2-pentyl-5,6-dicyanobenzimidazole 在
lithium 作用下,
以
戊醇 为溶剂,
反应 5.0h,
以10%的产率得到8,20,32,44-Tetrapentyl-2,7,9,14,19,21,26,31,33,38,43,45,49,50,51,52-hexadecazatridecacyclo[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-1,3,5,7,10,12,14,16,18(22),20,23,25(51),26,28,30(34),32,35,37(50),39(49),40,42(46),43,47-tricosaene