6,18-Dimethyl-12-methylidene-10,14,28,31,34,37,40,43-octaoxa-3,21-diazapentacyclo[42.3.1.123,27.04,9.015,20]nonatetraconta-1(48),4(9),5,7,15(20),16,18,23(49),24,26,44,46-dodecaene-2,22-dione 反应 5.0h,
以80%的产率得到7,15-Dimethyl-11-methylidene-3,19,26,29,32,35,38,41-octaoxa-48,49-diazaheptacyclo[40.3.1.12,5.117,20.121,25.04,9.013,18]nonatetraconta-1(46),2(49),4(9),5,7,13(18),14,16,20(48),21(47),22,24,42,44-tetradecaene