Scheme 3.
Mechanism study. a) Radical cyclization trapped by perfluorobenzene. b) Trials to trap perfluorophenyl radical. Yields in bracket are based on 19F NMR.
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.