2012
DOI: 10.1021/ol302497m
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Rhodium-Catalyzed Synthesis of Diaryl Sulfides Using Aryl Fluorides and Sulfur/Organopolysulfides

Abstract: Substituted pentafluorobenzenes react with sulfur to give bis(4-substituted 2,3,5,6-tetrafluorophenyl) sulfides in the presence of RhH(PPh(3))(4), 1,2-bis(diphenylphosphino)benzene (dppBz), and tributylsilane. The reaction proceeds efficiently between room temperature and 80 °C. A comparative study of the reactivities of an organic trisulfide and a tetrasulfide showed notable substrate specificity. Di-tert-butyl tetrasulfide reacted with reactive aryl monofluorides and substituted pentafluorobenzenes. Di-tert-… Show more

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Cited by 58 publications
(18 citation statements)
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“…The [RhH(PPh 3 ) 4 ]‐catalyzed synthesis of bis(4‐substituted 2,3,5,6‐tetrafluorophenyl) sulfides by using substituted pentafluorobenzenes and S 8 was developed by Arisawa, Yamaguchi, and co‐workers through C(sp 2 )F bond activation (Scheme ) 14…”
Section: Cs Bond Construction By Different Sulfuration Agentsmentioning
confidence: 99%
“…The [RhH(PPh 3 ) 4 ]‐catalyzed synthesis of bis(4‐substituted 2,3,5,6‐tetrafluorophenyl) sulfides by using substituted pentafluorobenzenes and S 8 was developed by Arisawa, Yamaguchi, and co‐workers through C(sp 2 )F bond activation (Scheme ) 14…”
Section: Cs Bond Construction By Different Sulfuration Agentsmentioning
confidence: 99%
“…The phenomenon was ascribed to the slow formation of active sulfur species because preheating sulfur in acetone for 1.5 h eliminated the induction period. Symmetric diaryl sulfides are synthesized from perfluorobenzene and sulfur involving C-F bond activation, which showed reactivity and the p-difluoride rule similar to disulfides (Scheme 26) [63]. Treatment of 4-phenylthiopentafluorobenzene, sulfur, and tributylsilane in DMF at room temperature in the presence of RhH(PPh 3 ) 4 (5 mol%) and dppBz (10 mol%) provided bis(4-cyano-2,3-5,6-tetrafluorophenyl) sulfides in 77% yield.…”
Section: Rhodium-catalyzed Reactions Of Sulfurmentioning
confidence: 99%
“…Substituted pentafluorobenzenes 213 reacted with elemental sulfur to provide bis(2,3,5,6‐tetrafluorophenyl) sulfides 214 in the presence of catalytic amounts of the RhH(PPh 3 ) 4 complex and 1,2‐bis(diphenylphosphino)benzene (dppBz) ligand (Scheme ) …”
Section: Sulfur As Building Block – Sulfuration Reactionsmentioning
confidence: 99%