(3S,3aR,4R,4aS,8aR,9aS)-4-[(E)-2-(5-hydroxypyridin-2-yl)ethenyl]-3-methyl-3a,4,4a,5,6,7,8,8a,9,9a-decahydro-3H-benzo[f][2]benzofuran-1-one 、
1-溴-三氟对二甲苯 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
反应 3.0h,
以85%的产率得到(3S,3aR,4R,4aS,8aR,9aS)-3-methyl-4-[(E)-2-[5-[[4-(trifluoromethyl)phenyl]methoxy]pyridin-2-yl]ethenyl]-3a,4,4a,5,6,7,8,8a,9,9a-decahydro-3H-benzo[f][2]benzofuran-1-one