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Characterization of a Paramagnetic, Mononuclear Pt(III)–Alkyl Complex Intermediate in Carbon–Halogen Bond Coupling Reactions

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Figshare2016-02-20 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Characterization_of_a_Paramagnetic_Mononuclear_Pt_III_Alkyl_Complex_Intermediate_in_Carbon_Halogen_Bond_Coupling_Reactions/2485711
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Addition of Br2 or I2 to 14-electron, cationic Pt­(II)-alkyl complexes led to the formation of the corresponding carbon–halogen Pt­(II) coupling products. Low temperature experiments with Br2 allowed us to isolate and characterize crystallographically a very unusual mononuclear, paramagnetic Pt­(III)-alkyl intermediate with a seesaw structure that can be further oxidized to a transient Pt­(IV) species before reductive carbon–halogen coupling reaction takes place.
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2016-02-20
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