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A Radical Mechanism for Frustrated Lewis Pair Reactivity

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Presentation on theme: "A Radical Mechanism for Frustrated Lewis Pair Reactivity"— Presentation transcript:

1 A Radical Mechanism for Frustrated Lewis Pair Reactivity
Liu (Leo) Liu, Levy L. Cao, Yue Shao, Gabriel Ménard, Douglas W. Stephan  Chem  Volume 3, Issue 2, Pages (August 2017) DOI: /j.chempr Copyright © 2017 Elsevier Inc. Terms and Conditions

2 Chem 2017 3, DOI: ( /j.chempr ) Copyright © 2017 Elsevier Inc. Terms and Conditions

3 Figure 1 Plausible Mechanisms of Small-Molecule Activation by FLPs
(A) Mechanism of activation of generic substrate (X2) by FLPs via an “encounter complex.” (B) Proposed mechanism of activation of generic substrate by FLPs via the SET process. Chem 2017 3, DOI: ( /j.chempr ) Copyright © 2017 Elsevier Inc. Terms and Conditions

4 Figure 2 Reactivity of tBu3P/E(C6F5)3 toward pO2C6Cl4 and Ph3SnH
Reactions of tBu3P, E(C6F5)3 (E = B or Al) with p-O2C6Cl4 and Ph3SnH (see also Figures S1–S19). POV-ray depictions of the molecular structures of 1 and 4 are shown (see also Table S1). Colors are as follows: C, black; F, pink; B, yellow-green; Al, light blue; O, red; Sn, green-blue; P, orange; Cl, aquamarine; H, gray. All hydrogen atoms except the bridging hydride of the anion of 4 are omitted for clarity. Chem 2017 3, DOI: ( /j.chempr ) Copyright © 2017 Elsevier Inc. Terms and Conditions

5 Figure 3 Reactivity of Mes3P/E(C6F5)3 toward pO2C6Cl4 and Ph3SnH
Reactions of Mes3P and E(C6F5)3 (E = B or Al) with pO2C6Cl4 and Ph3SnH (see also Figures S20–S46). Insert: picture of a solution of Mes3P and Al(C6F5)3 in chlorobenzene and the experimental and simulated X-band EPR spectra derived from the Mes3P/Al(C6F5)3 solution (observed, black; simulated, red); POV-ray depictions of the molecular structures of 7 and 8 are shown (see also Table S1). Colors are as follows: C, black; F, pink; B, yellow-green; Cl, aquamarine; P, orange; O, red; H, gray. All hydrogen atoms except the phosphonium proton of 7 are omitted for clarity. Chem 2017 3, DOI: ( /j.chempr ) Copyright © 2017 Elsevier Inc. Terms and Conditions


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