Noncovalent-Interaction-Assisted Cocrystallization of Indole Derivatives via Crystalline Mate Strategy

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Abstract
We present a crystalline mate strategy for the structure elucidation of hard-to-crystallize indole derivatives through cocrystallization with a strong π-acidic Ag(I) cyclic trinuclear complex (Ag3). This approach enables the successful supramolecular stacking of the low-π-basic indole derivatives with the Ag3 complex by leveraging noncovalent interactions such as hydrogen bonding, highlighting the potential of the crystalline-mate strategy for constructing functional cocrystals.
Funding Information
  • China Postdoctoral Science Foundation (2024M761161)
  • Ministry of Science and Technology of China (2021ZD0303102)
  • National Funded Postdoctoral Researcher Program of China (GZC20240600)
  • Guangdong Major Project of Basic and Applied Research (2019B030302009)
  • National Natural Science Foundation of China (22271120)
  • National Natural Science Foundation of China (22431006)
  • National Natural Science Foundation of China (22475083)
  • National Natural Science Foundation of China (92461309)

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