Halogen bonding and host-guest chemistry between N-alkylammonium resorcinarene halides, diiodoperfluorobutane and neutral guests
Pan, F., Dashti, M., Reynolds, M. R., Rissanen, K., Trant, J. F., & Beyeh, N. K. (2019). Halogen bonding and host-guest chemistry between N-alkylammonium resorcinarene halides, diiodoperfluorobutane and neutral guests. Beilstein Journal of Organic Chemistry, 2019(15), 947-954. https://doi.org/10.3762/bjoc.15.91
Published inBeilstein Journal of Organic Chemistry
© 2019 Pan et al.; licensee Beilstein-Institut.
Single crystal X-ray structures of halogen-bonded assemblies formed between host N-hexylammonium resorcinarene bromide (1) or N-cyclohexylammonium resorcinarene chloride (2), and 1,4-diiodooctafluorobutane and accompanying small solvent guests (methanol, acetonitrile and water) are presented. The guests’ inclusion affects the geometry of the cavity of the receptors 1 and 2, while the divalent halogen bond donor 1,4-diiodooctafluorobutane determines the overall nature of the halogen bond assembly. The crystal lattice of 1 contains two structurally different dimeric assemblies A and B, formally resulting in the mixture of a capsular dimer and a dimeric pseudo-capsule. 1H and 19F NMR analyses supports the existence of these halogen-bonded complexes and enhanced guest inclusion in solution.
PublisherBeilstein : Institut zur Foerderung der Chemischen Wissenschaften
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