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Synthesis and Characterization of Symmetrical Trisubstituted Functionalized αCyclodextrin
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LIANG Tao1,2,AI Tingting1,ZHENG Chao1,TU Chunlai1,SHU Mouhai1,2
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(1. School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiaotong University, Shanghai 200240, China;2. State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China)
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Abstract A new symmetrical trisubstituted derivative of αcyclodextrin(α-CD), 6A,6C,6Etri-S-2-pyridyl-2A,2B,2C,2D,2E, 2F,3A,3B,3C,3D,3E,3F,6B,6D,6Fpentadeca-O-methyl-α-cyclodextrin, was synthesized by the reaction of trimesylated derivatives of α-cyclodextrin with 2-mercaptopyridine at the presence of K2CO3 in N,Ndimethylformamide(DMF). The compound was characterized by 1H, 2D COSY, 2D HSQC, dept135° and dept90° 13C NMR spectroscopy and electrospray ionization mass spectroscopy.
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Received: 23 October 2009
Published: 30 November 2010
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