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Fluorination Reactions at a Platinum Carbene Complex: Reaction Routes to SF3 , S(=O)F and Fluorido Complexes.

ABSTRACT: The electron-rich Pt complex [Pt(IMes)2 ] (IMes: [1,3-bis(2,4,6-trimethylphenyl)-2-imidazolinylidine]) can be used as precursor for the syntheses of a variety of fluorido ligand containing compounds. The sulfur fluoride SF4 undergoes a rapid oxidative addition at Pt0 to yield trans-[Pt(F)(SF3 )(IMes)2 ]. A photolytic reaction of SF6 at [Pt(IMes)2 ] in the presence of IMes gave the fluorido complexes trans-[Pt(F)2 (IMes)2 ] and trans-[Pt(F)(SF3 )(IMes)2 ] along with trans-[Pt(F)(SOF)(IMes)2 ] and trans-[Pt(F)(IMes')(IMes)] (IMes': cyclometalated IMes ligand), the latter being products produced by reaction with adventitious water. trans-[Pt(F)(SOF)(IMes)2 ] and trans-[Pt(F)2 (IMes)2 ] were synthesized independently by treatment of [Pt(IMes)2 ] with SOF2 or XeF2 . A reaction of [Pt(IMes)2 ] with a HF source gave trans-[Pt(H)(F)(IMes)2 ], and an intermediate bifluorido complex trans-[Pt(H)(FHF)(IMes)2 ] was identified. Compound trans-[Pt(H)(F)(IMes)2 ] converts in the presence of CsF into trans-[Pt(F)(IMes')(IMes)].

SUBMITTER: Dirican D 

PROVIDER: S-EPMC9298267 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Fluorination Reactions at a Platinum Carbene Complex: Reaction Routes to SF<sub>3</sub> , S(=O)F and Fluorido Complexes.

Dirican Dilcan D   Talavera Maria M   Braun Thomas T  

Chemistry (Weinheim an der Bergstrasse, Germany) 20211029 70

The electron-rich Pt complex [Pt(IMes)<sub>2</sub> ] (IMes: [1,3-bis(2,4,6-trimethylphenyl)-2-imidazolinylidine]) can be used as precursor for the syntheses of a variety of fluorido ligand containing compounds. The sulfur fluoride SF<sub>4</sub> undergoes a rapid oxidative addition at Pt<sup>0</sup> to yield trans-[Pt(F)(SF<sub>3</sub> )(IMes)<sub>2</sub> ]. A photolytic reaction of SF<sub>6</sub> at [Pt(IMes)<sub>2</sub> ] in the presence of IMes gave the fluorido complexes trans-[Pt(F)<sub>2</  ...[more]

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