Phenyl substitution reactions of 3-bromo-2,4-pentanedionato complexes

Phenyl substitution reactions of 3-bromo-2,4-pentanedionate metal (M=Cr and Co) complexes catalyzed by palladium (Suzuki coupling reaction) were carried out. Variously substituted products were identified by standard spectroscopic methods. In order to confirm the products, crystal structures of the several products were determined by the X-ray diffraction method.