Reactions of 15-crown-5 and bis-15-crown-5 ethers with metal acetylacetonate ions in the gas phase
Journal Article
·
· Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States)
OSTI ID:6995839
A study was carried out on the ion-molecule reactions of ions arising in the dissociation of ferric, cobaltic, chromic, manganous, neodymium(II), gallium(III), and indium(III) acetylacetonates upon electron impact with 15-crown-5 and bis-15-crown-5. The ratio of the yields of (acac)x-1 /SUP M+L/ ions is determined by the case of reduction of M /SUP x+1+/ to M /SUP x+/ and for (acac)/sub 3/M complexes, this ratio decreases in the series Nd, In, GA > Cr > Fe, Co. The rate constant for the formation of acacCoL/sup +/ ions is greater than for acacFeL/sup +/ ions. The possibility of fixing transition metals in unstable oxidation states by crown ethers is demonstrated in the case of nickel.
- Research Organization:
- A.N. Nesmeyanov Institute of Heteroorganic Compounds, Academy of Sciences, Moscow
- OSTI ID:
- 6995839
- Journal Information:
- Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States), Journal Name: Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States) Vol. 33:11, PT. 2; ISSN BACCA
- 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
ALCOHOLS
CATALYTIC EFFECTS
CHELATING AGENTS
CHEMICAL REACTION KINETICS
CHROMIUM COMPLEXES
COBALT COMPLEXES
COLLISIONS
COMPLEXES
DISSOCIATION
ELECTRON COLLISIONS
ELECTRON-MOLECULE COLLISIONS
ENERGY
GALLIUM COMPLEXES
GLYCOLS
HYDROXY COMPOUNDS
INDIUM COMPLEXES
IONIZATION
IONIZATION POTENTIAL
IRON COMPLEXES
KETONES
KINETICS
MANGANESE COMPLEXES
MOLECULE COLLISIONS
NEODYMIUM COMPLEXES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
POLYETHYLENE GLYCOLS
POLYMERS
RARE EARTH COMPLEXES
REACTION KINETICS
REAGENTS
TRANSITION ELEMENT COMPLEXES
VALENCE
400201* -- Chemical & Physicochemical Properties
ACETYLACETONE
ACTIVATION ENERGY
ALCOHOLS
CATALYTIC EFFECTS
CHELATING AGENTS
CHEMICAL REACTION KINETICS
CHROMIUM COMPLEXES
COBALT COMPLEXES
COLLISIONS
COMPLEXES
DISSOCIATION
ELECTRON COLLISIONS
ELECTRON-MOLECULE COLLISIONS
ENERGY
GALLIUM COMPLEXES
GLYCOLS
HYDROXY COMPOUNDS
INDIUM COMPLEXES
IONIZATION
IONIZATION POTENTIAL
IRON COMPLEXES
KETONES
KINETICS
MANGANESE COMPLEXES
MOLECULE COLLISIONS
NEODYMIUM COMPLEXES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
POLYETHYLENE GLYCOLS
POLYMERS
RARE EARTH COMPLEXES
REACTION KINETICS
REAGENTS
TRANSITION ELEMENT COMPLEXES
VALENCE