FIELD: chemistry.
SUBSTANCE: described is method for obtaining luminescent soluble complexes of divalent lanthanides LnCl2·(THF)2, wherein Ln = Eu, Yb, Sm. Method consists in interaction of crystallohydrate of lanthanide trichloride LnCl3·6H2O, wherein Ln = Eu, Yb, Sm, with organoaluminium compound (OAC) of formula R2ALR', wherein R = R' = Me, Et, iso-Bu; R = iso-Bu, R' = H. Reaction is carried out with molar ratio LnCl3·6H2O/OAC = 1/40 in argon atmosphere at 20-25°C and atmospheric pressure in medium of aprotic solvent - tetrahydrofurane. Separation of LnCl2·(THF)2 is performed by removal of solvent by vacuum distillation and precipitation of solid complex by addition of hexane or toluene.
EFFECT: method makes it possible to simplify technological process due to carrying it out by one-stage method under mild conditions with application of available crystallohydrates of lanthanide trichloride in comparison with poorly available metal Ln or waterless LnCl3.
1 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF OBTAINING COMPOUNDS OF DIVALENT LANTHANIDES | 2011 |
|
RU2471710C1 |
| METHOD OF PRODUCING EUROPIUM DICHLORIDE | 2007 |
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| METHOD FOR PRODUCTION OF QUINOLINE ALKYL-DERIVATIVES | 2005 |
|
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| TRIS-DIKETONATE COMPLEXES OF LANTHANIDES WITH PYRIDINE LIGANDS AS LUMINOPHORES AND METHOD OF PRODUCING SAID COMPLEXES | 2011 |
|
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| METHOD OF CATALYTIC TRANSFORMATION OF CYCLIC HYDROCARBONS INTO ACYCLIC (LINEAR) HYDROCARBONS UNDER ACTION OF LANTHANIDES COMPLEXES | 2007 |
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| METHOD OF 2,3,5-TRIALKYLPYRIDINES PRODUCTION | 2007 |
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| METHOD FOR PREPARING 2,3-DIALKYLQUINOLINES | 2006 |
|
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| LUMINESCENT COMPLEX OF LANTHANID AND PRODUCT AND INK, CONTAINING SUCH LUMINESCENT COMPLEX | 2013 |
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| METHOD FOR SYNTHESIS OF 2-PROPYL-3-ETHYLQUINOLINE | 2009 |
|
RU2409567C2 |
