Y Xiao, X Wu, J Teng, S Sun, JT Yu… - Organic & biomolecular …, 2019 - pubs.rsc.org
Copper-catalyzed direct acylation of the alkenyl C–H bond in 1, 2-dihydro-3H-pyrazol-3-
ones has been developed, affording a series of 4-acylpyrazolones in moderate to good …