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An efficient synthesis of thiazines from the three component reactions between dialkyl acetylenedicarboxylates,arylisothio-cyanates and iV-nucleophiles at room temperature in water as the solvent is described.
An efficient synthesis of thiazines from the three component reactions between dialkyl acetylenedicarboxylates, arylisothio-cyanates and iV-nucleophiles at room temperature in water as the solvent is described.