1,3-Dimethyl-2-oxobenzimidazole-5,6-dicarbonitrile 在
zinc acetate dehydrate 、
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
戊醇 为溶剂,
反应 6.5h,
以88%的产率得到ZINC;7,9,19,21,31,33,43,45-octamethyl-2,7,9,14,19,21,26,31,33,38,43,45,49,51-tetradecaza-50,52-diazanidatridecacyclo[37.9.1.13,13.115,25.127,37.04,12.06,10.016,24.018,22.028,36.030,34.040,48.042,46]dopentaconta-1,3,5,10,12,14,16,18(22),23,25(51),26,28,30(34),35,37,39(49),40,42(46),47-nonadecaene-8,20,32,44-tetrone