New calсium β-diketonate complexes: The monomeric complexes [Ca(PhCOCHCOCF3)2(15-crown-5)], [Ca(AdCOCHCOCF3)2(15-crown-5)] and the binuclear hydrated complex [{Ca(adtfa)(18-crown-6)(H2O)}{Ca(adtfa)3(H2O)}(EtOH)]. Synthesis, characterization and crystal structure
作者:Tatjana S. Pochekutova、Vyacheslav K. Khamylov、Georgy K. Fukin、Yury A. Kurskii、Boris I. Petrov、Andrey S. Shavyrin、Alla V. Arapova
DOI:10.1016/j.poly.2011.04.046
日期:2011.8
molecule of crown-ether. Complex 4, as shown by X-ray analyses, is an ion-paired solvated adduct, containing the cation Ca(adtfa)(18-crown-6)(H2O)}+ and the anion Ca(adtfa)3(H2O)}−. The monomeric complexes 1–3 are volatile and thermally stable in the temperature range 100–260 °C. Complex 4 undergoes decomposition above 110 °C with consecutive loss of ethanol, H2O, 18-crown-6 and some evaporization of
摘要具有冠醚[Ca(btfa)2(15-crown-5)](1),[Ca(adtfa)2(15-crown-5)](2 ),[Ca(adtfa)2(15-crown-5)](C6H5CH3)0.5(3)和[Ca(adtfa)(18-crown-6)(H2O)} Ca(adtfa)3(H2O) }(EtOH)](4)(btfa = 1,1,1-三氟-4-苯基-丁二酮-2,4; adtfa = 1,1,1-三氟-4-(1-金刚烷基)丁二酮-2,描述了4; 15-冠-5 = 1,4,7,10,13-五氧杂环十八烷; 18-冠-6 = 1,4,7,10,13,16-六氧杂环十八烷)。配合物1是由金属Ca与2 eq。的反应制得的。Hbtfa和1 eq。甲苯中的15冠-5 配合物2是由金属Ca与2 eq。的反应制得的。Hadtfa和1 eq。15冠5在乙醇中。溶剂化的配合物3是通过冷却2的甲苯