Scheme 2.
Overview of modular flow experiment for the synthesis of 7 a. Solid arrows indicate direct connections and dashed arrows indicate indirect connections (for example, precipitation or solvent exchange).
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.