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对称三取代的功能化α-环糊精衍生物的合成与表征

Synthesis and Characterization of Symmetrical Trisubstituted Functionalized α-Cyclodextrin
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摘要 将α-环糊精6-位羟基进行选择性修饰,使之与过量的2-巯基吡啶在N,N-二甲基甲酰胺/碳酸钾体系中反应,合成了一种新的具有C3v对称的α-环糊精分子主体,并用核磁共振谱、电喷雾质谱等方法对其结构进行了表征. A new symmetrical trisubstituted derivative of α-cyclodextrin(α-CD), 6~A,6~C,6~E-tri-S-2-pyridyl-2~A,2~B,2~C,2~D,2~E,2~F,3~A,3~B,3~C,3~D,3~E,3~F,6~B,6~D,6~F-pentadeca-O-methyl-α-cyclodextrin,was synthesized by the reaction of trimesylated derivatives of α-cyclodextrin with 2-mercaptopyridine at the presence of K_2CO_3 in N,N-dimethylformamide(DMF).The compound was characterized by ~1H,2D COSY,2D HSQC,dept-135° and dept-90° ^(13)C NMR spectroscopy and electrospray ionization mass spectroscopy.
出处 《上海交通大学学报》 EI CAS CSCD 北大核心 2010年第11期1615-1618,共4页 Journal of Shanghai Jiaotong University
基金 南京大学配位化学国家重点实验室开放基金资助项目
关键词 Α-环糊精 吡啶 主体分子 核磁共振谱 α-cyclodextrin pyridine receptor nuclear magnetic resonance(NMR) spectra
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