Reusability evaluation of the catalytic filter paper 7 using a sequential procedure consisting of three cross-coupling reactions of Sonogashira, Heck, and Suzuki towards the preparation of 10a, 12a, and 14a respectively using one filter papera.
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|---|---|---|---|---|---|---|
| Entry | Sonogashira reaction (10a) | Heck reaction (12a) | Suzuki reaction (14a) | |||
| t (min)/NOF. | Con. (%) | t (min)/NOF. | Con. (%) | t (min)/NOF. | Con. (%) | |
| 1st cycle | 70/5 | 97 | 95/6 | 88 | 70/5 | 96 |
| 2nd cycle | 70/5 | 95 | 95/6 | 86 | 70/5 | 94 |
| 3rd cycle | 70/5 | 91 | 95/6 | 86 | 70/5 | 92 |
| 4th cycle | 70/5 | 89 | 95/6 | 82 | 70/5 | 90 |
a
In all experiments only one filter paper used.