6(R)-[2-[8(S)-{4-(2-hydroxy-ethylcarbamoyl)-2,2-dimethyl-butyryloxy}-2(S),6(R)-dimethyl-1,2,6,7,8,8a(R)-hexahydronaphthyl-1(S)]ethyl]-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one 、
吲哚美辛 在
4-二甲氨基吡啶 、 C
13H
17N
2Pol 作用下,
以
四氢呋喃 为溶剂,
反应 0.08h,
以9%的产率得到6(R)-[2-[8(S)-{4-(2-{2-[1-(4-chloro-benzoyl)-5-methoxy-2-methyl-1H-indol-3-yl]-acetoxy}-ethylcarbamoyl)-2,2-dimethyl-butyryloxy}-2(S),6(R)-dimethyl-1,2,6,7,8,8a(R)-hexahydronaphthyl-1(S)]ethyl]-4(R)-hydroxy-3,4,5.6-tetrahydro-2H-pyran-2-one