Tetrameric and Dimeric [N∙∙∙I+∙∙∙N] Halogen-Bonded Supramolecular Cages
Turunen, L., Peuronen, A., Forsblom, S., Kalenius, E., Lahtinen, M., & Rissanen, K. (2017). Tetrameric and Dimeric [N∙∙∙I+∙∙∙N] Halogen-Bonded Supramolecular Cages. Chemistry: A European Journal, 23(48), 11714-11718. https://doi.org/10.1002/chem.201702655
Published inChemistry: A European Journal
© 2017 Wiley-VCH Verlag GmbH &Co. This is a final draft version of an article whose final and definitive form has been published by Wiley-VCH. Published in this repository with the kind permission of the publisher.
Tripodal N‐donor ligands are used to form halogen‐bonded assemblies via structurally analogous Ag+‐complexes. Selective formation of discrete tetrameric I6L4 and dimeric I3L2 halonium cages, wherein multiple [N⋅⋅⋅I+⋅⋅⋅N] halogen bonds are used in concert, can be achieved by using sterically rigidified cationic tris(1‐methyl‐1‐azonia‐4‐azabicyclo[2.2.2]octane)‐mesitylene ligand, L1(PF6)3, and flexible ligand 1,3,5‐tris(imidazole‐1‐ylmethyl)‐2,4,6‐trimethylbenzene, L2, respectively. The iodonium cages, I6L14(PF6)18 and I3L22(PF6)3, were obtained through the [N⋅⋅⋅Ag+⋅⋅⋅N]→ [N⋅⋅⋅I+⋅⋅⋅N] cation exchange reaction between the corresponding Ag6L14(PF6)18 and Ag3L22(PF6)3 coordination cages, prepared as intermediates, and I2. The synthesized metallo‐ and halonium cages were studied in solution by NMR, in gas phase by ESI‐MS and in the solid‐state by single crystal X‐ray diffraction.
PublisherWiley - VCH Verlag GmbH & Co. KGaA
Publication in research information system
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Related funder(s)Academy of Finland
Funding program(s)Research post as Academy Professor, AoF; Research costs of Academy Professor, AoF; Academy Project, AoF; Research post as Academy Research Fellow, AoF; Research costs of Academy Research Fellow, AoF
Additional information about fundingThe authors kindly acknowledge the Academy of Finland (K.R.: Nos. 263256, 265328, 292746; E.K.: Nos. 284562 and 278743; M.L.: No. 277250).
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