6,18-Dimethyl-12-methylidene-10,14,29,32,35,38,41,44-octaoxa-3,21-diazapentacyclo[43.4.0.04,9.015,20.023,28]nonatetraconta-1(49),4(9),5,7,15(20),16,18,23,25,27,45,47-dodecaene-2,22-dione 反应 48.0h,
以16%的产率得到35,43-Dimethyl-39-methylidene-8,11,14,17,20,23,31,47-octaoxa-48,49-diazaheptacyclo[43.2.1.130,33.02,7.024,29.032,37.041,46]nonatetraconta-1(48),2,4,6,24,26,28,30(49),32(37),33,35,41(46),42,44-tetradecaene