、
亚磷酸三乙酯 以77%的产率得到2-[diethoxy(oxido)phosphaniumyl]-N-[11,17,23-tris[[2-[diethoxy(oxido)phosphaniumyl]acetyl]amino]-25,26,27,28-tetrapropoxy-5-pentacyclo[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-dodecaenyl]acetamide