Convenient preparation and effective separation of the C-2 and C-3 tosylates of α-cyclodextrin |
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| Authors: | Kahee Fujita Satoru Nagamura Taiji Imoto |
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| Institution: | Faculty of Pharmaceutical Sciences, Kyushu University 62 Maidashi, Higashi-ku, Fukuoka 812, Japan. |
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| Abstract: | Secondary tosylates of α-cyclodextrin were conveniently prepared by the reaction of the cyclodextrin with tosyl chloride in alkaline water where pH of the mixture should be allowed to decrease as the proceeding of reaction, and were effectively separated by reversed-phase column chromatography. |
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