Tetrahydropyranylation of alcohols and phenols catalyzed by a new polystyrene-bound tin(IV) porphyrin
2011
Moghadam, Majid | Tangestaninejad, Shahram | Mirkhani, Valiollah | Mohammadpoor-Baltork, Iraj | Gharaati, Shadab
In the present work, tetrahydropyranylation of alcohols and phenols with 3,4-dihydro-2H-pyran (DHP) catalyzed by tetrakis(p-aminophenyl)porphyrinatotin(IV) trifluoromethanesulfonate, [Snᴵⱽ(TNH₂PP)(OTf)₂], supported on chloromethylated polystyrene is reported. The prepared catalyst was characterized by elemental analysis, FT-IR and diffuses reflectance UV–Vis spectroscopic methods. This new heterogenized catalyst was found as efficient and reusable catalyst for tetrahydropyranylation of primary, secondary and tertiary alcohols as well as phenols at room temperature.
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