Na<sub>2</sub>S-mediated thionation: an efficient access to secondary and tertiary α-ketothioamides via Willgerodt–Kindler reaction of readily available arylglyoxals with amines
<div><p>The task of this paper is to provide an efficient process for synthesis of secondary and tertiary α-ketothioamides via Willgerodt–Kindler reaction of readily available arylglyoxals with amines using Na<sub>2</sub>S as an effective catalyst. A plausible role for Na<sub>2</sub>S in the reaction of arylglyoxals with primary amines is proposed.</p></div
