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A Syn Outer-Sphere Oxidative Addition: The Reaction Mechanism in Pd/Senphos-Catalyzed Carboboration of 1,3-Enynes by Ziyong Wang; Walid Lamine; Karinne Miqueu; Shih-Yuan Liu is a scholarly article available to read on EtoBox.

What is A Syn Outer-Sphere Oxidative Addition: The Reaction Mechanism in Pd/Senphos-Catalyzed Carboboration of 1,3-Enynes about?

We report a combined experimental and computational study of Pd/Senphos catalyzed carboboration of 1,3-enynes utilizing DFT calculations, 31P NMR study, kinetic study, Hammett analysis and Arrhenius/Eyring analysis. Our mechanistic study provides evidence against the conventional inner-sphere β-migratory insertion mechanism. Instead, a syn outer-sphere oxidative addition mechanism featuring a Pd-π-allyl intermediate followed by coordination-assisted rearrangements is consistent with all the experimental observations.

Author

Ziyong Wang; Walid Lamine; Karinne Miqueu; Shih-Yuan Liu

Published

2022

Language

EN