Sequence-Specific Self-Assembly of Positive and Negative Monomers with Cucurbit[8]uril Linkers

被引:0
|
作者
机构
[1] Raeisi, Mersad
[2] Kotturi, Kondalarao
[3] Del Valle, Ian
[4] Schulz, Jan
[5] Dornblut, Paulina
[6] Masson, Eric
来源
Masson, Eric (masson@ohio.edu) | 1600年 / American Chemical Society卷 / 140期
关键词
D O I
暂无
中图分类号
学科分类号
摘要
The self-assembly into dynamic oligomers of Cucurbit[8]uril (CB[8]), a positive ditopic Ir(III) bis-terpyridine complex, and a negative ditopic Fe(II) bis-terpyridine complex flanked by four butyrate side chains was assessed to answer a seemingly straightforward question: does CB[8] adopt a social self-sorting pattern by encapsulating both positive and negative units into a heteroternary complex? We showed that this is indeed the case, with CB[8] linking a positive Ir unit to a neighboring negative Fe unit whenever possible. Furthermore, the solubility of the dynamic oligomers was significantly affected by their sequence; upon addition of 0.6-1.2 equiv of positive Ir oligomer to its negative Fe counterpart, the predominant assembly present in solution was a mixed oligomer with a (Fe-Ir-Ir-)n sequence. Weak interactions between the negative butyrate side chains and the partially positive outer wall of CB[7] were also identified by two-dimensional nuclear magnetic resonance techniques, and resulted in a negative pKa shift (0.10 pKa unit) for the terminal carboxylic groups. © 2018 American Chemical Society.
引用
收藏
相关论文
共 50 条
  • [41] Dimension-controllable and photo-responsive supramolecular organic framworks through cucurbit[8]uril-based self-assembly
    Wang, Jie
    Li, You
    Hai, Zi-juan
    Yan, Yang-yang
    Hua, Zan
    Wang, Zhong-kai
    Yang, Guang
    CHINESE JOURNAL OF CHEMICAL PHYSICS, 2022, 35 (05) : 774 - 782
  • [42] Hybrid Macrocyclic Polymers: Self-Assembly Containing Cucurbit[m]uril-pillar[n]arene
    Liu, Zhaona
    Li, Zhizheng
    Li, Bing
    Zhou, Le
    Zhang, Huacheng
    Han, Jie
    POLYMERS, 2022, 14 (09)
  • [43] Photocatalytic degradation of methyl orange via supramolecular self-assembly of cucurbit[6]uril and phosphotungstic acid
    Xianyan Ao
    Liling Zeng
    Chengcheng Song
    Manli Xu
    Yunqian Zhang
    Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2024, 104 : 39 - 49
  • [44] Photocatalytic degradation of methyl orange via supramolecular self-assembly of cucurbit[6]uril and phosphotungstic acid
    Ao, Xianyan
    Zeng, Liling
    Song, Chengcheng
    Xu, Manli
    Zhang, Yunqian
    JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY, 2024, 104 (1-2) : 39 - 49
  • [45] Amphiphilic Acyclic Cucurbit[n]uril: Synthesis, Self-Assembly, and Chemotherapeutic Delivery to Overcome Multidrug Resistance
    Zhao, Zizhen
    Ma, Danying
    Wang, Shuyi
    Zhou, Wei
    Zhang, Dan-Wei
    Li, Zhan-Ting
    Ma, Da
    MOLECULAR PHARMACEUTICS, 2025,
  • [46] Protein-mimetic peptide nanofibers: Motif design, self-assembly synthesis, and sequence-specific biomedical applications
    Zhang, Wensi
    Yu, Xiaoqing
    Li, Yang
    Su, Zhiqiang
    Jandt, Klaus D.
    Wei, Gang
    PROGRESS IN POLYMER SCIENCE, 2018, 80 : 94 - 124
  • [47] Aqueous Polymer Self-Assembly Based on Cucurbit[n]uril-Mediated Host-Guest Interactions
    Liu, Ji
    Tan, Cindy Soo Yun
    Lan, Yang
    Scherman, Oren A.
    MACROMOLECULAR CHEMISTRY AND PHYSICS, 2016, 217 (03) : 319 - 332
  • [48] Self-assembly of cucurbit[7]uril on the surface of graphene/gold modified electrode: A novel electrochemical sensing platform
    Lv, Yajie
    Tao, Cheng-An
    Huang, Jian
    Li, Yujiao
    Wang, Fang
    Cai, Fenglian
    Wang, Jianfang
    NANOMATERIALS AND NANOTECHNOLOGY, 2022, 12
  • [49] Fate of Host-Stabilized Charge Transfer Complexation Based on Cucurbit[8]uril: Inducing Cyclization of PNIPAM and Dissociation in Self-Assembly of the Cyclic Polymer
    Ji, Zhongwei
    Li, Junfang
    Chen, Guosong
    Jiang, Ming
    ACS MACRO LETTERS, 2016, 5 (05): : 588 - 592
  • [50] The crystal structure, self-assembly, DNA-binding and cleavage studies of the [2]pseudorotaxane composed of cucurbit[6]uril
    Huo, Fang-Jun
    Yin, Cai-Xia
    Yang, Pin
    BIOORGANIC & MEDICINAL CHEMISTRY LETTERS, 2007, 17 (04) : 932 - 936