四氰基乙烯 、
(4R,4aR,7aS,12bS)-7-ethenyl-9-methoxy-3-methyl-2,4,4a,5,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline 以
四氢呋喃 为溶剂,
以3%的产率得到(1S,2R,10S,18R)-13-methoxy-19-methyl-11-oxa-19-azahexacyclo[10.9.1.01,10.02,18.04,9.016,22]docosa-8,12,14,16(22)-tetraene-5,5,6,6-tetracarbonitrile