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Low- and Mid-Valent Uranium Species Supported by Phenyltris(oxazolinyl)borate Ligands
Organometallics ( IF 2.5 ) Pub Date : 2020-01-07 , DOI: 10.1021/acs.organomet.9b00793 Caleb J. Tatebe 1 , Ellen M. Matson 1 , Christopher L. Clark 1 , John J. Kiernicki 1 , Phillip E. Fanwick 1 , Matthias Zeller 1 , Suzanne C. Bart 1
Organometallics ( IF 2.5 ) Pub Date : 2020-01-07 , DOI: 10.1021/acs.organomet.9b00793 Caleb J. Tatebe 1 , Ellen M. Matson 1 , Christopher L. Clark 1 , John J. Kiernicki 1 , Phillip E. Fanwick 1 , Matthias Zeller 1 , Suzanne C. Bart 1
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The synthesis and characterization of a family of uranium derivatives featuring the phenyltris(4,4-dimethyl-2-oxazolinyl)borate (ToM) ligand framework was achieved. Uranium(IV) halide compounds, specifically ToMUCl3(THF) and ToMUI3, were generated by adding 1 equiv of Tl[ToM] to either UCl4 or UI3(THF)4, respectively. The tetravalent derivatives ToMUCl2(NPh2) and ToMUI(═N-Ad)(THF) were also synthesized, showing that ToM supports uranium amido and imido species. Attempts to make bis(phenyltris(oxazolinyl)borate) compounds were unsuccessful. However, when the smaller hydrotris(pyrazolyl)borate (Tp) ligand was used, a mixed bis(ligand) derivative, TpToMUI, was isolated. All of the compounds were characterized by 1H NMR, infrared, and electronic absorption spectroscopies. Where possible, X-ray crystallography was used to assess structural parameters.
中文翻译：
苯基三（恶唑啉基）硼酸盐配体支持的中低价铀物种
实现了具有苯基三（4,4-二甲基-2-恶唑啉基）硼酸酯（To M）配体骨架的铀衍生物家族的合成和表征。铀（IV）卤化物，具体地涉及中号UCL 3（THF）和中号UI 3，通过添加1个当量铊[为了产生中号]要么UCL 4或UI 3（THF）4分别。四价衍生物中号UCL 2（NPH 2）和中号UI（= N-AD）（THF）还合成，显示出为了中号支持铀酰胺和亚胺物种。制备双（苯基三（恶唑啉基）硼酸酯）化合物的尝试未成功。但是，当使用较小的氢三（吡唑基）硼酸酯（Tp）配体时，会分离出混合的双（配体）衍生物TpTo M UI。所有化合物均通过1 H NMR，红外和电子吸收光谱进行表征。在可能的情况下，使用X射线晶体学评估结构参数。
更新日期：2020-01-07
中文翻译：
苯基三（恶唑啉基）硼酸盐配体支持的中低价铀物种
实现了具有苯基三（4,4-二甲基-2-恶唑啉基）硼酸酯（To M）配体骨架的铀衍生物家族的合成和表征。铀（IV）卤化物，具体地涉及中号UCL 3（THF）和中号UI 3，通过添加1个当量铊[为了产生中号]要么UCL 4或UI 3（THF）4分别。四价衍生物中号UCL 2（NPH 2）和中号UI（= N-AD）（THF）还合成，显示出为了中号支持铀酰胺和亚胺物种。制备双（苯基三（恶唑啉基）硼酸酯）化合物的尝试未成功。但是，当使用较小的氢三（吡唑基）硼酸酯（Tp）配体时，会分离出混合的双（配体）衍生物TpTo M UI。所有化合物均通过1 H NMR，红外和电子吸收光谱进行表征。在可能的情况下，使用X射线晶体学评估结构参数。
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