ferrocenylmethylcarbamic acid 4-nitrophenyl ester 、
5,17-diamino-25,26,27,28-tetrakis(propyloxy)calix[4]arene 在
ethyldiisopropylamine 、 4-dimethylaminopyridine 作用下,
以
二氯甲烷 为溶剂,
以68%的产率得到cyclopenta-1,3-diene;1-(cyclopenta-1,4-dien-1-ylmethyl)-3-[17-(cyclopenta-1,4-dien-1-ylmethylcarbamoylamino)-25,26,27,28-tetrapropoxy-5-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9(27),10,12,15(26),16,18,21,23-dodecaenyl]urea;iron(2+)