An Eosin Y Encapsulated Cu(I) Covalent Metal Organic Framework for Efficient Photocatalytic Sonogashira Cross-coupling Reaction
Peiye You , Rongjia Wei , Guohong Ning , Dan Li
Chemical Research in Chinese Universities ›› 2022, Vol. 38 ›› Issue (2) : 415 -420.
An Eosin Y Encapsulated Cu(I) Covalent Metal Organic Framework for Efficient Photocatalytic Sonogashira Cross-coupling Reaction
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.
Covalent-metal organic framework / Eosin Y / Photocatalysis / Sonogashira cross-coupling reaction
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