三氟甲磺酸酐 、 2-((4aR,4bS,6aS,9aS,9bR)-4a,6a-dimethyl-2,7-dioxo-2,3,4,4a,4b,5,6,6a,7,8,9,9a,9b,10-tetradecahydroindeno[5,4-f]quinolin-1-yl)-N,N-dimethylacetamide 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
以23%的产率得到(4aR,4bS,6aS,9aS,9bR)-1-(2-(dimethylamino)-2-oxoethyl)-4a,6a-dimethyl-2-oxo-2,3,4,4a,4b,5,6,6a,9,9a,9b,10-dodecahydro-1H-indeno[5,4-f]quinolin-7-yl trifluoromethanesulfonate