Application of N-(ω-bromoalkyl)tetrazoles for the preparation of bitopic ligands containing pyridylazole chelators or azole rings as building blocks for iron(II) spin crossover polymeric materials
作者:Agata Białońska、Robert Bronisz
DOI:10.1016/j.tet.2008.07.065
日期:2008.10
alkylation were confirmed by X-ray diffraction studies of 1-(5-(2-pyridyl)tetrazol-2-yl)-4-(tetrazol-1-yl)butane, 1-(3-(2-pyridyl)-1,2,4-triazol-1-yl)-4-(tetrazol-2-yl)butane, 1-(3-(2-pyridyl)pyrazol-1-yl)-4-(tetrazol-1-yl)butane, and 1-(tetrazol-1-yl)-4-(1,2,3-triazol-1-yl)butane. Preliminary investigations of magnetic properties of iron(II) complex with 1-(3-(2-pyridyl)-1,2,4-triazol-1-yl)-4-(tetrazol-1-yl)butane
合成了1-(3-溴丙基)四唑,2-(3-溴丙基)四唑,1-(4-溴丁基)四唑和2-(4-溴丁基)四唑,目的是制备含有1-或3-氨基的柔性双位配体通过1,3-丙烯或1,4-丁烯间隔基与吡啶基唑或唑单元连接的2-取代的四唑环。26种新型配体,即α-(吡啶基偶氮基)-ω-(四唑基)烷烃,α-(四唑基)-ω-(1,2,3-三唑基)烷烃和α-(四唑-1-基)-通过将5-(2-吡啶基)四唑,3-(2-吡啶基)-1,2,4-三唑,3-(2-吡啶基)的钠盐烷基化制备ω-(四唑-2-基)烷烃吡唑,1,2,3-三唑和1,2,3,4-四唑与N-(ω-溴烷基)四唑。5-(2-吡啶基)四唑,1,2,3,4-四唑和1,2,3-三唑的烷基化得到N 1-和N2-区域异构体,而在3-(2-吡啶基)-1,2,4-三唑和3-(2-吡啶基)吡唑中仅分离出N 1个异构体。通过1-(5-(2-吡啶基)四唑-2-基)-4-(四唑-1-