The 1,3-distally selective functionalization of calix[4]arenes with benzylicbromides at the lower rim in excellent ytelds is described. The calix[4]arenes withdendritic fragnents obtalned exist in cone conformation.
文摘The 1,3-distally selective functionalization of calix[4]arenes with benzylicbromides at the lower rim in excellent ytelds is described. The calix[4]arenes withdendritic fragnents obtalned exist in cone conformation.