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Helical Self-Assembly and Photopolymerization Properties of Achiral Amphiphilic Platinum(II) Diacetylene Complexes of Tridentate 2,6-Bis(1-alkylpyrazol-3-yl)pyridines

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posted on 27.06.2016, 13:21 by Yongguang Li, Keith Man-Chung Wong, Hok-Lai Wong, Vivian Wing-Wah Yam
Amphiphilic platinum­(II) diacetylene complexes of the 2,6-bis­(1-butylpyrazol-3-yl)­pyridine pincer ligand were designed and synthesized. Helical fibrous nanostructures were obtained through supramolecular assembly of the achiral platinum­(II) diacetylene complexes via intermolecular hydrogen bonding, amphiphilic effects, Pt···Pt interactions, and π–π stacking interactions. In situ post-photopolymerization of the diacetylene unit was shown to occur in the preorganized helical fibers.