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Synthesis of a palladium complex with a β-d-glucopyranosyl-thiosemicarbazone and its application in the Suzuki-Miyaura coupling of aryl bromides with phenylboronic acid

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Synthesis of a palladium complex with a β-d-glucopyranosyl-thiosemicarbazone and its application in the Suzuki-Miyaura coupling of aryl bromides with phenylboronic acid
Tenchiu, A.-C. Ventouri, I.-K. Ntasi, G. Palles, D. Kokotos, G. Kovala-Demertzi, D. Kostas, I.D.
scientific_publication_article
Επιστημονική δημοσίευση - Άρθρο Περιοδικού (EL)
Scientific publication - Journal Article (EN)
2015
A palladium(II) complex with a known phosphane-free β-d-glucopyranosyl-thiosemicarbazone ligand has been prepared and characterized by spectroscopic studies. The ligand is bonded to the metal in a bidentate coordination mode via the azomethine nitrogen and the thiolate sulfur in the dimeric form. The application of this complex on the Suzuki-Miyaura coupling of aryl bromides with phenylboronic acid in DMF/K2CO3 at 100 °C for 24 h in air, using 0.1 mol% of palladium, afforded the corresponding biaryls in 54-91% yield. Crabtree's test provided evidence that the real catalyst is mainly heterogeneous rather than homogeneous. © 2015 Elsevier B.V. All rights reserved. (EN)
English
Ερευνητικό υλικό ΕΚΠΑ
https://creativecommons.org/licenses/by-nc/4.0/
University of Athens
Pergamos Digital Library
Journal Article



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