N-benzyl-N-(2-methyl-3-oxocyclopent-1-enyl)pent-4-enamide 以
乙腈 为溶剂,
生成 (3aS,4aR,8aS)-8-Benzyl-3a-methyl-hexahydro-8-aza-cyclopenta[1,4]cyclobuta[1,2]benzene-3,7-dione 、 (3aS,4aS,8aS)-8-Benzyl-3a-methyl-hexahydro-8-aza-cyclopenta[1,4]cyclobuta[1,2]benzene-3,7-dione