Lutetium acetylacetonate is a coordination compound with the chemical formula Lu(C5H7O2)3, or Lu(acac)3 for short. The complex per se is unlikely to exist, but the dihydrate would be expected based on the behavior of other lanthanide tris(acetylacetonate)s. Consistent with this scenario, It forms adducts Lu(acac)3(phen) and Lu(acac)3(dipy) where phen and bipy are 1,10-phenanthroline and 2,2'-bipyridine, respectively.
The complex is somewhat volatile.Trembovetskii, G. V.; Martynenko, L. I.; Murav'eva, I. A.; Spitsyn, V. I. Synthesis and study of volatile rare earth acetylacetonates. Doklady Akademii Nauk SSSR, 1984. 277 (6): 1411-1414. . It can be prepared by the reaction of trialkoxylutetium and acetylacetone.Gavrilenko, V. V.; Chekulaeva, L. A.; Savitskaya, I. A.; Garbuzova, I. A. Synthesis of yttrium, lanthanum, neodymium, praseodymium and lutetium alkoxides and acetylacetonates. Izvestiya Akademi Nauk, Seriya Khimicheskaya, 1992. 11: 2490-2493. .
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