of benzene and the formation of palladium complexes with phosphorus-containing ligands. It has been established that the original complex Pd(acac)/sub 2/ x PPh/sub 3/ also interacts with the solvent (dichloroethane) to form the complexes PdCl(acac) x PPh/sub 3/ and PdCl/sub 2/Cl/sub 2/(PPh/sub 3/)/sub 2/ and the trinuclear cluster (Pd/sub 3/(PPh/sub 3/)/sub 3/-(PPh/sub 2/)/sub 2/Cl)/sup +/ x Cl/sup -/. The structure of the intermediates has been established by NMR and IR spectroscopy and by gas-liquid chromatography. A scheme of the interactions between the components of the catalytic system has been proposed on the basis of the data obtained.
Research Organization:
Irkutsk State Univ. (USSR)
OSTI ID:
7006197
Journal Information:
Sov. J. Coordinat. Chem.; (United States), Journal Name: Sov. J. Coordinat. Chem.; (United States) Vol. 13:6; ISSN SJCCD
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ACETYLACETONE
ACTIVATION ENERGY
AROMATICS
BENZENE
CATALYSTS
CATALYTIC EFFECTS
CHELATING AGENTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
CHEMICAL SHIFT
CHLORINATED ALIPHATIC HYDROCARBONS
CHROMATOGRAPHY
COMPLEXES
DMSO
ELEMENTS
ENERGY
HALOGENATED ALIPHATIC HYDROCARBONS
HYDROCARBONS
HYDROGEN
HYDROGENATION
INFRARED SPECTRA
ISOTOPES
KETONES
KINETICS
LIGHT NUCLEI
NMR SPECTRA
NONMETALS
NUCLEI
ODD-EVEN NUCLEI
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PALLADIUM COMPLEXES
PHOSPHORUS 31
PHOSPHORUS ISOTOPES
REACTION KINETICS
REAGENTS
SEPARATION PROCESSES
SOLVENT PROPERTIES
SPECTRA
STABLE ISOTOPES
SULFOXIDES
TRANSITION ELEMENT COMPLEXES
YIELDS