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Catalysts 2017, 7(2), 40; doi:10.3390/catal7020040

Trifluoromethanesulfonic Acid as Acylation Catalyst: Special Feature for C- and/or O-Acylation Reactions

Graduate School of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan
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Academic Editor: Andreas Pfaltz
Received: 6 December 2016 / Revised: 13 January 2017 / Accepted: 18 January 2017 / Published: 28 January 2017

Abstract

Trifluoromethanesulfonic acid (TfOH) is one of the superior catalysts for acylation. The catalytic activity of TfOH in C- and/or O-acylation has broadened the use of various substrates under mild and neat or forced conditions. In this review, the salient catalytic features of TfOH are summarized, and the unique controllability of its catalytic activity in the tendency of C-acylation and/or O-acylation is discussed. View Full-Text
Keywords: trifluoromethanesulfonic acid; triflic acid; Friedel–Crafts acylation; Fries rearrangement; ester condensation; O-acylation; C-acylation trifluoromethanesulfonic acid; triflic acid; Friedel–Crafts acylation; Fries rearrangement; ester condensation; O-acylation; C-acylation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Tachrim, Z.P.; Wang, L.; Murai, Y.; Yoshida, T.; Kurokawa, N.; Ohashi, F.; Hashidoko, Y.; Hashimoto, M. Trifluoromethanesulfonic Acid as Acylation Catalyst: Special Feature for C- and/or O-Acylation Reactions. Catalysts 2017, 7, 40.

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