dimethyl 11,18-dimethoxytetracyclo[15.3.1.18,12.02,7]docosa-1(21),2(7),4,8(22),9,11,17,19-octaene-4,5-dicarboxylate 在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
苯 为溶剂,
以97%的产率得到Dimethyl 11,18-dimethoxytetracyclo[15.3.1.18,12.02,7]docosa-1(21),2,4,6,8(22),9,11,17,19-nonaene-4,5-dicarboxylate