Study of inclusion complex of beta-cyclodextrin and nitrobenzene |
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| Authors: | Chen Ming Diao Guowang Zhang Enren |
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| Institution: | College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, People's Republic of China. |
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| Abstract: | beta-cyclodextrin can react with nitrobenzene to form an inclusion complex which is characterized by (1)H NMR and powder X-ray diffractometry. The ratio of beta-CD to NB in inclusion complex is determined as 1:1. At 25 degrees C, the dissociated constant, K(D), of the inclusion complex is measured as 6.5 x 10(-3) M in neutral solution (pH=7.0), but in alkali (pH=13.5), K(D) is 3.2 x 10(-2) M which is much larger than that measured in neutral. |
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