Thiazine

Thiazine is an organic compound containing a ring of four carbon, one nitrogen and one sulfur atom. There are three of thiazine, 1,2-thiazine, 1,3-thiazine, and 1,4-thiazine, which differ by the arrangement of the nitrogen and sulfur atoms in the ring.

Derivatives of thiazine, often referred to as thiazines, are used for , and .

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Preparation 1,4-thiazine can be prepared from the corresponding dione using aluminium powder at high temperature.

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Tautomers Three of 1,4-thiazine exist as above.

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See also

• Methylene blue, contains a related ring with nitrogen and a positively charged sulfur atom
• Phenothiazine, a thiazine fused with two benzene rings
• Thiomorpholine, a saturated analog of thiazine

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