Scheme 1.
General scheme of the synthesis of flavins 1–11 by Approaches A and B. Reaction conditions: (i) AcOH, H3BO3; (ii) AcOH, MeOH/H2O/THF.
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.