Table 1. Survey of activation conditions.
 | |||
|---|---|---|---|
| Entry | Activating agent | Base | % Yield |
| 1 | none | none | 0 |
| 2 | none | i-Pr2NEt | 0 |
| 3 | Tf2O | pyridine | 0 |
| 4 | TMSCl | pyridine | 68 |
| 5 | TMSCl | i-Pr2NEt | 91 |
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.