Table 1.
Synthesis of compounds 7–12
| Compound no. | Yield, % | Impurity of 4, % |
|---|---|---|
| 7 | 65 | 25 |
| 8 | 68 | 20 |
| 9 | 84 | 15 |
| 10 | 85 | 5 |
| 11 | 98 | 1 |
| 12 | 100 | – |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.