(2S,2'S,3aS,3a'S,6aS,6a'S)-1-di-tert-butyl O'2,O2-((5,5-dioxidodibenzo[b,d]thiophene-3,7-diyl)bis(2-oxoethane-2,1-diyl)) bis(hexahydrocyclopenta[b]pyrrole-1,2(2H)dicarboxylate) 在
ammonium acetate 作用下,
以
1,4-二氧六环 为溶剂,
反应 6.0h,
以40.6%的产率得到(2S,2'S,3aS,3a'S,6aS,6a'S)-di-tert-butyl 2,2'-(5,5'-(5,5'-dioxidodibenzo[b,d]thiophene-3,7-diyl)bis(1H-imidazole-5,2-diyl))bis(hexahydrocyclopenta[b]pyrrole-1(2H)-carboxylate)