Scheme 7.
Michael addition/lactonisation or lactamisation using various Michael acceptors (when X=O: from homoanhydride).
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.