5,11,17,23-tetra-tert-butyl-25,27-[bis(ethoxycarbonyl)methoxy]-2,8,14,20-tetrathiacalix[4]arene-monocrown-6 在
四甲基氢氧化铵 作用下,
以
四氢呋喃 、
水 为溶剂,
以94%的产率得到2-[[22,28,34,39-Tetratert-butyl-44-(carboxymethoxy)-3,6,9,12,15,18-hexaoxa-25,31,36,42-tetrathiahexacyclo[18.15.7.126,30.137,41.02,32.019,24]tetratetraconta-1(35),2(32),19(24),20,22,26(44),27,29,33,37,39,41(43)-dodecaen-43-yl]oxy]acetic acid