Table 2.
Synthesis of pyrroles under WGSR conditions.[a]
|
Entry |
TEA, mol % |
CO [bar] |
notes |
Conv. [%][b] |
19 [%][b] |
|---|---|---|---|---|---|
|
1 |
0 |
5 |
– |
30 |
30 |
|
2 |
5 |
5 |
– |
95 |
89 |
|
3 |
10 |
5 |
– |
100 |
93 |
|
4 |
10 |
0 |
– |
0 |
0 |
|
5 |
0 |
5 |
No H2O |
1 |
1 |
|
6 |
10 |
1 |
– |
91 |
60[c] |
[a] Reaction conditions: 0.5 mmol 1, 40 mg catalyst, 0–5 bar CO, 120 °C, 100 μL H2O, 24 hours; 0.8 mL DMTHF; [b] Yields were determined by GC‐FID using n‐hexadecane as an internal standard; [c] 14 % of aniline 3 by‐product.