Scheme 2.
Results of optimization of reaction conditions. Yields determined by 1H NMR spectroscopy (1,3,5-(MeO)3C6H3 used as internal standard).
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.