柔性多孔骨架中的双步二氧化碳吸附及客体诱导的单晶到单晶转变
Double-step CO2 sorption and guest-induced single-crystal-to-single-crystal transformation in a flexible porous framework.
作者信息
Wu Wei-Ping, Li Zhi-Sen, Liu Bo, Liu Ping, Xi Zheng-Ping, Wang Yao-Yu
机构信息
Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, College of Chemistry & Materials Science, Northwest University, Xi'an 710069, P. R. China.
出版信息
Dalton Trans. 2015 Jun 14;44(22):10141-5. doi: 10.1039/c5dt00460h.
A new 2D highly flexible and breathing porous framework [CuL(Me2NH)]·DMF·H2O () (H3L = 5-(4'-carboxylphenoxy)nicotinic acid) has been synthesized using a tritopic linker with a flexible joint. The desolvated framework, [CuL(Me2NH)] (), undergoes structural contraction, and exhibits selective and double-step hysteretic adsorption for CO2. Furthermore, on exposure to CH2Cl2 at room temperature, a unique single-crystal-to-single-crystal transformation occurred between and [Cu2L2(Me2NH)2(H2O)2]·5H2O ().
利用带有柔性连接体的三齿连接体合成了一种新型二维高柔性且可呼吸的多孔骨架[CuL(Me₂NH)]·DMF·H₂O（）（H₃L = 5-(4'-羧基苯氧基)烟酸）。脱溶剂后的骨架[CuL(Me₂NH)]（）会发生结构收缩，并对CO₂表现出选择性和双步滞后吸附。此外，在室温下暴露于CH₂Cl₂时，（）与[Cu₂L₂(Me₂NH)₂(H₂O)₂]·5H₂O（）之间发生了独特的单晶到单晶转变。
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