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Relevant academic research and scientific papers

Willgerodt-Kindler reaction of arylglyoxals with amines and sulfur in aqueous media: A simple and efficient synthesis of -ketothioamides

A simple and efficient method for the synthesis of -ketothioamides via the Willgerodt-Kindler reaction is developed. Reactions were carried out between arylglyoxal hydrates, amines and elemental sulfur in water at 80°C to afford corresponding -ketothioamides in good to high yields in a short reaction time.

Synthesis of α-ketothioamides via willgerodt-kindler reaction of arylglyoxals with amines and sulfur under solvent-free conditions

Willgerodt-Kindler reaction of arylglyoxal hydrates with secondary amines and elemental sulfur under solvent-free conditions at 80 °C is developed, in which α-ketothioamides are obtained in 70-90% yield in 0.6-1 hour. The X-ray crystal-structure analysis for one compound was obtained. Georg Thieme Verlag Stuttgart . New York.