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Cyanurate-Linked Covalent Organic Frameworks Enabled by Dynamic Nucleophilic Aromatic Substitution.
Lei, Zepeng; Wayment, Lacey J; Cahn, Jackson R; Chen, Hongxuan; Huang, Shaofeng; Wang, Xubo; Jin, Yinghua; Sharma, Sandeep; Zhang, Wei.
Affiliation
  • Lei Z; Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States.
  • Wayment LJ; Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States.
  • Cahn JR; Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States.
  • Chen H; Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States.
  • Huang S; Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States.
  • Wang X; Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States.
  • Jin Y; Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States.
  • Sharma S; Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States.
  • Zhang W; Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States.
J Am Chem Soc ; 144(39): 17737-17742, 2022 10 05.
Article in En | MEDLINE | ID: mdl-36165690
ABSTRACT
We report, for the first time, highly crystalline cyanurate-linked covalent organic frameworks synthesized via dynamic nucleophilic aromatic substitution. The high crystallinity is enabled by the bond exchange reaction (self-correction) between 2,4,6-triphenoxy-1,3,5-triazine and diphenols via reversible SNAr catalyzed by triazabicyclodecene. The CN-COFs contain flexible backbones that exhibit a unique AA'-stacking due to interlayer hydrogen bonding interactions. The isoreticular expansion study demonstrates the general applicability of this synthetic method. The resulting CN-COFs exhibited good stability, as well as high CO2/N2 selectivity.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Metal-Organic Frameworks Language: En Journal: J Am Chem Soc Year: 2022 Type: Article Affiliation country: United States
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Metal-Organic Frameworks Language: En Journal: J Am Chem Soc Year: 2022 Type: Article Affiliation country: United States