Scheme 3.
Synthesis of berberine derivative 3. Reagents and conditions: (i) C3H6Br2, DMF, 80 °C, 2 h.
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.