publication . Other literature type . Article . 2014

Investigation of axial ligand effects on catalytic activity of manganese porphyrin, evidence for the importance of hydrogen bonding in cytochrome-P450 model reactions

Elnaz Mesbahi; Nasser Safari; Mahin Gheidi;
  • Published: 02 Jun 2014
  • Publisher: World Scientific Pub Co Pte Lt
Abstract
<jats:p> Various nitrogenous bases, such as imidazoles, pyridines and amines were employed as axial ligands in epoxidation reaction of cyclooctene bytetra-n-butylammonium hydrogen monopersulfate (n- Bu <jats:sub>4</jats:sub> NHSO <jats:sub>5</jats:sub>), in the presence of Mn ( III )-tetrakis(2,3-dimethoxyphenyl)porphyrin-acetate ( T (2,3- OMeP ) PorMnOAc ). T (2,3- OMeP ) PorMnOAc is a fairly stable catalyst, with the ability of producing hydrogen bonding. High epoxidation yield of 85 ± 6% was obtained in the presence of imidazole axial ligand with 100% selectivity in 30 min. Higher conversion of around 100% was obtained by pyridine axial base, while selectivit...
Subjects
free text keywords: General Chemistry, Pyridine, chemistry.chemical_compound, chemistry, Cyclooctene, Photochemistry, Imidazole, Ligand, Inorganic chemistry, Steric effects, Catalysis, Porphyrin, Hydrogen bond
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publication . Other literature type . Article . 2014

Investigation of axial ligand effects on catalytic activity of manganese porphyrin, evidence for the importance of hydrogen bonding in cytochrome-P450 model reactions

Elnaz Mesbahi; Nasser Safari; Mahin Gheidi;