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Reactions of Nitrogen Oxides with Heme Models: Spectral Characterization of an Elusive Five‐Coordinate Fe III (porphyrin) Nitrito Intermediate
Author(s) -
Kurtikyan Tigran S.,
Ford Peter C.
Publication year - 2006
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200502409
Subject(s) - porphyrin , chemistry , ligand (biochemistry) , heme , tetra , crystallography , nitrogen , stereochemistry , photochemistry , medicinal chemistry , organic chemistry , biochemistry , receptor , enzyme
The famous five : The elusive five‐coordinate nitrito complexes [Fe III (por)(ONO)] (por= meso ‐tetraphenylporphyrinato dianion or meso ‐tetra‐ p ‐tolylporphyrinato dianion) have been obtained by interaction of low‐pressure NO 2 with sublimed layers of [Fe II (por)]. Spectral data confirm that the NO 2 − ligand prefers to bind through O coordination but adopts the N‐bonded configuration when the second axial site is occupied (R=Ph, p ‐tolyl).