Trifluoromethanesulfonic acid catalyzed Friedel–Crafts acylation of aromatics with β-lactams

Add time:07/30/2019    Source:sciencedirect.com

N-Protected and unprotected 2-azetidinones, protolytically activated by superacidic trifluoromethanesulfonic acid, react with aromatic compounds to give β-amino aromatic ketones in good to excellent yields (65–98%). Non-benzenoid aromatics (pyrrole and ferrocene) produced good yield (64–89%) of the corresponding ketones.

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