Scheme 5.
Synthesis of 4-oxo-1-phenyl-1,4,5,6-tetrahydropyridazine-3-carboxylate 13a–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.