{"title":"Template and Solid-State-Assisted Assembly of an M<sub>9</sub>L<sub>6</sub> Expanded Coordination Cage for Medium-Sized Molecule Encapsulation.","authors":"Kenta Iizuka, Hiroki Takezawa, Makoto Fujita","doi":"10.1021/jacs.4c14509","DOIUrl":null,"url":null,"abstract":"<p><p>The M<sub>6</sub>L<sub>4</sub> 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 Å<sup>3</sup> capable of encapsulating one or more small molecules. Here, from the same components, we successfully constructed an M<sub>9</sub>L<sub>6</sub> cage with an internal volume expanded to 1540 Å<sup>3</sup> via the self-assembly of an M<sub>8</sub>L<sub>6</sub> precursor using pillar[5]arene as a template. This cage retains the high molecular recognition ability of the M<sub>6</sub>L<sub>4</sub> cage while recognizing medium-sized guest molecules with molecular weights of up to ∼1600.</p>","PeriodicalId":49,"journal":{"name":"Journal of the American Chemical Society","volume":null,"pages":null},"PeriodicalIF":14.4000,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the American Chemical Society","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1021/jacs.4c14509","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
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.
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.
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