Catalyst-free and solvent-free hydroboration of alkynes?

New Journal of Chemistry Pub Date: 2020-07-17 DOI: 10.1039/D0NJ02612C

Abstract

The hydroboration of alkynes with pinacolborane (HBpin) under catalyst- and solvent-free conditions was demonstrated. Various alkynes were smoothly converted into alkenyl boronate esters in good to excellent yields at 110 °C. The gram-scale hydroboration of alkynes provided the corresponding boronates, which were further utilized for various chemical transformations and coupling reactions.

Graphical abstract: Catalyst-free and solvent-free hydroboration of alkynes
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