Table 2. Catalytic reactions of di-p-tolylcarbodiimide with E–H species mediated by complexes 1–3 a .
| |||||
| Entry | Precatalyst | R = (R2EH/REH) | Reaction time (h) | Conv b (%) | Product |
| 1 | 1 | PhNH2 | 24 | 89 | 5be |
| 2 | 2 | 24 | 93 | ||
| 3 | 3 | 6 | >99 | ||
| 4 | 1 | oMeO–PhNH2 | 24 | 91 | 4bf |
| 5 | 2 | 24 | >99 | ||
| 6 | 3 | 24 | 90 | ||
| 7 | 1 | oMe–PhNH2 | 24 | 96 | 4bg |
| 8 | 2 | 24 | >99 | ||
| 9 | 3 | 9 | >99 | ||
| 10 | 1 | pCl–PhNH2 | 24 | 98 | 5bh |
| 11 | 2 | 24 | 94 | ||
| 12 | 3 | 6 | >99 | ||
| 13 | 1 | Ph2PH | 12 | 98 | 4bk |
| 14 | 2 | 24 | 85 | ||
| 15 | 3 | 24 | 83 | ||
| 16 | 1 | BnSH | 6 | >99 | 6bl |
| 17 | 3 | 3 | >99 | ||
aReaction conditions: ∼3.5 μmol precatalyst (1 mol%), 600 μL C6D6, 75 °C.
bDetermined by 1H NMR of the crude reaction mixture.