Scheme 3.
General procedure applied for the synthesis of 2-methylquinazolin-4(3H)-one derivatives with anchored imidazolinone moiety. Reagents and conditions: (a) (CH3CO)2O, 10-h reflux; (b) NH2NH2, EtOH, 2-h reflux; (c) n-butanol, 6-h reflux.
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.