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Kalleshappa Sharath

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Open access Oct 2026

Acid‐Promoted Divergent and Chemoselective Annulation of 2‐(Methylthio)‐2‐Thioxoacetates for the Synthesis of 4‐Oxo‐3,4‐Dihydroquinazolines and 4‐Oxo‐4H‐Benzo[d][1,3]thiazines

A divergent and chemoselective method to quinazolinones and benzothiazinones has been developed through the reaction of alkyl/arylmethyl 2‐(methylthio)‐2‐thioxoacetate with 2‐aminobenzamides under Brønsted acid catalysis. The reaction delivered two structurally distinct heterocyclic scaffolds under different reaction...

C. Santhosh, K. Sheela, Kalleshappa Sharath et al. · 0 citations

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