24-Ethyl-3,16-diselena-24-azapentacyclo[16.2.2.15,9.18,11.110,14]pentacosa-1(21),5(25),6,8,10,12,14(23),18(22),19-nonaene 在
三(二甲胺基)膦 作用下,
以59%的产率得到22-Ethyl-22-azapentacyclo[14.2.2.14,8.17,10.19,13]tricosa-1(19),4(23),5,7,9,11,13(21),16(20),17-nonaene