calix<4>crown-6 、
25,27-bis(5-p-toluenesulfonyloxy-3-oxapentyl-oxy)calix[4]arene crown-6 在
caesium carbonate 作用下,
以
乙腈 为溶剂,
反应 24.0h,
以20%的产率得到3,6,9,23,26,29,32,35,38,52,55,58,72,75,78,81,84,87-Octadecaoxatridecacyclo[68.28.1.111,40.121,50.160,89.02,95.010,15.017,22.039,44.046,51.059,64.066,71.088,93]dohecta-1(98),2(95),10(15),11,13,17(22),18,20,39,41,43,46,48,50,59,61,63,66,68,70,88(93),89,91,96-tetracosaene