(2E,4E)-N-[3-[[(2E,4E)-hexa-2,4-dienoyl]amino]-2,2-dimethylpropyl]hexa-2,4-dienamide 、
1,6-bis(3,5-dioxo-1,2,4-triazoline4-yl)hexane 以
二氯甲烷 为溶剂,
以53%的产率得到(2R,5R,13R,16R)-2,9,9,16-tetramethyl-1,7,11,17,18,20,27,29-octazapentacyclo[25.2.1.117,20.05,29.013,18]hentriaconta-3,14-diene-6,12,19,28,30,31-hexone