diethyl-phosphinous acid isopropyl ester 、
5,11,17,23-tetrakis(chloromethyl)-25,26,27,28-tetrapropoxycalix[4]arene 以98 %的产率得到5,11,17,23-Tetrakis(diethylphosphorylmethyl)-25,26,27,28-tetrapropoxypentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene