[4-[2-[2-[4-(5-Formyl-2-methoxyphenoxy)-3-methoxyphenyl]ethyl]-4-methoxyphenyl]-3-methoxyphenyl]methyl-triphenylphosphanium;bromide 在
sodium methylate 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
生成 5,12,16,24-tetramethoxy-14-oxapentacyclo[20.2.2.210,13.115,19.02,7]nonacosa-1(24),2(7),3,5,10,12,15,17,19(27),20,22,25,28-tridecaene