Scheme 1.
Synthetic route to 4(5)-substituted-1-H-imidazole-2-carboxamides. BnBr=benzyl bromide; DMAP=4-(dimethylamino)pyridine; TFA=trifluoroacetic acid.
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.