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Highly efficient protection of alcohols and phenols catalysed by tin porphyrin supported on MIL‐101
Authors:Farnaz Zadehahmadi  Shahram Tangestaninejad  Majid Moghadam  Valiollah Mirkhani  Iraj Mohammadpoor‐Baltork  Reihaneh Kardanpour
Affiliation:Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan, Iran
Abstract:The catalytic activity of 5,10,15,20‐tetrakis(4‐aminophenyl)porphyrinatotin(IV) trifluoromethanesulfonate, [SnIV(TNH2PP)(OTf)2], supported on chloromethylated MIL‐101, was investigated in the trimethylsilylation of alcohols and phenols with hexamethyldisilazane (HMDS) and also their tetrahydropyranylation with 3,4‐dihydro‐2H‐pyran. Excellent yields, mild reaction conditions, short reaction times and reusability of the catalyst without significant decrease in its initial activity are noteworthy advantages of this supported catalyst. Copyright © 2015 John Wiley & Sons, Ltd.
Keywords:metal–  organic framework  tin(IV) porphyrin  MIL‐101(Cr)  trimethylsilylation  tetrahydropyranylation
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