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Beilstein J. Org. Chem. 2019, 15, 947–954, doi:10.3762/bjoc.15.91
Graphical Abstract
Figure 1: Tetravalent XB acceptor, Hex-NARBr 1, Cy-NARCl 2, divalent XB donor DIOFB, and guests MeCN, MeOH an...
Figure 2: The previously reported halogen-bonded complexes CHCl3@1&DIOFB (a), and MeOH@1&DIOFB (b). (c)The fi...
Figure 3: The two dimerization modes in the MeOH-MeCN@1&DIOFB complex. In both modes, the cavities are shown ...
Figure 4: (a) The halogen bonding (blue broken lines), hydrogen bonding (red broken lines) and the host–guest...
Figure 5: 19F NMR in CDCl3 at 298 K of: a) DIOFB (10 mM); b) 1:2 mixture of DIOFB and 1; 1:2:1 mixture of DIO...
Figure 6: 1H NMR in CDCl3 at 298 K of: a) 1 (10 mM), b) 1:2 mixture of 1 and DIOFB, c) 1:2:1 mixture of 1, DI...
Beilstein J. Org. Chem. 2018, 14, 1570–1577, doi:10.3762/bjoc.14.134
Scheme 1: (a) Chemical structures of ZB4 and the guests involved in this research. The counterions are PF6−. ...
Figure 1: X-ray single crystal structure of ZB4 and the host–guest complexes. a) ZB4, b) 2+@ZB4-IV, c) 3+@ZB4...
Figure 2: Parabolic free-energy relationship between log(KR/KH) and Hammett parameter σp. KR: guests 11+–21+; ...
Figure 3: X-ray single crystal structures of 14+@ZB4-III, 16+@ZB4-III, 18+@ZB4-III and 21+@ZB4-III. Butyl gro...
Figure 4: X-ray single crystal structures of 18+@ZB4-III and 18+ in 18+@ZB4-III.
Figure 5: Linear relationships of ΔH with temperature (left, slope = −0.13, R2 = 0.9956) and TΔS (right, slop...