Influence of the Pd-based compound nature on the conversion of NBD and the selectivity of exo-product formation in the hydrosilylation of NBD by PMDSa.
| Catalyst | Temperature, °C | Conversion, % | Selectivity, % |
|---|---|---|---|
| (AllPdCl)2/R-MOP | 30 | 0 | — |
| 45 | 10 | 92 | |
| 60 | 55 | 86 | |
| 75 | 86 | 76 | |
| Pd(OAc)2/R-MOP | 30 | 0 | — |
| 45 | 24 | 87 | |
| 60 | 60 | 84 | |
| 75 | 70 | 74 |
NBD/silane molar ratio was 1/1.1; Pd/R-MOP molar ratio was 1/2; Pd-loading was 0.1 mol%; C(NBD) = 2.5 M; the reaction time was 24 h.