A TiO₂ immobilized Ru(ii) polyazine complex: a visible-light active photoredox catalyst for oxidative cyanation of tertiary amines
2014
Kumar, Pawan | Varma, Sanny | Jain, Suman L.
A chemically functionalized nanocrystalline TiO₂ grafted ruthenium(ii) polyazine complex was found to be an efficient visible light photoredox catalyst for the oxidative cyanation of tertiary amines to the corresponding α-aminonitriles in high to excellent yields, using molecular oxygen as an oxidant and sodium cyanide in acetic acid as a cyanide source. The developed photoredox catalyst could be easily recovered by simple filtration and reused for several runs with consistent catalytic activity.
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