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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Syntheses and characterization of tetrakis(5-tert-butylpyrazole) Fe(II) and Mn(II) complexes. Molecular structure of Fe(Pz~(t-Bu)_4(OTF)_2
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Syntheses and characterization of tetrakis(5-tert-butylpyrazole) Fe(II) and Mn(II) complexes. Molecular structure of Fe(Pz~(t-Bu)_4(OTF)_2

机译:四(5-叔丁基吡唑)Fe(II)和Mn(II)配合物的合成与表征。 Fe(Pz〜(t-Bu)_4(OTF)_2的分子结构

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摘要

Dichlorotetrakis(5-t-butylpyrazole)iron (1), dichlorotetrakis(5-t-butylpyrazole) manganese (2), and tetrakis(5-t-butylpyrazole) iron(II) bis(trifluoromethanesulfonate) (3) were prepared and characterized. The crystal structure of 3 was determined from X-ray diffraction data. Complex 3 has a distorted octahedral structure with the two triflate ligands at mutually trans positions. Complexes 1 and 2 are mild catalysts for the selective epoxidation of styrene and norbornylene. In comparison. complex 3 is an efficient catalyst for the epoxidation of norbornylene, but promotes the oxidation of styrene predominantly to benzaldehyde.
机译:制备并表征了二氯四(5-叔丁基吡唑)铁(1),二氯四(5-叔丁基吡唑)锰(2)和四(5-叔丁基吡唑)铁(II)双(三氟甲磺酸盐)(3)并对其进行了表征。由X射线衍射数据确定3的晶体结构。配合物3具有扭曲的八面体结构,两个三氟甲磺酸酯配体处于相互反式的位置。配合物1和2是用于苯乙烯和降冰片烯选择性环氧化的温和催化剂。相比下。配合物3是降冰片烯的环氧化的有效催化剂,但主要促进苯乙烯氧化为苯甲醛。

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