Julia Altarejos, David Sucunza, Juan J. Vaquero, and Javier Carreras
A general method for solvent-free hydroboration of alkynes has been developed by microwave irradiation, to get (E)-alkenyl boronates. Several functionalizations in the C–B bond can be performed sequentially without the purification of the intermediates.
Eur. J. Org. Chem. 2020, 3024; doi: 10.1002/ejoc.202000110