Sonogashira cross-coupling reaction is significant for the formation of C―C bonds and the creation of new substance in organic synthesis,which is usually catalyzed using noble metal,such as palladium or non-precious ...Sonogashira cross-coupling reaction is significant for the formation of C―C bonds and the creation of new substance in organic synthesis,which is usually catalyzed using noble metal,such as palladium or non-precious metal,such as copper under harsh reaction conditions.Herein,we report the encapsulation of an organic dye(i.e.,Eosin Y,EY)into a Cu(I)cyclic trinuclear unit(CTU)based covalent-metal organic framework(CMOF),namely EY@JNM-1,which demonstrates outstanding photocatalytic performance for the Sonogashira cross-coupling reaction of iodobenzene with alkynes.The EY@JNM-1 not only exhibited high catalytic activity for the alkynes(>99%conversion)and excellent selectivity for the cross-coupling product(>99%)under mild conditions,but also displayed excellent stability and recyclability.展开更多
基金supported by the National Natural Science Foundation of China(Nos.21731002,21975104,21901085)the Guangdong Major Project of Basic and Applied Research,China(No.2019B030302009)+2 种基金the Guangdong Basic and Applied Basic Research Foundation,China(No.2019B151502024)the Guangdong Province Pearl River Scholar Funded Scheme,China(No.2019)the Fundamental Research Funds for the Central Universities,China(No.21619315).
文摘Sonogashira cross-coupling reaction is significant for the formation of C―C bonds and the creation of new substance in organic synthesis,which is usually catalyzed using noble metal,such as palladium or non-precious metal,such as copper under harsh reaction conditions.Herein,we report the encapsulation of an organic dye(i.e.,Eosin Y,EY)into a Cu(I)cyclic trinuclear unit(CTU)based covalent-metal organic framework(CMOF),namely EY@JNM-1,which demonstrates outstanding photocatalytic performance for the Sonogashira cross-coupling reaction of iodobenzene with alkynes.The EY@JNM-1 not only exhibited high catalytic activity for the alkynes(>99%conversion)and excellent selectivity for the cross-coupling product(>99%)under mild conditions,but also displayed excellent stability and recyclability.
