Scheme 2.
Synthesis of compounds BZTcin1–5. Reagents and conditions: (c) EDC·HCl, HOBt, CH3CN, overnight, 55–60 °C.
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.