首页|Unveiling inverse vulcanized polymers as metal-free,visible-light-driven photocatalysts for cross-coupling reactions
Unveiling inverse vulcanized polymers as metal-free,visible-light-driven photocatalysts for cross-coupling reactions
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Inverse vulcanized polymers(IVPs)that generated from elemental sulfur and smaller amounts of alkenes have found broad promising applications such as cathode materials for Li-S batteries,dynamic and re-pairable materials,optics applications,and metal sorption.However,their exploration in organic synthe-sis is still unprecedented.Here we first report the application of inverse vulcanized polymers in catal-ysis for organic transformations.A biomass-derived inverse vulcanized polymer(IVP-EAE)is found to be capable of catalyzing cross-coupling reactions in a transition-metal-free fashion under visible light.This method allows the direct C-H functionalization of pyrroles and N-arylacrylamides with(hetero)aryl halides,respectively,leading to the formation of two sets of structurally important scaffolds including pyrrole-containing biaryls and 3,3'-disubstituted oxindoles with high selectivity.We anticipate this study will not only unveil the new potential of IVPs,but also offer a distinct type of catalysts for organic trans-formations.
Lang Gao、Cen Zhou、Rui Wang、Feng Lan、Bohang An、Xiaozhou Huang、Xiao Zhang
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Fujian Key Laboratory of Polymer Science,Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering,College of Chemistry and Materials Science,Fujian Normal University,Fuzhou 350007,China
Fujian Engineering and Research Center of New Chinese Lacquer Materials,College of Materials and Chemical Engineering,Minjiang University,Fuzhou 350108,China
国家自然科学基金国家自然科学基金福建省自然科学基金福建省自然科学基金Top-Notch Young Talents Program of ChinaScience and Technology Project of Minjiang University
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