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Title

Fluorine-Phenanthroimidazole Porous Organic Polymer: Efficient Microwave Synthesis and Photocatalytic Activity

AuthorsMonterde, Cristina; Navarro, Rodrigo; Iglesias, Marta ; Sánchez, Félix
KeywordsHeterogenized catalyst
Aza-Henry
Conjugated polymer
Ruthenium photocatalyst
Porous organic polymer
Phenanthroimidazole
Photocatalysis
Issue Date2019
PublisherAmerican Chemical Society
CitationACS Applied Materials and Interfaces 11: 3459-3465 (2019)
AbstractA porous polymer containing a fluorophenylphenanthroimidazole core was easily prepared via one-pot Suzuki-Miyaura cross-coupling reactions under microwave heating. These new metal-free polymers have demonstrated heterogeneous photocatalytic activity toward aza-Henry reaction with reasonable recyclability. Their preparation require a minimal workup to build porous networks with control over the apparent surface area and pore volume from suitable molecular building blocks containing 2-(1H-phenanthro[9,10-d]imidazol-2-yl)-3,5-difluorophenol (PhIm-2F), as rigid and multitopic node, which afforded a conjugated porous polymer (CPP-PhIm-2F). A series of fluorinated ligands have shown their capability in the preparation of soluble and supported cationic Ru(bpy)(F-phenanthroimidazole) complexes by reaction with Ru(bpy)Cl and demonstrating a beneficial effect of two fluorine atoms on the photocatalytic effect.
Publisher version (URL)http://dx.doi.org/10.1021/acsami.8b18053
URIhttp://hdl.handle.net/10261/176357
Identifiersdoi: 10.1021/acsami.8b18053
issn: 1944-8244
e-issn: 1944-8252
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