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Iridium(iii) catalyzed trifluoroacetoxylation of aromatic hydrocarbons†
Steven M. Bischof,Brian G. Hashiguchi,Kapil S. Lokare,Niles Gunsalus,Mohammed Yousufuddin,Roy A. Periana
RSC Advances Pub Date : 07/18/2014 00:00:00 , DOI:10.1039/C4RA06251E
Abstract

A tridentate, NNC-tb (where NNC-tb = 2-(pyridin-2-yl)benzo[h]quinoline) ligated IrIII complex (NNC-tb)Ir(Ph)(4-MePy)(TFA), 11 along with analogues are very active for CH activation as evidenced by rapid catalytic H/D exchange between benzene and trifluoroacetic acid – d1 (DTFA). The complexes were examined with a variety of oxidants for the catalytic conversion of benzene to phenyltrifluoroacetate. Herein, the synthesis and characterization of (NNC-tb)Ir complexes is described along with the reactivity of these complexes towards arenes and alkanes.

Graphical abstract: Iridium(iii) catalyzed trifluoroacetoxylation of aromatic hydrocarbons
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