Brønsted acid-promoted three-component reaction of 2-methoxythiophene, sulfinates and water: Synthesis of γ-mercapto-β-sulfonyl esters
2022
Chen, Xianlie | Luo, Yixin | Zeng, Qingle
A facile Brønsted acid-promoted three-component reaction of 2-methoxythiophene, sulfinates and water at room temperature has been discovered. Under the mild conditions, a series of γ-mercapto-β-sulfonyl esters were obtained in moderate to good yields. The control experiments support the reaction mechanism involves in three processes: 1,5-H shift, Michael addition and ring opening in water.
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