supported by the National Natural Science Foundation of China(Nos20972042 and 21172057);the Opening Foundation of Zhejiang Provincial Top Key Discipline
A Cu(I)-catalyzed one-pot tandem reaction of 2-bromobenzyl bromides with 1,3-dicarbonyl compounds leading to 4H- chromene derivatives has been developed. This new approach toward 4H-chromenes combines several reacti...