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Reaction of indoles with aromatic fluoromethyl ketones: an efficient synthesis of trifluoromethyl(indolyl)phenylmethanols using K2CO3/n-Bu4PBr in water.


ABSTRACT: A new, mild and efficient protocol for the synthesis of trifluoromethyl(indolyl)phenylmethanols by the reaction of indoles with a variety of aromatic fluoromethyl ketones in the presence of K2CO3 (15 mol %) and n-Bu4PBr (15 mol %) in water. The desired products were obtained in good to excellent yields without requiring a column chromatographic purification. The reusability of the catalytic system and large-scale synthesis of indolyl(phenyl)methanols, which would further transform into biological active indole-derived compounds, are further advantages of this protocol.

SUBMITTER: Pillaiyar T 

PROVIDER: S-EPMC7189012 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Reaction of indoles with aromatic fluoromethyl ketones: an efficient synthesis of trifluoromethyl(indolyl)phenylmethanols using K<sub>2</sub>CO<sub>3</sub>/<i>n-</i>Bu<sub>4</sub>PBr in water.

Pillaiyar Thanigaimalai T   Sedaghati Masoud M   Schnakenburg Gregor G  

Beilstein journal of organic chemistry 20200420


A new, mild and efficient protocol for the synthesis of trifluoromethyl(indolyl)phenylmethanols by the reaction of indoles with a variety of aromatic fluoromethyl ketones in the presence of K<sub>2</sub>CO<sub>3</sub> (15 mol %) and <i>n-</i>Bu<sub>4</sub>PBr (15 mol %) in water. The desired products were obtained in good to excellent yields without requiring a column chromatographic purification. The reusability of the catalytic system and large-scale synthesis of indolyl(phenyl)methanols, whic  ...[more]

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