Type: Article
Biomimetic epoxidation of alkenes with sodium periodate catalyzed by tetraphenylporphyrinatomanganese(III) chloride supported on multiwall carbon nanotubes
Journal: Transition Metal Chemistry (1572901X)Year: February 2012Volume: 37Issue: Pages: 45 - 53
Zakeri M.Moghadam M.aMohammadpoor Baltork I.aTangestaninejad S.aMirkhani V.a Khosropour A.R.Alizadeh M.
DOI:10.1007/s11243-011-9555-2Language: English
Abstract
The biomimetic epoxidation of alkenes catalyzed by tetraphenylporphyrinatomanganese(III) chloride, [Mn(TPP)Cl], immobilized on multiwall carbon nanotubes modified with 4-aminopyridine and 4-aminophenol is reported. These heterogenized catalysts were used as efficient and reusable catalysts for epoxidation of a variety of cyclic and linear alkenes with sodium periodate under mild conditions. The catalysts, [Mn(TPP)Cl@amine-MWCNT], were characterized by physico-chemical and spectroscopic methods. The effect of ultrasonic irradiation on these catalytic systems was also investigated. The catalysts were reused several times without loss of their activity. © Springer Science+Business Media B.V. 2011.