首页|Supramolecular Template-Assisted Catalytic[2+2]Photocycloaddition in Homogeneous Solution

Supramolecular Template-Assisted Catalytic[2+2]Photocycloaddition in Homogeneous Solution

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Supramolecular interactions can help recognize and organize substrates around an enzyme's active sites and subsequently assemble a new molecule in a cer-tain way.Inspired by nature's control of reactions,in this work we designed a template catalyst equipped with ditopic Au(Ⅰ)-N-heterocyclic carbene(NHC)func-tional sites that direct olefin substrates into reactive geometries via collaboration of coordination-driven interactions.Notably,this catalyst enables the realiza-tion of catalytic[2+2]photocycloadditions with as low as 2 mol％catalyst loading in homogeneous solution and the delivery of a series of cyclobutane derivatives with excellent conversions and stereoselectivities.The success of gram-scale reactions further demonstrates the feasibility of this strategy,which lays a solid foun-dation for the large-scale preparation of cyclobutane derivatives in the future.

N-heterocyclic carbenesupramolecular catalysistemplate synthesisphotocycloadditionself-assembly

Fang Wang、Sha Bai、Qing-Wen Zhu、Zi-Hang Wei、Ying-Feng Han

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Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education,Xi'an Key Laboratory of Functional Supramolecular Structure and Materials,College of Chemistry and Materials Science,Northwest University,Xi'an 710127

国家杰出青年科学基金National Youth Topnotch Talent Support Program of ChinaKey Science and Technology Innovation Team of Shaanxi ProvinceKey Science and Technology Innovation Team of Shaanxi ProvinceFM&EM International Joint Laboratory of Northwest University

220251072019TD-0072019JLZ-02

2023

10.31635/ccschem.022.202201919

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(3)
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