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Molecular orbital study of porphyrin–substrate interactions in cytochrome P450 catalysed aromatic hydroxylation of substituted anilines by Olga Zakharieva; Michael Grodzicki; Alfred X Trautwein; Cees Veeger; Ivonne M.C.M Rietjens is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Molecular orbital study of porphyrin–substrate interactions in cytochrome P450 catalysed aromatic hydroxylation of substituted anilines about?
The reaction mechanism for the primary reaction step of the hydroxylation of 3-fluoro-6-methylaniline, attacked at Ž different positions oxygen attack across a C᎐C bond and direct attack at positions para and ortho with respect to . y the NH -group catalysed by a high-valent ferryl-oxo porphyrin a -cation complex with H CS as an axial ligand, 2 2 u 3 has been investigated on the basis of electronic structure calculations in local spin-density approximation. Non-repulsive potential curves are obtained only in cases of direct attack at the para-and ortho-positions with respect to NH , 2 but not for epoxide formation. Comparing the potential curves for the hydroxylation at the positions para and ortho to the NH -group, an attack at the para-position is more likely. The relative orientation of the substrate towards the 2 porphyrin is essentially determined by the interaction between the substituents of the substrate and the porphyrin. Consequently, different geometrical orientations of the substrate are obtained for hydroxylation at the para-and ortho-positions. In both cases of direct attack the substrate plane is not parallel to the porphyrin plane. The decisive Ž . role of sulphur i
Who reads Molecular orbital study of porphyrin–substrate interactions in cytochrome P450 catalysed aromatic hydroxylation of substituted anilines?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Olga Zakharieva; Michael Grodzicki; Alfred X Trautwein; Cees Veeger; Ivonne M.C.M Rietjens
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0301-4622)
- Published
- 1998
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)