The catalytic activity of Palladium(II) complexes containing PN ligands in the Heck and Suzuki C-C coupling reactions

Year 2018, , 133 - 148, 01.09.2017

Mustafa Kemal Yılmaz Mustafa Keleş

https://doi.org/10.18596/jotcsa.341530

Cited By: 2

Abstract

A range of iminophosphine (PN) ligands ((C₆H₅)₂P-C₆H₄-CH=NR
(R=-C₆H₃(2-CH₃)(4-OH) (1a), -CH₂CH₂C₆H₄(4-OH)
(1b) and -C₅H₃N(2-CH₃)
(1c))  have been synthesized starting from 4-amino-3-methylphenol,
4-(2-aminoethyl)phenol and 2-amino-3-methylpyridine with 2-(diphenylphosphino)benzaldehyde.
The PN ligands were reacted with Pd(cod)Cl₂ to give corresponding new
PdLCl₂ metal complexes, (2a,
2b and 2c). The Heck and Suzuki C-C coupling reactions were examined with
catalysts 2a-2c and showed high conversions under the determined conditions with
para substituted arylhalides

Keywords

iminophosphine, palladium complexes, Heck coupling, suzuki coupling

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