甲基溴化镁 、 (S)-3-Benzoyl-2-tert-butyl-4-[(R)-3-((1R,3aR,4S,7aR)-4-hydroxy-7a-methyl-octahydro-inden-1-yl)-butyl]-oxazolidin-5-one 以80%的产率得到N-[(1S,4R)-1-(1-Hydroxy-1-methyl-ethyl)-4-((1R,3aR,4S,7aR)-4-hydroxy-7a-methyl-octahydro-inden-1-yl)-pentyl]-benzamide