4-Methyl-3-pyrrolin-2-on-3-essigsaeure 在
sodium hydroxide 作用下,
反应 4.0h,
生成 5,18-Dioxo-23,32,40-triaza-4,19,22-trioxo-27,34,39-trimethyl-28-ethyl-33-<(4-ethyl-3-methyl-3-pyrrolin-2-on-5-yliden)-methyl>-hexacyclo<29.3.2
13,16.2
7,10.1
26,29.1
21,24.0>tetracosa-7,9,13,15,21,24,26,27,31,33,35,37-tridecaen