Table 1.
Association constants Ka (M−1) of 1 binding to different guests in CDCl3 at 298 K determined by 1H NMR titrations.
| guest | TBA[AuCl4] | (TBA)2[PtCl4] | (TBA)2[PdCl4] | TBACl |
| Ka | 265 ± 33 | 189 ± 36 | 198 ± 15 | 90 ± 13 |
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