12-Methoxy-25-oxapentacyclo[12.11.0.02,11.04,9.015,24]pentacosa-1,4,6,8,11,13,15(24)-heptaen-16,22-diyne-3,10-dione 在
1,4-环己二烯 作用下,
以
氘代二甲亚砜 为溶剂,
以75%的产率得到12-methoxy-25-oxahexacyclo[12.11.0.02,11.04,9.015,24.017,22]pentacosa-1,4,6,8,11,13,15(24),16,22-nonaene-3,10-dione