首页|Pore-Directed Solid-State Selective Photoinduced E-Z Isomerization and Dimerization within Metal-Organic Frameworks

Pore-Directed Solid-State Selective Photoinduced E-Z Isomerization and Dimerization within Metal-Organic Frameworks

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Design and construction of suitable pore microenvir-onments for selective catalytic reactions of small guest molecules is a major goal for chemists.Herein,we report control of competitive E-Z photoisomeri-zation and photodimerization within porous metal-organic frameworks(MOFs)by fine-tuning the pore microenvironments using different dicarboxylate lin-kers.MOFs with small pores((E)-XMOF,and(E)-XMOF1')favor the photoinduced E-Z isomerization of one encapsulated diaryl alkene substrate while those with large pores(((E)-X)2MOF2)prefer the photodi-merization of two encapsulated alkene substrates.Both reactions show broad functional group compat-ibility and proceed stereospecifically in good yields under mild conditions.High local concentration of diaryl alkene ligands and their preorientation within pores facilitate stereoselective dimerization.This pore engineering strategy is applicable to control and create pore microenvironemnts for other photo-induced organic reactions within porous MOFs.

pore engineeringE-Z photoisomeriza-tionphotodimerizationmetal-organic frameworkssolid-state reaction

Shu-Li Chen、Yan Mi、Fei-Long Hu、David James Young、Jianping Lang

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Key Laboratory of Chemistry and Engineering of Forest Products,State Ethnic Affairs Commission,Guangxi Minzu University,Nanning 530006,Guangxi

College of Chemistry,Chemical Engineering and Materials Science,Soochow University,Suzhou 215123,Jiangsu

College of Engineering,IT and Environment,Charles Darwin University,Darwin 0909,Northern Territory

国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金中国博士后科学基金

219610045200208921531006217731632020M670525

2023

10.31635/ccschem.022.202202115

中国化学会会刊(英文)

中国化学会会刊(英文)

CSCD
ISSN：
年,卷(期)：2023.5(5)
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