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Bronsted acidic ionic liquid: a simple, efficient and recyclable catalyst for regioselective alkylation of phenols and anti-Markovnikov addition of thiols to alkenes
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Bronsted acidic ionic liquid: a simple, efficient and recyclable catalyst for regioselective alkylation of phenols and anti-Markovnikov addition of thiols to alkenes

Ziyauddin S. Qureshi, Krishna M. Deshmukh, Kishor P. Dhake and Bhalchandra M. Bhanage
RSC advances, Vol.1(6), pp.1106-1112
01/01/2011
DOI: https://doi.org/10.1039/c1ra00401h

Abstract

Chemistry Chemistry, Multidisciplinary Physical Sciences Science & Technology
A highly efficient protocol for the alkylation of phenols and anti-Markovnikov addition of thiols with various alkenes has been developed using a Bronsted acidic ionic liquid, N-methyl-2-pyrrolidone hydrogen sulfate [NMP]+HSO4-, under solvent free conditions. The developed methodology offers appreciable advantages with respect to excellent yield, short reaction time and high regioselectivity. The C-C and C-S bond formation has been achieved under metal free conditions.

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