Matches in SemOpenAlex for { <https://semopenalex.org/work/W4362474461> ?p ?o ?g. }
- W4362474461 abstract "Abstract Benzothiophenes, activated by oxidation to the corresponding S ‐oxides, undergo C−H/C−H‐type coupling with phenols to give C4 arylation products. While an electron‐withdrawing group at C3 of the benzothiophene is important, the process operates without a directing group and a metal catalyst, thus rendering it compatible with sensitive functionalities—e.g. halides and formyl groups. Quantum chemical calculations suggest a formal stepwise mechanism involving heterolytic cleavage of an aryloxysulfur species to give a π‐complex of the corresponding benzothiophene and a phenoxonium cation. Subsequent addition of the phenoxonium cation to the C4 position of the benzothiophene is favored over the addition to C3; Fukui functions predict that the major regioisomer is formed at the more electron‐rich position between C3 and C4. Varied selective manipulation of the benzothiophene products showcase the synthetic utility of the metal‐free arylation process." @default.
- W4362474461 created "2023-04-05" @default.
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- W4362474461 date "2023-05-24" @default.
- W4362474461 modified "2023-10-14" @default.
- W4362474461 title "Metal‐Free Arylation of Benzothiophenes at C4 by Activation as their Benzothiophene <i>S</i>‐Oxides" @default.
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- W4362474461 doi "https://doi.org/10.1002/ange.202302418" @default.
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