6,18-Dimethyl-12-methylidene-10,14,27,30,33,36,39,42-octaoxa-3,21-diazapentacyclo[41.2.2.223,26.04,9.015,20]nonatetraconta-1(46),4(9),5,7,15(20),16,18,23,25,43(47),44,48-dodecaene-2,22-dione 反应 5.0h,
以72%的产率得到7,15-Dimethyl-11-methylidene-3,19,25,28,31,34,37,40-octaoxa-48,49-diazaheptacyclo[39.2.2.221,24.12,5.117,20.04,9.013,18]nonatetraconta-1(44),2(49),4(9),5,7,13(18),14,16,20(48),21,23,41(45),42,46-tetradecaene