One-step method for synthesis of 2,4-disubstituted quinazoline 3-oxides by reaction of a 2-aminoaryl ketone with a hydroxamic acid using Zn(OTf)2 as the catalyst
A simple and efficient method for the preparation of 2,4-disubstituted quinazoline3-oxides by reaction of a hydroxamic acid with 2-aminoaryl ketones using zinc(II) triflate as the catalyst is described.