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Journal Articles Tetrahedron Year : 2012

Few unexpected results from a Suzuki–Miyaura reaction


In the course of the synthesis of original anti-infectious compounds we focused on the palladiumcatalyzed SuzukieMiyaura arylearyl coupling reaction between 2-(3-ethoxy-5-iodo-1H-pyrazol-1-yl) pyridine and phenylboronic acid. A study of the reaction products obtained under different conditions (various ligands and solvents), not only provided us with insights to optimize this reaction but also with few side compounds, resulting from CH activation, along with the unexpected bis(3-ethoxy-1-(pyridin-2- yl)-1H-pyrazol-5-yl)palladium. Stochiometric experiments with this remarkably stable biscyclopalladated reagent and phenylhalides pointed out the occurrence of arylearyl coupling, possibly via palladium IV intermediates.

Dates and versions

pasteur-00669009 , version 1 (10-02-2012)



Elise Salanouve, Pascal Retailleau, Yves Louis Janin. Few unexpected results from a Suzuki–Miyaura reaction. Tetrahedron, 2012, 68 (9), pp.2135-2140. ⟨10.1016/j.tet.2012.01.019⟩. ⟨pasteur-00669009⟩
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