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Synthetic Approaches to Halogen Bonded Ternary Cocrystals

Jain, H and Sutradhar, D and Roy, S and Desiraju, GR (2021) Synthetic Approaches to Halogen Bonded Ternary Cocrystals. In: Angewandte Chemie - International Edition, 60 (23). pp. 12841-12846.

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Official URL: https://doi.org/10.1002/anie.202103516


Higher cocrystal synthesis depends acutely on a knowledge of supramolecular synthons. We report three synthetic approaches towards ternary halogen bonded cocrystals that illustrate specificity and generality. Electrophilicity/nucleophilicity differences are needed among alternative sites of halogen bond formation. The two halogen bonds Aâ� â� â� B and Bâ� â� â� C in a halogen bonded ternary cocrystal ABC need to be of different strength. Interaction mimicry of hydrogen bonds by halogen bonds is a viable approach towards ternaries as illustrated with the pyrene structure. Finally, the crystal engineer should well be able to anticipate halogen bonds that are stronger than hydrogen bonds. © 2021 Wiley-VCH GmbH

Item Type: Journal Article
Publication: Angewandte Chemie - International Edition
Publisher: John Wiley and Sons Inc
Additional Information: The copyright for this article belongs to John Wiley and Sons Inc
Keywords: Chemical engineering; Chemical reactions; Chemistry, Co-crystals; Electrophilicity; Halogen bonds; Supramolecular synthons; Synthetic approach; Ternary cocrystals, Hydrogen bonds
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 27 Jul 2021 10:45
Last Modified: 27 Jul 2021 10:45
URI: http://eprints.iisc.ac.in/id/eprint/68960

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