模板和固态辅助组装用于中型分子封装的 M9L6 扩展配位笼

IF 15.6 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of the American Chemical Society Pub Date : 2024-11-18 DOI:10.1021/jacs.4c1450910.1021/jacs.4c14509

Kenta Iizuka, Hiroki Takezawa* and Makoto Fujita*,

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引用次数: 0

摘要

M6L4 笼是由六个钯（II）或铂（II）90 度块和四个三嗪冠三角形配体自组装而成的，具有约 450 Å3 的有效疏水空腔，能够封装一个或多个小分子。在这里，我们以支柱[5]炔为模板，通过 M8L6 前体的自组装，利用相同的成分成功地构建了一个内部体积扩大到 1540 Å3 的 M9L6 笼。这种笼子既保留了 M6L4 笼子的高分子识别能力，又能识别分子量高达 ∼1600 的中等大小客体分子。

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Template and Solid-State-Assisted Assembly of an M9L6 Expanded Coordination Cage for Medium-Sized Molecule Encapsulation

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.

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来源期刊

Journal of the American Chemical Society 化学-化学综合

CiteScore

24.40

自引率

6.00%

发文量

2398

审稿时长

1.6 months

期刊介绍： The flagship journal of the American Chemical Society, known as the Journal of the American Chemical Society (JACS), has been a prestigious publication since its establishment in 1879. It holds a preeminent position in the field of chemistry and related interdisciplinary sciences. JACS is committed to disseminating cutting-edge research papers, covering a wide range of topics, and encompasses approximately 19,000 pages of Articles, Communications, and Perspectives annually. With a weekly publication frequency, JACS plays a vital role in advancing the field of chemistry by providing essential research.