A Two-Step Approach for Cucurbit[n]uril Compound Separating by Water and Hydrochloric Acid

Chin. J. Org. Chem. ›› 2007, Vol. 27 ›› Issue (07): 880-884. Previous Articles Next Articles

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水-盐酸两步法分离瓜环混合物

毕强*，胡英鹏，杨琴，马彩莲，李东亮

(西安建筑科技大学理学院西安 710055)

收稿日期:2006-07-07 修回日期:1900-01-01 发布日期:2007-06-30
通讯作者: 毕强*

A Two-Step Approach for Cucurbit[n]uril Compound Separating by Water and Hydrochloric Acid

BI Qiang*,HU Ying-Peng,YANG Qin,MA Cai-Lian,LI Dong-Liang

(School of Science, Xi'an University of Architecture and Technology, Xi'an 710055)

Received:2006-07-07 Revised:1900-01-01 Published:2007-06-30
Contact: BI Qiang*

Abstract

This article developed a two-step separating approach of cucurbit[n]uril compound, which was based on the different solubility of cucurbit[n]uril in water and hydrochloric acid. Several factors of separating were deliberated and the optimized separating conditions were fixed. The productivity of CB[5], CB[6], CB[7] and CB[8] is 78.9%, 92.0%, 88.0% and 75.0% respectively. The purity of cucurbit[n]uril is higher than 95% determined by NMR spectra. Especially for CB[5], the detected purity is up to 98%. The results proved the discussed method to be a simple and reliable CB[n] monomers separating process.

Key words: water and hydrochloric acid, separating, two-step approach, nuclear magnetic resonance, cucurbit[n]uril

Cite this article

BI Qiang*,HU Ying-Peng,YANG Qin,MA Cai-Lian,LI Dong-Liang. A Two-Step Approach for Cucurbit[n]uril Compound Separating by Water and Hydrochloric Acid[J]. Chin. J. Org. Chem., 2007, 27(07): 880-884.

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水-盐酸两步法分离瓜环混合物

A Two-Step Approach for Cucurbit[n]uril Compound Separating by Water and Hydrochloric Acid

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