(2E)-1-(4-甲氧基苯基)-3-(3,4,5-三甲氧基苯基)-2-丙烯-1-酮 、
4-methyl-7-methoxy-8-coumarinoylmethylpyridinium bromide 在
ammonium acetate in glacial acetic acid 作用下,
以42%的产率得到7-methoxy-8-[6-(4-methoxyphenyl)-4-(3,4,5-trimethoxyphenyl)pyridin-2-yl]-4-methylchromen-2-one