title: A Hydrazone-Based Covalent Organic Framework as an Efficient and Reusable Photocatalyst for the Cross-Dehydrogenative Coupling Reaction of N-Aryltetrahydroisoquinolines.
abstract: A hydrazone-based covalent organic framework (COF) was synthesized by condensation of 2,5-dimethoxyterephthalohydrazide with 1,3,5-triformylbenzene under solvothermal conditions. The COF material exhibits excellent porosity with a BET surface area of up to 1501 m2g-1, high crystallinity, and good thermal and chemical stability. Moreover, it showed efficient photocatalytic activity towards cross-dehydrogenative coupling (CDC) reactions between tetrahydroisoquinolines and nucleophiles such as nitromethane, acetone, and phenylethyl ketone. The metal-free catalytic system also offers attractive advantages including simplicity of operation, wide substrate adaptability, ambient reaction conditions, and robust recycling capability of the catalyst, thus providing a promising platform for highly efficient and reusable photocatalysts.
authors.affiliation: College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China.
authors.forename: Wanting
authors.initials: W
authors.lastname: Liu
authors.affiliation: College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China.|State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, 116024, P. R. China.
authors.forename: Qing
authors.initials: Q
authors.lastname: Su
authors.affiliation: College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China.
authors.forename: Pengyao
authors.initials: P
authors.lastname: Ju
authors.affiliation: College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China.
authors.forename: Bixuan
authors.initials: B
authors.lastname: Guo
authors.affiliation: College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China.
authors.forename: Hui
authors.initials: H
authors.lastname: Zhou
authors.affiliation: State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China.
authors.forename: Guanghua
authors.initials: G
authors.lastname: Li
authors.affiliation: College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China.
authors.forename: Qiaolin
authors.initials: Q
authors.lastname: Wu
mesh_terms: D002384:Catalysis; D003432:Cross-Linking Reagents / Q000737:chemistry; D006835:Hydrazones / Q000737:chemistry*; D006865:Hydrogenation; D009930:Organic Chemicals / Q000737:chemistry*; D055668:Photochemical Processes; D016062:Porosity; D013499:Surface Properties; D044005:Tetrahydroisoquinolines / Q000737:chemistry*
chemical_list: D003432:Cross-Linking Reagents; D006835:Hydrazones; D009930:Organic Chemicals; D044005:Tetrahydroisoquinolines
keywords: COFs; cross-dehydrogenative coupling (CDC); metal-free; photocatalysts; tetrahydroisoquinolines