Table 3.
The “in situ” formation of quaternary ammonium-tagged catalysts.
 | |||||
| precursor | R | R1 | catalyst | R2 | R3 |
| 44 |  |
 |
47 |  |
 |
| 45 |  |
H | 48 |  |
H |
| 46 | iPr |  |
49 | iPr |  |
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