Oxorhenium(V)- and tricarbonylrhenium(I) complexes with substituted pyrazoles as products of the degradation of hydrotrispyrazolylborates

Kuckmann TI; Abram U

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Oxorhenium(V)- and tricarbonylrhenium(I) complexes with substituted pyrazoles as products of the degradation of hydrotrispyrazolylborates

机译：氧化or（V）-和三羰基hen（I）与取代的吡唑的配合物，是氢三吡唑基硼酸酯降解的产物

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Hydrotris(3,5-dimethylpyrazol-l-yl)borate and hydrotris(3 -phenylpyrazol-l-yl)bo rate decompose during reactions with [ReOCl3(PPh3)(2)] and [NEt4](2)[Re(CO)(3)Br-3], respectively. The generated pyrazole ligands form complexes with the rhenium(V) oxo and the rhenium(i) tricarbonyl cores.X-ray crystal structures of the oxo-bridged dimer [Cl(PPh3)(O)Re(mu-O)(mu-Me(2)pz)(2)Re(O)(HMe(2)pz)Cl] (1) and [Re(CO)(3)(HPhpz)(2)(Phpz)] (2) (HMe(2)pz = 3,5-dimethylpyrazole, HPhpz = 3-phenyl-pyrazole) show that the substituted pyrazoles can readily deprotonate and act as monodentate or bridging anionic ligands. Re-N bond lengths between 2.09 and 2.14 Angstrom have been observed for the bridging and between 2.12 and 2.23 Angstrom for the terminal pyrazole ligands.

机译：与[ReOCl3（PPh3）（2）]和[NEt4]（2）[Re（CO）的反应期间，氢三（3,5-二甲基吡唑-1-基）硼酸酯和氢三（3-苯基吡唑-1-基）bo速率分解）（3）Br-3]。生成的吡唑配体与the（V）氧代和tri（i）三羰基核形成配合物。氧代桥联二聚体[Cl（PPh3）（O）Re（mu-O）（mu- Me（2）pz）（2）Re（O）（HMe（2）pz）Cl]（1）和[Re（CO）（3）（HPhpz）（2）（Phpz）]（2）（HMe（ 2）pz ＝ 3，5-二甲基吡唑，HPhpz ＝ 3-苯基吡唑）表明取代的吡唑可以容易地去质子化并充当单齿或桥接阴离子配体。对于桥接而言，Re-N键长度在2.09至2.14埃之间，对于末端吡唑配体而言，在2.12至2.23埃之间。

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《Zeitschrift fur Anorganische und Allgemeine Chemie》 |2004年第6期|共3页
作者
Kuckmann TI; Abram U;
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正文语种 eng
中图分类化学;
关键词
rhenium; pyrazoles; oxo complexes; carbonyl complexes; crystal structure; COMPLEXES; COORDINATION; DEBORONATION; CHEMISTRY; LIGANDS; BOND;

机译：吡唑类;氧杂配合物;羰基配合物;晶体结构;配合物;配位;脱硼;化学;配体;键合;

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1. Oxorhenium(V)- and tricarbonylrhenium(I) complexes with substituted pyrazoles as products of the degradation of hydrotrispyrazolylborates [J] . Kuckmann TI, Abram U Zeitschrift fur Anorganische und Allgemeine Chemie . 2004,第6期

机译：氧化or（V）-和三羰基hen（I）与取代的吡唑的配合物，是氢三吡唑基硼酸酯降解的产物
2. Pyrazole complexes as anion receptors: Effects of changing the metal, the pyrazole substitution pattern, and the number of pyrazole ligands [J] . Nieto S, Perez J, Riera L, Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 2007,第8期

机译：吡唑配合物作为阴离子受体：改变金属，吡唑取代方式和吡唑配体数量的影响
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4. Experimental determination of energy transfer in Eu(III) complexes, based on pyrazole substituted 1,3-diketones [C] . E A Varaksina, S A Ambrozevich, N P Datskevich International Symposium on Fundamental Aspects of Rare-earth Elements Mining and Separation and Modern Materials Engineering . 2016

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Oxorhenium(V)- and tricarbonylrhenium(I) complexes with substituted pyrazoles as products of the degradation of hydrotrispyrazolylborates

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