52409-22-0, Name is Pd2(DBA)3, belongs to catalyst-palladium compound, is a common compound. HPLC of Formula: C51H42O3Pd2In an article, once mentioned the new application about 52409-22-0.
The mechanism of the palladium-catalyzed synthesis of allylic silanes and boronates from allylic alcohols was investigated. 1H, 29Si, 19F, and 11B NMR spectroscopy was used to reveal key intermediates and byproducts of the silylation reaction. The tetrafluoroborate counterion of the palladium catalyst is proposed to play an important role in both catalyst activation as well as the transmetalation step. We propose that BF3 is generated in both processes and is responsible for the activation of the substrate hydroxyl group. An (eta3- allyl)palladium complex has been identified as the catalyst resting state, and the formation of (eta3-allyl)palladium complexes directly from allylic alcohols has been studied. Kinetic analysis provides evidence that the turnover limiting step is the transmetalation, and insights into notable similarities between the borylation and the silylation reaction mechanisms enabled us to considerably improve the stereoselectivity of the borylation.
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Reference：
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method