Abstract

The Cr+-assisted hydrolytic C−F bond activation in the gas phase reported recently for hexafluoroacetone applies also to other fluorinated carbonyl compounds. C−F bond hydrolysis is observed for monofluoroacetone, 1,1,1-trifluoroacetone, pentafluorobenzaldehyde, and 2,3,4,5,6-pentafluoroacetophenone. However, the diversity of the carbonyl group's substituents is paralleled by an increase of the hitherto small number of reaction channels, thus allowing for alternative ways of C−F bond activation as well. Both complexation and C−F bond activation of the organic substrates in the gas phase have been investigated by means of FT-ICR mass spectrometry.

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