、 2,7-Di-tert-butyl-4,5-diisocyanato-9,9-dimethyl-9H-xanthene 以
二氯甲烷 为溶剂,
反应 8.5h,
以55%的产率得到3,27,35,59-Tetratert-butyl-65,65,66,66-tetramethyl-15,31,47,63-tetraoxa-6,8,22,24,38,40,54,56-octazaundecacyclo[59.3.1.129,33.05,64.09,14.016,21.025,30.032,37.041,46.048,53.057,62]hexahexaconta-1(64),2,4,7,9,11,13,16,18,20,22,25,27,29,32,34,36,39,41,43,45,48,50,52,54,57,59,61-octacosaene-7,23,39,55-tetrol