Trifluoromethylation of [AuF₃ (SIMes)]: Preparation and Characterization of [Au(CF₃ )_x F_3-x (SIMes)] (x=1-3) Complexes.

ABSTRACT: Trifluoromethylation of [AuF₃ (SIMes)] with the Ruppert-Prakash reagent TMSCF₃ in the presence of CsF yields the product series [Au(CF₃ )_x F_3-x (SIMes)] (x=1-3). The degree of trifluoromethylation is solvent dependent and the ratio of the species can be controlled by varying the stoichiometry of the reaction, as evidenced from the ¹⁹ F NMR spectra of the corresponding reaction mixtures. The molecular structures in the solid state of trans-[Au(CF₃ )F₂ (SIMes)] and [Au(CF₃ )₃ (SIMes)] are presented, together with a selective route for the synthesis of the latter complex. Correlation of the calculated SIMes affinity with the carbene carbon chemical shift in the ¹³ C NMR spe

SUBMITTER: Winter M 

PROVIDER: S-EPMC7756667 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature