A controllable and rapid synthesis of disulfides and thiosulfonates from sodium sulfinates mediated by hydroiodic acid has been found for the first time. In these reactions, H2O and ethanol were...
A novel hydroiodic acid-promoted metal-free C-(sp 2 )-H sulfenylation of electron-rich arenes was developed using stable and easy-to-handle sodium sulfinates as sulfur sources. Diverse kinds of asymmetric aryl sulfides were afforded in good yields from various commercially available aromatic substrates under mild conditions. Comprehensive mechanistic experiments demonstrate that RSO 2 SR and RSSR are the key intermediates responsible for the redox process.
A new direct sulfenylation method of indoles by sodium sulfinates and hydroiodic acid was developed giving variety of 3‐sulfenylindoles in high yields under mild conditions without using any catalysts or other additives. In situ‐generated RS‐I species are supposed to be mainly responsible for the key electrophilic alkyl‐ or aryl‐thiolation process.
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