We report herein an unprecedented Cu(II)-catalyzed divergent synthesis of naphthofurans and benzochromanes from 2-naphthols, N, N-dimethylethanolamine, and methylene-3,4-dihydroquinazolin-2(1H)-ones (or methylene-3,4-dihydroquinazolin-2(1H)-thiones) under mild conditions. With methylene-3,4-dihydroquinazolin-2(1H)-ones, naphthofuran products were afforded through...