Highly efficient and selective methoxymethylation of alcohols and phenols catalyzed by high-valent tin(IV) porphyrin |
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Authors: | Shadab Gharaati Shahram Tangestaninejad Valiollah Mirkhani Iraj Mohammadpoor-Baltork Farshid Kosari |
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Institution: | Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran |
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Abstract: | An efficient and selective method for methoxymethylation of alcohols and phenols with formaldehyde dimethyl acetal (FDMA) catalyzed by electron deficient tin(IV)tetraphenylporphyrinato trifluoromethanesulfonate, SnIV(TPP)(OTf)2], is reported. A variety of primary, secondary and tertiary alcohols as well as phenols were converted to their corresponding methoxymethyl ethers with FDMA in the presence of a high-valent tin(IV) porphyrin. This catalyst can be used for selective methoxymethylation of primary, secondary and tertiary alcohols in the presence of phenols or tertiary alcohols. The present method offers several advantages such as short reaction times, high yields, simple procedure, selectivity and applicability for both alcohols and phenols. |
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Keywords: | Methoxymethylatiom Alcohol Phenol Tin(IV) porphyrin Formaldehyde dimethyl acetal |
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