The novel photochromic [2]rotaxane based on chromene molecule introduced into a crown-containing macrocyclic receptor was synthesized. The photochemical properties of rotaxane could be modified by the complexation of the crown ether moiety.
                                    合成了基于色烯分子的新型光致变色[2]轮烷,将其引入含有冠的大环受体中。轮烷的光
化学性质可以通过
冠醚部分的络合而改变。