6,18-Dimethyl-12-methylidene-10,14,29,32,35,38-hexaoxa-3,21-diazapentacyclo[37.4.0.04,9.015,20.023,28]tritetraconta-1(43),4(9),5,7,15(20),16,18,23,25,27,39,41-dodecaene-2,22-dione 反应 48.0h,
以20%的产率得到29,37-Dimethyl-33-methylidene-8,11,14,17,25,41-hexaoxa-42,43-diazaheptacyclo[37.2.1.124,27.02,7.018,23.026,31.035,40]tritetraconta-1(42),2,4,6,18,20,22,24(43),26(31),27,29,35(40),36,38-tetradecaene