Abstract

A range of iminophosphine (PN) ligands ((C 6 H 5 ) 2 P-C 6 H 4 -CH=NR (R=-C 6 H 3 (2-CH 3 )(4-OH) ( 1a ), -CH 2 CH 2 C 6 H 4 (4-OH) ( 1b ) and -C 5 H 3 N(2-CH 3 ) ( 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)Cl 2 to give corresponding new PdLCl 2 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

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