1-benzyl 2-methyl (2S,3aR,8aS)-6-chloro-5-iodo-3a-((triethylsilyl)oxy)-3,3a,8,8a-tetrahydropyrrolo[2,3-b]indole-1,2(2H)-dicarboxylate 、 1-benzyl 2-methyl (2S,3aR,8aS)-6-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3a-((triethylsilyl)oxy)-3,3a,8,8a-tetrahydropyrrolo[2,3-b]indole-1,2(2H)-dicarboxylate 在
四(三苯基膦)钯 、 sodium hydroxide 作用下,
以
水 、
甲苯 为溶剂,
以36%的产率得到1,1'-dibenzyl 2,2'-dimethyl (2S,2'S,3aR,3a'R,8aS,8a'S)-6,6'-dichloro-3a,3a'-bis((triethylsilyl)oxy)-3,3',3a,3a',8,8',8a,8a'-octahydro-5,5'-bipyrrolo[2,3-b]indole-1,1',2,2'(2H,2'H)-tetracarboxylate