(1S,3aS,4S,5S,7aS)-7a-Methyl-5-((1R,4S)-1-methyl-2-oxo-4-triisopropylsilanyloxy-cyclohexyl)-4-(2-oxo-ethyl)-octahydro-indene-1-carboxylic acid diethylamide 在
lithium tri-t-butoxyaluminum hydride 作用下,
以
四氢呋喃 为溶剂,
以75%的产率得到(1S,3aS,4S,5S,7aS)-4-(2-Hydroxy-ethyl)-7a-methyl-5-((1R,4S)-1-methyl-2-oxo-4-triisopropylsilanyloxy-cyclohexyl)-octahydro-indene-1-carboxylic acid diethylamide