Bipyridinium radical cation dimerization-driven polymeric pleated foldamers and a homoduplex that undergo ion-tuned interconversion

Literature Information

Publication Date 2015-05-08
DOI 10.1039/C5PY00419E
Impact Factor 5.582
Authors

Yun-Chang Zhang, Dan-Wei Zhang, Hui Wang, Yaming Zhou, Zhan-Ting Li


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Abstract

Four oligo(ethylene glycol)-linked bipyridinium (BIPY2+) polymers have been prepared via forming hydrazone bonds. Reducing the BIPY2+ units into a radical cation (BIPY˙+) with zinc induces the polymers to fold into pleated states or form a duplex via BIPY˙+ dimerization. The duplex and foldamer can convert into each other by alternately adding NH4+ and NEt3.

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