N-苯基马来酰亚胺 、
Dimethyl 1,3,3a,5,7,8a-hexahydrocyclopenta[f][2]benzofuran-6,6-dicarboxylate 以
1,2-二氯乙烷 为溶剂,
反应 18.0h,
以75%的产率得到dimethyl (1R,2S,6R,7S,8S,12R)-9,11-dioxo-10-phenyl-4-oxa-10-azapentacyclo[5.5.5.02,6.08,12.013,17]heptadec-13(17)-ene-15,15-dicarboxylate