Table 5. Amount of trityl cation formed by chloride abstraction from trityl chloride with Si(catX)2(·2CH3CN), obtained by 1H-NMR signal integration in CD2Cl2, 21 mM.
|
Si(catX)2(·2CH3CN) + Ph3CCl ⇌ [Ph3C][Cl-Si(catX)2] | |
| X = | % of Ph3C+ |
| F | 62 |
| Cl | 60 |
| Br | 83 |
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