参考文献:10.1021/jo0614341 摘要:Zeng X, Batsanov AS, Bryce MR. Calix[6]arene derivatives selectively functionalized at alternate sites on the smaller rim with 2-phenylpyridine and 2-fluorenylpyridine substituents to provide deep cavities. J Org Chem. 2006 Dec 22;71(26):9589–94. doi: 10.1021/jo0614341.