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Citation: LI Guo-Ping, YU Fang-Qin, LIN Jin-He, CHEN Yin-Zhi. Solubility Improvement of Dexamethasone Acetate by Tetramethyl Substituted Cucurbit[6] uril[J]. Chinese Journal of Applied Chemistry, ;2010, 27(5): 563-566. doi: 10.3724/SP.J.1095.2010.90448 shu

Solubility Improvement of Dexamethasone Acetate by Tetramethyl Substituted Cucurbit[6] uril

Department of Chemistry and Environmental Science, Zhangzhou Normal University, Zhangzhou 363000

Received Date: 9 July 2009
Revised Date: 17 October 2009

The solubility improvement of dexamethasone acetate by tetramethyl substituted cucurbit[6]urils(TMeQ[6]) was studied with the micro porous filter membrane separation technique,and the solid inclusion complex of TMeQ[6] and dexamethasone acetate was analyzed with the method of DTA.The results show that TMeQ[6] was able to increase the solubility of dexamethasone acetate,and the solubilization improvement could reach 4~17-fold when the concentration of TMeQ[6] increased from 0.04 to 0.28 mmol/L.While the temperature increased from 10℃ to 70℃,the solubilization decreased in the range of 10~30℃,and then leveled off in the range of 40~70℃.At the same time,the solid inclusion complex of dexamethasone acetate with TMeQ[6] was prepared through cosolvent method,and its host-guest interaction was studied by DTA.
- tetramethyl substituted cucurbit[6]urils,
- dexamethasone acetate,
- solubility improvement,
- inclusion complex
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