Visible Light Photocatalytic Thiol–Ene Reaction: An Elegant Approach for Fast Polymer Postfunctionalization and Step-Growth Polymerization
作者： Jiangtao Xu , Cyrille Boyer
DOI: 10.1021/MA502460T
关键词: Polymerization 、 Chemistry 、 Alkene 、 Addition reaction 、 Addition polymer 、 Polymer 、 Reaction rate 、 Thiol-ene reaction 、 Step-growth polymerization 、 Photochemistry
摘要: An elegant approach for fast polymer postfunctionalization and step-growth polymerization (via addition reaction) under aerobic condition was developed from visible light photocatalytic thiol–ene “click” reaction, employing Ru(bpy)3Cl2 as photoredox catalyst p-toluidine redox mediator. The nature of the catalysts, thiol substrates, solvents were extensively investigated this reaction with two types alkene polymers: polybutadiene poly(allyl methacrylate)s. use N-methyl-2-pyrrolidone solvent mediator remarkably improved rates limited formation side products. Finally, highly efficient employed synthesis polymers by polymerization.
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