作者:André Foucaud、Nourdine Brine
DOI:10.1080/00397919408010605
日期:1994.11
Methyl 3-aryl-3-hydroxy-2-methylene propionates react with phenols, 2-naphtol, 1,4-dihydroxybenzene, 2,3-dihydroxynaphtalene and 2,7-dihydroxynaphtalene in the presence of silica gel-supported ZnBr2 or FeCl3 to give 3-arylidene-3,4-dihydro coumarins or 3-methylene-3,4-dihydrocoumarins.