3-[2-[2-[(3,3-Dimethyl-2,4-dioxatricyclo[7.3.1.05,13]trideca-1(12),5(13),6,8,10-pentaen-8-yl)-hydroxymethyl]-4,6-dimethoxyphenyl]ethyl]-8-methoxynaphthalen-1-ol 在
甲烷磺酸 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以77%的产率得到2-(3,3-Dimethyl-2,4-dioxatricyclo[7.3.1.05,13]trideca-1(12),5(13),6,8,10-pentaen-8-yl)-5,7,17-trimethoxytetracyclo[9.8.0.03,8.013,18]nonadeca-1(11),3(8),4,6,12,14,16,18-octaen-19-ol