在
2,4,6-三甲基吡啶 、 lithium iodide 作用下,
反应 11.0h,
以98%的产率得到(4aS,6aR,6aS,6bR,8aR,9R,10R,11S,12aR,14bS)-10-hydroxy-2,2,6a,6b,9,12a-hexamethyl-11-phenylmethoxy-9-(phenylmethoxymethyl)-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylic acid