Abstract
A photocatalytic Ru complex was incorporated into a Zr(iv)-based metal-organic framework (MOF) via postsynthetic methods. The resulting UiO-67-Ru(bpy)3 shows efficient and recyclable catalytic activity for the aerobic oxidation of arylboronic acids under near-UV and visible light irradiation.
Highlights
A photocatalytic Ru complex was incorporated into a Zr(IV)-based metal–organic framework (MOF) via postsynthetic methods
Metal–organic frameworks (MOFs) are an emerging class of porous material that have a wide range of applications, such as gas storage/separation,[1,2] biomedicine,[3] chemical sensors,[4] catalysis,[5] and other technologies.[6]
The tunable nature of the organic components in MOFs allows for significant advantages when compared to other porous materials, such as zeolites, which cannot be as readily functionalized
Summary
A photocatalytic Ru complex was incorporated into a Zr(IV)-based metal–organic framework (MOF) via postsynthetic methods. The resulting UiO-67-Ru(bpy)[3] shows efficient and recyclable catalytic activity for the aerobic oxidation of arylboronic acids under near-UV and visible light irradiation. Stephenson and co-workers disclosed a photoredox reductive dehalogenation of activated alkyl halides mediated by Ru(bpy)3.23 Ru(bpy)[3] and Ir(bpy)[3] have been used in aza-Henry reactions,[24] aerobic amine coupling,[25] hydroxylation of arylboronic acids,[26] sulfide oxidation,[27] and radical chemistry.[28] Considering the high cost of these precious metal based photocatalysts, a heterogeneous, reusable system could be of substantial value.
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