(2s,4s,6s,8s)-2,4,6,8-tetraheptyl-1,3,5,7(1,3)-tetrabenzenacyclooctaphan-14,16,34,36,54,56,74,76-octaol 、
三(二甲胺基)膦 以
苯 为溶剂,
以75%的产率得到25,29,33,37-tetraheptyl-3-N,3-N,9-N,9-N,15-N,15-N,21-N,21-N-octamethyl-2,4,8,10,14,16,20,22-octaoxa-3,9,15,21-tetraphosphanonacyclo[21.15.1.124,38.05,36.07,34.011,32.013,30.017,28.019,26]tetraconta-1(39),5,7(34),11,13(30),17(28),18,23,26,31,35,38(40)-dodecaene-3,9,15,21-tetramine