Beilstein Arch. 2019, 2019138. https://doi.org/10.3762/bxiv.2019.138.v1
Published 01 Nov 2019
The propargylation of aldehydes promoted by microwave irradiation using allenyl boron compounds in a chemo- and regioselective way is described. The corresponding products were obtained in short reaction time, high yield and purity without the need of any solvent when allenyl boronic acid pinacol ester was used, or using a minimal amount of acetone when potassium allenyl trifluoroborate was used.
Keywords: boron compounds; microwave; propargylation; regioselectivity; synthesis
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Freitas, J. J.; Freitas, Q. P.; Andrade, S. R.; Freitas, J. C.; Oliveira, R. A.; Menezes, P. H. Beilstein Arch. 2019, 2019138. doi:10.3762/bxiv.2019.138.v1
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