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Template and Solid-State-Assisted Assembly of an M9L6 Expanded Coordination Cage for Medium-Sized Molecule Encapsulation
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2024-11-18 , DOI: 10.1021/jacs.4c14509
Kenta Iizuka, Hiroki Takezawa, Makoto Fujita

The M6L4 cage, self-assembling from six Pd(II) or Pt(II) 90-degree blocks and four triazine-cored triangular ligands, has an effective hydrophobic cavity of about 450 Å3 capable of encapsulating one or more small molecules. Here, from the same components, we successfully constructed an M9L6 cage with an internal volume expanded to 1540 Å3 via the self-assembly of an M8L6 precursor using pillar[5]arene as a template. This cage retains the high molecular recognition ability of the M6L4 cage while recognizing medium-sized guest molecules with molecular weights of up to ∼1600.

中文翻译:


用于中型分子封装的 M9L6 扩展配位笼的模板和固态辅助组装



M6L4 笼由六个 Pd(II) 或 Pt(II) 90 度嵌段和四个三嗪芯三角形配体自组装而成,具有约 450 Å3 的有效疏水腔,能够封装一个或多个小分子。在这里,我们使用相同的组件,通过使用支柱[5]芳烃作为模板的 M8L6 前驱体的自组装,成功地构建了一个内部体积扩展到 1540 Å3 的 M9L6 笼。该笼保留了 M6L4 笼的高分子识别能力,同时可识别分子量高达 ∼1600 的中等大小的客体分子。
更新日期:2024-11-18
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