Rapid and efficient protection of alcohols and phenols, and deprotection of trimethylsilyl ethers catalyzed by a cerium-containing polyoxometalate

Herein, we want to report a simple and convenient way for protection‐deprotection of alcohols in the presence of ammonium decatungstocerate(IV) {(NH4)8[CeW10O36]·20H2O} as catalyst under ambient temperature in CH3CN. Using 0.002 mmol of the catalyst, various alcohols and phenols were transformed eas...

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Bibliographic Details
Published in:Applied organometallic chemistry 2011-02, Vol.25 (2), p.83-86
Main Authors: Yadollahi, Bahram, Mirkhani, Valiollah, Tangestaninejad, Shahram, Karimian, Davud
Format: Article
Language:English
Subjects:
Alcohols
Ambient temperature
catalysis
Catalysts
deprotection
Ethers
Hydroxyl compounds
Metalorganic compounds
Parents
Phenols
polyoxometalate
protection
trimethylsilyl ethers
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Summary:Herein, we want to report a simple and convenient way for protection‐deprotection of alcohols in the presence of ammonium decatungstocerate(IV) {(NH4)8[CeW10O36]·20H2O} as catalyst under ambient temperature in CH3CN. Using 0.002 mmol of the catalyst, various alcohols and phenols were transformed easily to the corresponding TMS ethers in excellent yields. In the second part, various TMS ethers were successfully converted to the parent hydroxyl compounds in the presence of the ammonium decatungstocerate(IV) catalyst. Copyright © 2010 John Wiley & Sons, Ltd. Protection and deprotection of alcohols and phenols into TMS ethers were performed using catalytic amounts of ammonium decatungstocerate(IV) {(NH4)8[CeW10O36]·20H2O} at mild reaction conditions in excellent yields.
ISSN:0268-2605
1099-0739
1099-0739
DOI:10.1002/aoc.1715