Determination of PMR of the coordination sites in certain phosphorus-containing ligands (in Russian)
This work is devoted to the investigation by PMR of complex formation of three monovalent polydentate ligands with terminal phosphinylphenyl groups, L/sup I/-L/sub III/, and the phosphoryl-containing crown ether, L/sup IV/, with lithium 2,4-dinitrophenolate, LiDNP, and europium heptafluorodimethyloctanedionate, Eu(fod)/sub 3/, in order to establish the coordination sites in the ligands. In the phosphorus-containing polydentate ligands, complex formation with the lithium ion occurs mainly via the oxygen atoms of the phosphoryl groups. In the case of the phosphorus-containing macrocycle, the ether oxygen atoms also appear to participate in the coordination. On formation of a complex with Eu(fod)/sub 3/, not only the phosphoryl groups but also the central ether oxygen atom of the phosphorus-containing macrocycle or polydentate ligand participate in the coordination.
- Research Organization:
- Institute of Physiologically Active Compounds, Chernogolovka, USSR
- OSTI ID:
- 6416918
- 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. 35:4; ISSN BACCA
- Country of Publication:
- United States
- Language:
- Russian
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Related Subjects
400201* -- Chemical & Physicochemical Properties
ACTIVATION ENERGY
ALCOHOLS
BINDING ENERGY
CHEMICAL SHIFT
COMPLEXES
COMPLEXOMETRY
COORDINATION NUMBER
COORDINATION VALENCES
COUPLING
COUPLING CONSTANTS
ELEMENTS
ENERGY
EUROPIUM COMPLEXES
GLYCOLS
HYDROGEN
HYDROXY COMPOUNDS
INTERMEDIATE COUPLING
J-J COUPLING
LIGANDS
LINE BROADENING
LITHIUM COMPLEXES
MAGNETISM
MULTIPLETS
NMR SPECTRA
NONMETALS
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
ORGANIC POLYMERS
OXYGEN
PARAMAGNETISM
POLYETHYLENE GLYCOLS
POLYMERS
RARE EARTH COMPLEXES
SPECTRA
VALENCE