苯基或联苯基桥连双环戊二烯基铼羰基化合物的合成、结构及催化性能(英文)
发布时间:2018-10-24 17:01
【摘要】:两个单桥连的双环戊二烯(C_5Me_4H)E(C_5Me_4H)(E=C_6H_4,(C_6H_4)_2)分别与Re_2(CO)_(10)在均三甲苯中加热回流,得到了2个双核配合物(E)[(η~5-C_5Me_4)Re(CO)_3]_2(E=C_6H_4(1),(C_6H_4)_2(2))。通过元素分析、红外光谱、核磁共振氢谱和碳谱对配合物1和2的结构进行了表征,用X射线单晶衍射分析测定了配合物的结构。同时对2个配合物在芳香族化合物Friedel-Crafts酰基化反应中的催化活性进行了研究。
[Abstract]:Two binuclear complexes (E) [(畏 ~ 5-C_5Me_4) Re (CO) _ 3] _ 2 (E=C_6H_4 (1), (C_6H_4) _ 2) (2).) were prepared by refluxing dicyclopentadiene (C_5Me_4H) E (C_5Me_4H) and Re_2 (CO) _ (10) respectively with Re_2 (CO) _ (10). Two binuclear complexes (E) [(畏 ~ 5-C_5Me_4) Re (CO) _ 3] _ 2 (E=C_6H_4 (1), (C_6H_4) _ 2) (2).) were obtained. The structures of complexes 1 and 2 were characterized by elemental analysis, infrared spectroscopy, nuclear magnetic resonance (NMR) and carbon spectroscopy. The structures of the complexes were determined by X-ray single crystal diffraction (XRD). The catalytic activity of two complexes in the Friedel-Crafts acylation of aromatic compounds was also studied.
【作者单位】: 河北师范大学化学与材料科学学院;河北医科大学基础医学院;河北工业职业技术学院;
【基金】:国家自然科学基金(No.21372061) 河北省自然科学基金(No.B2017205006) 河北师范大学重点基金(No.L2017Z02)资助项目
【分类号】:O641.4
[Abstract]:Two binuclear complexes (E) [(畏 ~ 5-C_5Me_4) Re (CO) _ 3] _ 2 (E=C_6H_4 (1), (C_6H_4) _ 2) (2).) were prepared by refluxing dicyclopentadiene (C_5Me_4H) E (C_5Me_4H) and Re_2 (CO) _ (10) respectively with Re_2 (CO) _ (10). Two binuclear complexes (E) [(畏 ~ 5-C_5Me_4) Re (CO) _ 3] _ 2 (E=C_6H_4 (1), (C_6H_4) _ 2) (2).) were obtained. The structures of complexes 1 and 2 were characterized by elemental analysis, infrared spectroscopy, nuclear magnetic resonance (NMR) and carbon spectroscopy. The structures of the complexes were determined by X-ray single crystal diffraction (XRD). The catalytic activity of two complexes in the Friedel-Crafts acylation of aromatic compounds was also studied.
【作者单位】: 河北师范大学化学与材料科学学院;河北医科大学基础医学院;河北工业职业技术学院;
【基金】:国家自然科学基金(No.21372061) 河北省自然科学基金(No.B2017205006) 河北师范大学重点基金(No.L2017Z02)资助项目
【分类号】:O641.4
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