6-(4-methoxyphenyl)-3,4-dihydronaphthalen-2(1H)-one 、
碳酸二乙酯 以ethyl 6-(4-methoxyphenyl)-2-oxo-1,2,3,4-tetrahydronaphthalene-1-carboxylate was obtained as a yellow oil in 31% yield的产率得到ethyl 6-(4-methoxyphenyl)-2-oxo-1,2,3,4-tetrahydronaphthalene-1-carboxylate