Synthesis and Structure of Tetrachloro4-tert-butyl-2-(diphenylphosphanyl-kP-methyl)phenolato-kOtantalum(V), a Novel Ta~V Complex with a Chelating Aryloxy Phosphane Ligand

Ute Hagenau; Jurgen Heck

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Synthesis and Structure of Tetrachloro4-tert-butyl-2-(diphenylphosphanyl-kP-methyl)phenolato-kOtantalum(V), a Novel Ta~V Complex with a Chelating Aryloxy Phosphane Ligand

机译：四氯4-叔丁基-2-（二苯基膦基-kP-甲基）苯酚-kO钽（V）的合成与结构，这是一种新型Ta~V配合物，具有螯合芳氧基膦配体

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4-tert-Butyl-2-(diphenylphosphanylmethyl)anisol (1) is prepared from 2-chlormethyl-4-tert-butylanisol and potassium diphenylphosphide in very good yields as a novel oxygen-phosphorus compound with potentially hemilabile ligand properties. Compound 1 reacts with tantalum pentachloride under cleavage of methylchloride revealing the complex tetrachloro4-tert-butyl-2-(diphenylphosphanyl-kP-methyl)phenolato-kOtantalum(V) (2) with a distorted octahedrally coordinated tantalum atom and a chelating aryloxy phosphane ligand. Complex 2 crystallizes in the tetragonal, chiral space group P4_12_12 with a = 11.719(5), c = 37.95(5) A, V = 5171(7) A~3, Z = 8, ~(31)P NMR spectroscopic studies of 2 establish the coordination of the phosphane unit to the Ta~V center in solution.

机译：4-叔丁基-2-（二苯基膦酰甲基）苯甲醇（1）由 2-氯甲基-4-叔丁基苯甲醇和二苯基磷化钾以非常好的收率制备，是一种具有潜在半配体性质的新型氧磷化合物。化合物1在氯甲烷裂解下与五氯化钽反应，得到络合的四氯[4-叔丁基-2-（二苯基膦基-kP-甲基）苯酚-kO]钽（V）（2）与扭曲的八面体配位钽原子和螯合芳氧基膦配体。配合物 2 在四方手性空间群 P4_12_12 中结晶，a = 11.719（5），c = 37.95（5） A，V = 5171（7） A~3，Z = 8，~（31）P 2 的 NMR 波谱研究确定了溶液中磷烷单元与 Ta~V 中心的配位。

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来源
《Zeitschrift fur Anorganische und Allgemeine Chemie》 |1999年第12期|2077-2080|共4页
作者
Ute Hagenau; Jurgen Heck;
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作者单位

Hamburg, Institut fur Anorganische und Angewandte Chemie der Universitat;

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原文格式 PDF
正文语种英语
中图分类化学;
关键词
tantalum; structure elucidation; phosphanes; aryloxy ligand; chelates; ~(181)Ta-~(31)P spin-spin coupling;

机译：钽;结构解析;膦烷;芳氧基配体;螯合物;~（181）Ta-~（31）P自旋-自旋耦合;

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Synthesis and Structure of Tetrachloro4-tert-butyl-2-(diphenylphosphanyl-kP-methyl)phenolato-kOtantalum(V), a Novel Ta~V Complex with a Chelating Aryloxy Phosphane Ligand

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