COA of Formula: C46H46O4P2Pd2. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: trans-Di-μ-acetatobis[2-[bis(2-methylphenyl)phosphino]benzyl]dipalladium, is researched, Molecular C46H46O4P2Pd2, CAS is 172418-32-5, about Kinetics of vinylation of 4′-bromoacetophenone with n-butyl acrylate using palladacycle catalyst. Author is Sud, Abhishek; Deshpande, Raj M.; Chaudhari, Raghunath V..
The kinetics of vinylation of 4′-bromoacetophenone (4′-BAP) with Bu acrylate (n-BA) has been studied using palladacycle catalyst precursor in the presence of sodium acetate (NaOAc) as a base and tetrabutylammonium bromide (TBAB) as a promoter in N-methyl-2-pyrrolidinone (NMP) solvent. The rate was found to be first order with respect to 4′-BAP, fractional order with the catalyst, and first order tending to zero order with NaOAc concentration The rates passed through a maximum with variation of TBAB and Bu acrylate concentrations The rate data have been analyzed to propose an empirical model, which is in good agreement with the mechanism already established for Heck reactions using palladacycle catalysts.
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Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate