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Поиск по журналу

Журнал структурной химии

2014 год, номер 5

YTTRIUM AND SAMARIUM COMPLEXES WITH A LINKED 1,4,7-TRIAZACYCLONONANE-ARYLOXIDE ANCILLARY LIGAND

J. Cui1,2, I. C. Santos1,3, J. M. Carretas1
1Universidade de Lisboa, 2696-066, Bobadela LRS, Portugal
carretas@ctn.ist.utl.pt
2University of Notre Dame, Notre Dame, USA
3Universidade de Lisboa, Lisboa, Portugal
Ключевые слова: 1,4,7-triazacyclononane (TACN), yttrium, samarium, synthesis, crystal structures
Страницы: 987-991
Подраздел: КРАТКИЕ СООБЩЕНИЯ

Аннотация

The reaction of yttrium trichloride with the stoichiometric amount of the potassium salt of the 1-(3,5-di-tert-butyl-2-hydroxybenzyl)-4,7-diisopropyl-1,4,7-triazacyclononane ligand (iPr2-TACN-CH2C6H2t Bu2OH) (TACN = 1,4,7-triazacyclononane) in DME affords in good yield complex [iPr2-TACN-CH2C6H2t Bu2O]YCl2 (1). This complex is characterized by elemental analysis and 1H nuclear magnetic resonance; the solid state structure is determined by the single crystal X-ray diffraction analysis. In complex 1, the metal centre is six-coordinated by the aryloxide oxygen atom, the three nitrogen atoms of the TACN ligand, and two chlorine atoms. The X-ray structure of isomorphic samarium complex [iPr2-TACN-CH2C6H2t Bu2O]SmCl2 (2) is also determined.