ArticleChemistry (Weinheim an der Bergstrasse, Germany)2026
Silylium-Ion-Initiated Disulfidation of Internal Alkynes With Disulfides.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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Who cites it
2 citing papers in PubMed.
- Silylium-Ion-Initiated Disulfidation of Internal Alkynes With Disulfides.Chemistry (Weinheim an der Bergstrasse, Germany) · 2026Article
- Silylium-Ion-Initiated Disulfidation of Unactivated Alkenes with Disulfides: Methodology and Isolation of the Sulfenium-Ion Carriers.The Journal of organic chemistry · 2026Article
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Authors and funding
3 authors.
Funding
Abstract
A two-component protocol for the trans-selective addition of diaryl disulfides across internal alkynes is reported. The silylium-ion initiator converts the disulfide reagent into a silylated sulfonium ion and, as such, into a sulfenium-ion source. A subsequent transfer of that sulfur electrophile to the C≡C triple bond leads to the formation of a thiirenium ion. The ring opening of this intermediate by the disulfide as a sulfur nucleophile yields the disulfidation (bisthiolation) product with release of another sulfenium ion. The resulting 1,2-bis(arylthio)-substituted alkene derivatives can be oxidized to the corresponding sulfoxides and sulfones or further engaged in regioselective nickel-catalyzed cross-coupling reactions.
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Registered trials
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