Scheme 2. “6 + 4” and “6 + 5” Cyclization to Bi- and Tricyclic 10- and 11-Membered Sultams.
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.