Issue 10, 2022

Hydroboration of vinyl halides with mesitylborane: a direct access to (mesityl)(alkyl)haloboranes

Abstract

The direct access to (mesityl)(alkyl)haloboranes (Mes(Alk)BX) (X = Br, Cl) from mesitylborane dimer and vinyl halides is presented. The involved hydroboration reaction results in the transfer of the halogen atom from the carbon of the starting material to the boron in the final product. The reactivity of the obtained Mes(Alk)BX has been evaluated for the synthesis of the bipyridyl boronium cations and 2-arylpyridine derived boron N^C-chelates. The formation mechanism of Mes(Alk)BX is apprended by DFT-calculations which shows that their formation involves two concomitant pathways derived from the regioslectivity of the hydroboration reaction.

Graphical abstract: Hydroboration of vinyl halides with mesitylborane: a direct access to (mesityl)(alkyl)haloboranes

Supplementary files

Article information

Article type
Communication
Submitted
11 nov. 2021
Accepted
04 ene. 2022
First published
04 ene. 2022

Chem. Commun., 2022,58, 1589-1592

Hydroboration of vinyl halides with mesitylborane: a direct access to (mesityl)(alkyl)haloboranes

M. Devillard, M. Cordier, T. Roisnel, C. Dinoi, I. Del Rosal and G. Alcaraz, Chem. Commun., 2022, 58, 1589 DOI: 10.1039/D1CC06365K

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