95642-70-9

Upstream product

• 65235-90-7 2-phenyl-4-hydroxy-6H-1,3-thiazin-6-one 
• 74-88-4 methyl iodide 
• 95642-58-3 4-chloro-2-phenyl-6H-1,3-thiazin-6-one 
• 186581-53-3 diazomethane 
• 67-56-1 methanol 
• 95642-67-4 6-Oxo-2-phenyl-4-fluoro-1,3-thiazine 

Relevant academic research and scientific papers

Azines and azoles. C. Structure of 2-aryl-1,3-thiazinediones in solutions

According to the 1H and 13C NMR, IR, and UV spectra of solutions of potentially tautomeric 2-aryl-1,3-thiazine-4,6-diones and compounds with fixed structures, modeling all possible tautomeric forms, in nonpolar and dipolar aprotic solvents, alcohols, and aqueous-alcoholic media at pH2, a mixture of the 4-hydroxy enol with corresponding anion (pKa 3.6-5.1, 40% aqueous ethanol) occurs. The experimental results are supported by PPP quantum-chemical calculations.

INVESTIGATIONS IN THE SERIES OF HETEROCYCLES. 55. SYNTHESIS AND SOME REACTIONS OF 2-ARYL-4-HALO-6-OXO-1,3-THIAZINES

The reaction of 2-aryl-4-hydroxy-6-oxo-1,3-thiazines with Vilsmeier's reagent results in the formation of a mixture of 2-aryl-6-oxo-4-chloro-1,3-thiazines and their 5-formyl analogs.Reactions involving the nucleophilic replacement of the halogen and nucle