A four-unit [c2]daisy chain connected by hydrogen bonds
2015
Zhang, Qian | Zhang, Chun-Hang | Yang, Jun-Hui | Xin, Peng-Yang | Xuan, Xiao-Peng | Wang, Jian-Ge | Ma, Na-Na | Guo, Hai-Ming | Qu, Gui-Rong
A mono-adenine-functionalized pillar[5]arene and a guest including uracil were prepared. They formed a novel four-unit [c2]daisy chain both in the solid state and in a chloroform solution. As far as we know, this [c2]daisy chain is the first one without a covalently bound linear thread. This unique assembly behavior is mainly induced by hydrogen-bond interactions between A and U in the A–U base pairs.
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