Chinese Journal of Organic Chemistry >
Bisurea-Functionalized Macrocycles: Synthesis and Halide Anion-Response
Received date: 2012-09-05
Revised date: 2012-09-27
Online published: 2012-10-11
Supported by
Project supported by the National Natural Science Foundation of China (Nos. 21233011, 21172229, 21002109, 21103210), the National Basic Research Program (No. 2010CB934500) and the Beijing Nova Program.
Oxo-bisurea-functionalized macrocycles, cycle 1, cycle 2, and cycle 3, were synthesized by a stepwise coupling approach. Absorption studies reveal that cycle 2 and cycle 3 can bind with halide anions in a 1:1 stoichiometry with binding constants of 105～108 L·mol-1. 1H NMR titration experiments show that urea groups are the binding sites and play important roles in the binding strength.
Key words： macrocycle; urea; halide anion-responsive; absorption
Zhang Dushan , Chen Jinping , Zeng Yi , Yu Tianjun , Li Yi . Bisurea-Functionalized Macrocycles: Synthesis and Halide Anion-Response[J]. Chinese Journal of Organic Chemistry, 2013 , 33(01) : 110 -115 . DOI: 10.6023/cjoc201209006
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