Synthesis and Characterization of Single-Side Organically Grafted Anderson-Type Polyoxometalates
Synthesis and Characterization of Single-Side Organically Grafted Anderson-Type Polyoxometalates
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单侧有机接枝Anderson型多金属氧酸盐的合成与表征
DOI：
10.1002/ejic.201301596
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发表时间：
2014-06-01
影响因子：
2.3
通讯作者：
Wu, Lixin
中科院分区：
文献类型：
--
作者：
Ai, Hui;Wang, Yang;Wu, Lixin
以Na-3（H2O）（6）[Al（OH）（6）Mo 6 O 18]中心点2 H（2）O簇合物与RC（CH 2 OH）3配体[R = CH 2 OH，NH 2，CH 2CH 3，NHCH 2COOH，CH 2 OCH 2C（CH 2 OH）（3）]反应，再加入TBA中心点Br {TBA = [N（C4 H9）（4）]（+）}，合成了5种单面有机修饰的Anderson型双铝酸盐.所制备的化合物在每种情况下都具有相同的安德森型结构框架，其中围绕AlIII杂原子的六个羟基中的三个被一个RC（CH 2 OH）（3）基团取代，形成不对称的单侧有机修饰簇。这些化合物证明了对于单铝酸盐的单面的共价有机装饰的最简单的合成。所有化合物均在水溶液中合成，并通过元素分析、热重分析、红外光谱、核磁共振氢谱和单晶X射线衍射进行了表征。此外，还讨论了这些化合物基于氢键的超分子结构。本文报道的方法为Anderson型双铝酸盐的不对称功能化提供了一种通用的方法。
Five single-side organic decorated Anderson-type molybdoaluminates have been synthesized from the reaction of the Na-3(H2O)(6)[Al(OH)(6)Mo6O18]center dot 2H(2)O cluster and RC(CH2OH)3 ligands [R = CH2OH, NH2, CH2CH3, NHCH2COOH, CH2OCH2C(CH2OH)(3)], followed by the addition of TBA center dot Br {TBA = [N(C4H9)(4)](+)}. The prepared compounds possess an identical Anderson-type structural frame in each case, wherein three of the six hydroxy groups surrounding the AlIII heteroatom are substituted by one RC(CH2OH)(3) group, forming asymmetric single-sided organically decorated clusters. The compounds demonstrate the simplest synthesis of covalent organic decoration for the single-sides of molybdoaluminates. All the prepared compounds in the present study were synthesized in aqueous solution and characterized by elemental and TG analysis, IR and 1H NMR spectroscopy, and single-crystal X-ray diffraction analysis. In addition, the supramolecular structures of these compounds based on the hydrogen bonding have also been discussed. The method reported here provides a common approach for the asymmetric functionalization of Anderson-type molybdoaluminates.