Scheme 3.
Synthesis of 5‐(aryl)dibenzothiophenium triflates. If not indicated, only one regioisomer was detected. Reagents and conditions: a) Arene (1.1 equiv) −50°→‐20 °C, 15 h. [a] Isolated as a 1:2 mixture of rotamers.
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.