用于光催化二氟烷基化和氧化环化反应的铂（II）修饰共价有机框架
Pt(II)-Decorated Covalent Organic Framework for Photocatalytic Difluoroalkylation and Oxidative Cyclization Reactions.
作者信息
Almansaf Zainab, Hu Jiyun, Zanca Federica, Shahsavari Hamid R, Kampmeyer Benjamin, Tsuji Miu, Maity Kartik, Lomonte Valerie, Ha Yumi, Mastrorilli Piero, Todisco Stefano, Benamara Mourad, Oktavian Rama, Mirjafari Arsalan, Moghadam Peyman Z, Khosropour Ahmad R, Beyzavi Hudson
机构信息
Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 72701, United States.
Department of Chemical and Biological Engineering, The University of Sheffield, Sheffield S1 3JD, U.K.
出版信息
ACS Appl Mater Interfaces. 2021 Feb 10;13(5):6349-6358. doi: 10.1021/acsami.0c21370. Epub 2021 Jan 26.
Abstract
A new covalent organic framework (COF) based on imine bonds was assembled from 2-(4-formylphenyl)-5-formylpyridine and 1,3,6,8-tetrakis(4-aminophenyl)pyrene, which showed an interesting dual-pore structure with high crystallinity. Postmetallation of the COF with Pt occurred selectively at the N donor (imine and pyridyl) in the larger pores. The metallated COF served as an excellent recyclable heterogeneous photocatalyst for decarboxylative difluoroalkylation and oxidative cyclization reactions.
摘要
一种基于亚胺键的新型共价有机框架（COF）由2-（4-甲酰基苯基）-5-甲酰基吡啶和1,3,6,8-四（4-氨基苯基）芘组装而成，其具有有趣的双孔结构且结晶度高。该COF与铂的后金属化反应选择性地发生在较大孔中的氮供体（亚胺和吡啶基）处。金属化的COF作为一种优异的可回收多相光催化剂，用于脱羧二氟烷基化和氧化环化反应。
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