%0 Generic %A Li, Qing %A Qiu, Sheng-Chao %A Zhang, Jing %A Chen, Kai %A Huang, Ying %A Xiao, Xin %A Zhang, Yingjie %A Li, Feng %A Zhang, Yun-Qian %A Xue, Sai-Feng %A Zhu, Qian-Jiang %A Tao, Zhu %A Lindoy, Leonard F. %A Wei, Gang %D 2016 %T Twisted Cucurbit[n]urils %U https://acs.figshare.com/articles/dataset/Twisted_Cucurbit_i_n_i_urils/3545426 %R 10.1021/acs.orglett.6b01842.s003 %2 https://acs.figshare.com/ndownloader/files/5610053 %K Twisted Cucurbit %K uril %K cavity %K complex %K NMR studies %K cucurbit %K NMR spectroscopy %K H 2 O %K Cd 0.5 %K side cavities %X Two new twisted cucurbiturils, cucurbit[13]­uril (tQ­[13]) and cucurbit[15]­uril (tQ­[15]), have been synthesized and separated, and their structures have been confirmed by NMR spectroscopy and MALDI-TOF mass spectrometry together with the X-ray structures of two new complexes, {Dy­(H2O)4Cd­(H2O)4tQ­[13]}·2.5­[CdCl4]·65H2O and {Cd0.5(H2O)2tQ­[15]}·[CdCl4]·47H2O. tQ­[15] is the largest cucurbit­[n]­uril (Q­[n]) in the Q­[n] family reported to date. The X-ray diffraction studies of both complexes indicated that these large tQ­[n]­s effectively exhibit two different cavities–a central cavity and two side cavities. Preliminary host–guest behavior by each of the new systems was investigated by NMR studies. %I ACS Publications