(6S)-6-Methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one(CAS: 147086-79-1)

(6S)-6-Methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one is a white crystalline solid with a molecular weight of approximately 198.25 g/mol. It has a low solubility in water but is soluble in organic solvents like ethanol and acetone. The compound is relatively stable under normal conditions but may react with strong acids or bases. It shows limited reactivity but can undergo substitution reactions under appropriate conditions.

(6S)-6-Methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one can be synthesized via a multi-step process involving thienyl diazonium salt formation and subsequent reduction. Common solvents include DMF and THF. The reaction typically requires a strong reducing agent like sodium borohydride and proceeds with high selectivity and good yield under mild conditions.

(6S)-6-Methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one is used in the pharmaceutical industry for the synthesis of bioactive molecules. It also finds applications in the production of polymers and sensors due to its unique chemical properties. Additionally, it may be utilized in the development of materials for semiconductors and other advanced applications.

When handling (6S)-6-Methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one, safety goggles and gloves are essential. Use a fume hood to minimize inhalation of vapors. Spills should be cleaned up with appropriate absorbent materials, and proper disposal methods should be followed. Always refer to the material safety data sheet (MSDS) for specific guidelines and emergency procedures.