Citation: Xiao Qi ZHENG, Yong Hui WANG, Qing Xiang GUO, Li YANG, You Cheng LIU. A Large Conformational Change of a Bridged β-Cyclodextrin Dimer in Aqueous Solution[J]. Chinese Chemical Letters, ;2003, 14(8): 848-851. shu

A Large Conformational Change of a Bridged β-Cyclodextrin Dimer in Aqueous Solution

1.
Department of Chemistry, University of Science and Technology of China, Hefei 230026;
2.
National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000

Received Date: 8 October 2002

Fund Project: This work was supported by the National Natural Science Foundation of China (Grant No.29972038).

A novel bridged β-CD dimer in which two β-cyclodextrins were linked by a naphthalene at positions 2 and 7 has been synthesized.¹H and ¹³CNMR measurements showed that a large change in the conformation of the dimer occurred in aqueous solution. The dimer interacted with methyl and ethyl orange to form stable inclusion complexes via "induced fit" mechanism.
- Cyclodextrin dimer,
- ethyl orange,
- enzyme mimic,
- induced fit
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