SCHEDULED MAINTENANCE
The dimethylamine-mediated ring-opening of a series of N,N-dimethyl-4-oxo-4H-chromene-2-carboxamides to the corresponding (E)-2-(N,N-dimethylamino)-3-(2-hydroxybenzoyl)acrylamides has been monitored by UV spectroscopy, and a mechanistic sequence which accommodates the observed third-order kinetics is presented.
D. N. Davidson and P. T. Kaye, J. Chem. Soc., Perkin Trans. 2, 1991, 1509 DOI: 10.1039/P29910001509
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