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- Title
5‐(Trifluorovinyl)dibenzothiophenium Triflate: Introducing the 1,1,2‐Trifluoroethylene Tether in Drug‐Like Structures.
- Authors
Feng, Zeyu; Marset, Xavier; Tostado, Jaime; Kircher, Johannes; She, Zhijie; Golz, Christopher; Mata, Ricardo A.; Simon, Martin; Alcarazo, Manuel
- Abstract
This manuscript reports the synthesis and structure of an unprecedented sulfonium salt, 5‐(trifluorovinyl)dibenzothiophenium triflate, and its use as a versatile reagent for the introduction of the bioisosteric 1,1,2‐trifluoroethylene linker in drug‐like structures. The protocol developed consists of the reaction of this compound with alcohols and phenols to deliver a complete set of 1,2,2‐trifluoro‐2‐(alkoxy‐/aryloxy)ethyl sulfonium salts, which have been purified by column chromatography and fully characterized. Subsequent single electron reduction under mild photochemical conditions efficiently affords the corresponding fluoroalkyl radicals that are trapped either intra‐ or intermolecularly through their reaction with (hetero)arenes. Theoretical calculations are used to evaluate the conformational consequences derived from the presence of the CF2−CHF tether.
- Subjects
COLUMN chromatography; RADICALS (Chemistry); AROMATIC compounds; FLUOROPOLYMERS
- Publication
Chemistry - A European Journal, 2023, Vol 29, Issue 18, p1
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202203966