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Title: Facile multicomponent polymerizations toward unconventional luminescent polymers with readily openable small heterocycles
Authors: Han, Ting
Deng, Haiqin
Qui, Zijie
Zhao, Zheng
Zhang, Haoke
Zou, Hang
Leung, Nelson L.C.
Shan, Guogang
Elsegood, Mark R.J.
Lam, Jacky W.Y.
Tang, Ben Zhong
Issue Date: 2018
Publisher: © American Chemical Society
Citation: HAN, T. ...et al., 2018. Facile multicomponent polymerizations toward unconventional luminescent polymers with readily openable small heterocycles. Journal of the American Chemical Society, 140(16), pp 5588–5598.
Abstract: Heterocyclic polymers have gained enormous attention for their unique functionalities and wide applications. In contrast with the well-studied polymer systems with five- or six-membered heterocycles, functional polymers with readily openable small-ring heterocycles have rarely been explored due to their large synthetic difficulty. Herein, a facile one-pot multicomponent polymerization to such polymers is developed. A series of functional polymers with multisubstituted and heteroatom-rich azetidine frameworks are efficiently generated at room temperature in high atom economy from handy monomers. The four membered azetidine rings in the polymer skeletons can be easily transformed into amide and amidine moieties via a fast and efficient acid-mediated ring-opening reaction, producing brand-new polymeric materials with distinctive properties. All the as prepared azetidine-containing polymers exhibit intrinsic visible luminescence in the solid state under long-wavelength UV irradiation even without conventionally conjugated structures. Such unconventional luminescence is attributed to the clusteroluminogens formed by through-space electronic interactions of heteroatoms and phenyl rings. All the obtained polymers show excellent optical transparency, high and tunable refractive indices, low optical dispersions and good photopatternability, which make them promising materials in various advanced electronic and optoelectronic devices. The ring-opened polymers can also function as a lysosome-specific fluorescent probe in biological imaging.
Description: This paper is in closed access until April 9th 2019.
Sponsor: This work was supported by the National Science Foundation of China (21788102, 21490570 and 21490574), the Research Grants Council of Hong Kong (16308116, 16305014 and 16303815), the Innovation and Technology Commission (ITC-CNERC14SC01) and the Science and Technology Plan of Shenzhen (JCYJ20160229205601482 and JCYJ20140425170011516).
Version: Accepted for publication
DOI: 10.1021/jacs.8b01991
URI: https://dspace.lboro.ac.uk/2134/32941
Publisher Link: https://doi.org/10.1021/jacs.8b01991
Related Resource: https://figshare.com/articles/Facile_Multicomponent_Polymerizations_toward_Unconventional_Luminescent_Polymers_with_Readily_Openable_Small_Heterocycles/6139859
ISSN: 0002-7863
Appears in Collections:Closed Access (Chemistry)

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