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2 results on '"Ballerini, Lorenzo"'

1. Transition Metal‐Driven Selectivity in Direct C−H Arylation of Imidazo[2,1‐b]Thiazole.

Author

Del Vecchio, Antonio, Rosadoni, Elisabetta, Ballerini, Lorenzo, Cuzzola, Angela, Lipparini, Filippo, Ronchi, Paolo, Guariento, Sara, Biagetti, Matteo, Lessi, Marco, and Bellina, Fabio

Subjects
PALLADIUM catalysts, ARYLATION, THIAZOLES, METALATION, PALLADIUM
Abstract

A selective direct arylation of the different Csp2‐H bonds of imidazo[2,1‐b]thiazole with (hetero) aryl halides can be achieved simply by switching from a palladium catalyst system to the use of stoichiometric amounts of copper. The observed selectivity, also rationalized by DFT calculations, can be explained by a change in the mechanistic pathways between electrophilic palladation and base‐promoted C−H metalation. [ABSTRACT FROM AUTHOR]

Published
2024
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2. Transition Metal-Driven Selectivity in Direct C-H Arylation of Imidazo[2,1-b]Thiazole.

Author

Del Vecchio A, Rosadoni E, Ballerini L, Cuzzola A, Lipparini F, Ronchi P, Guariento S, Biagetti M, Lessi M, and Bellina F

Abstract

A selective direct arylation of the different Csp2-H bonds of imidazo[2,1-b]thiazole with (hetero) aryl halides can be achieved simply by switching from a palladium catalyst system to the use of stoichiometric amounts of copper. The observed selectivity, also rationalized by DFT calculations, can be explained by a change in the mechanistic pathways between electrophilic palladation and base-promoted C-H metalation., (© 2024 The Authors. ChemistryOpen published by Wiley-VCH GmbH.)

Published
2024
Full Text
View/download PDF

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