This is the first report of a natural ligand improving the copper-catalyzed homocouplings of (hetero)arylboronic acids. Various important synthetic biaryl intermediates in organic synthesis could be assembled via this method. To gain insight into this reaction, in situ React IR technology was used to confirm the effectivity of this catalyst system. This protocol could provide important biaryl compounds in high yields within a short time.
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http://dx.doi.org/10.3390/molecules24203678 | DOI Listing |
Molecules
October 2019
Department of Medicinal Chemistry, Pharmacy School, Jinzhou Medical University, Jinzhou 121001, Liaoning, China.
This is the first report of a natural ligand improving the copper-catalyzed homocouplings of (hetero)arylboronic acids. Various important synthetic biaryl intermediates in organic synthesis could be assembled via this method. To gain insight into this reaction, in situ React IR technology was used to confirm the effectivity of this catalyst system.
View Article and Find Full Text PDFJ Org Chem
November 2004
Departamento de Química Orgánica, Universidad de Valencia, Avda. Vicent Andres Estelles s/n, 46100 Burjassot, Spain.
Palladium-catalyzed cross-coupling reactions of racemic alpha-bromo sulfoxides with boronic acids are carried out in either aqueous or nonaqueous medium with formation of a new C sp(3)-C sp(2) bond. The arylation of chiral alpha-bromo sulfoxides occurs without racemization. The cross-coupling reaction is general and gives high yields with arylboronic acids substituted with either donor or acceptor groups but gives poor results with heteroarylboronic acids.
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