analysis, FT-IR spectroscopy, thermogravimetric and X-ray diffraction analysis. Crystal structure analysis revealed that these frameworks possess a similar type of two dimensional (2D) structures with a dinuclear Ln2(COO-)2} unit acting as a secondary building block. Topological analysis shows that these frameworks display a 3,6-connected kgd; Shubnikov plane (3.6.3.6)/ dual net. They exhibit excellent
五个同构
镧系元素MOF,[Ln(1κOO',2κO'',3κO''',4κO''''-μ4-L)(
NO3)(
DMF)2] n•n(
DMF)Ln = La3 +(1 ),Ce3 +(2),Nd3 +(3),Sm3 +(4),Dy3 +(5);L = 5- [2- 2,4,6-三氧四氢
嘧啶-5(2H)-亚基}
肼基]间苯二酸酯;在溶剂热条件下,合成了基于
巴比妥酸的二羧基官能化芳基zone的
DMF = N,N'-二甲基甲酰胺}。通过元素分析,FT-IR光谱,热重分析和X射线衍射分析对它们进行了表征。晶体结构分析表明,这些框架具有类似类型的二维(2D)结构,其中双核Ln2(COO-)2}单元充当辅助结构单元。拓扑分析表明,这些框架显示3,6-连接的kgd。舒布尼科夫飞机(3.6.3.6)/双网。它们在无溶剂条件下对醛的
氰基甲
硅烷化反应显示出优异的多相催化活性(化合物2是最活跃的一种)。这些催化