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Yan Li and Bin Cheng One-pot synthesis of precise polyisoxazoles by click polymerization: Copper (I)-catalyzed 1,3-dipolar cycloaddition of nitrile oxides with alkynes Journal of Polymer Science Part A: Polymer Chemistry 51

Version of Record online: 12 JAN 2013 | DOI: 10.1002/pola.26537

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In one pot, two-click reactions take place sequentially by adding the reactants step by step. The first click reaction is to produce the monomer for the second click polymerization. The click polymerization differs from the general click polymerization with the reaction of diazide and dialkyne. Nitrile oxides, produced in situ by the first click reaction, are used instead of azides, avoiding the poisonousness and explosiveness. The 3,5-disubstitute polyisoxazoles are produced by the copper(I) catalyzed 1,3-dipolar cycloaddition of nitrile oxides and alkynes with Mw/Mn < 1.2.

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