Nonplanar porphyrins: synthesis, properties, and unique functionalities

T Ishizuka, N Grover, CJ Kingsbury, H Kotani… - Chemical Society …, 2022 - pubs.rsc.org
Porphyrins are variously substituted tetrapyrrolic macrocycles, with wide-ranging biological
and chemical applications derived from metal chelation in the core and the 18π aromatic …

A pyridinic Fe-N4 macrocycle models the active sites in Fe/N-doped carbon electrocatalysts

T Marshall-Roth, NJ Libretto, AT Wrobel… - Nature …, 2020 - nature.com
Iron-and nitrogen-doped carbon (Fe-NC) materials are leading candidates to replace
platinum catalysts for the oxygen reduction reaction (ORR) in fuel cells; however, their active …

Electronic structures of highly deformed iron (III) porphyrin complexes

M Nakamura - Coordination Chemistry Reviews, 2006 - Elsevier
This review describes the effects of highly deformed porphyrin ring on the electronic
structures of iron (III) porphyrinates, which includes (i) the electron configurations in low-spin …

Cytochromes c':  Biological Models for the S = 3/2,5/2 Spin-State Admixture?

R Weiss, A Gold, J Terner - Chemical reviews, 2006 - ACS Publications
The electronic ground state of most known ferric heme proteins is either low-spin (S) 1/2) or
high-spin (S) 5/2). However, a small number of these proteins do not conform to this regime …

Oxo-and hydroxo-bridged diiron (III) porphyrin dimers: Inorganic and bio-inorganic perspectives and effects of intermacrocyclic interactions

T Guchhait, S Sasmal, FST Khan, SP Rath - Coordination Chemistry …, 2017 - Elsevier
Oxo-and hydroxo-bridged diiron active centers are common structural motifs found in a
variety of proteins in biology. The highly versatile oxo/hydroxo-bridged dimetallic centers …

Correlation of metal spin state with catalytic reactivity: polymerizations mediated by alpha-diimine-iron complexes

MP Shaver, LEN Allan… - Angewandte Chemie …, 2006 - research.manchester.ac.uk
The mechanism of styrene polymerization by α‐diimine iron complexes correlates with the
metal spin state of the catalyst. Experimental and theoretical studies indicate that high‐spin …

Luminescent ruffled iridium (iii) porphyrin complexes containing N-heterocyclic carbene ligands: structures, spectroscopies and potent antitumor activities under dark …

TL Lam, KC Tong, C Yang, WL Kwong, X Guan… - Chemical …, 2019 - pubs.rsc.org
A panel of iridium (III) porphyrin complexes containing axial N-heterocyclic carbene (NHC)
ligand (s) were synthesized and characterized. X-ray crystal structures of the bis-NHC …

Synthesis and Characterization of anti-bisFe(III) Porphyrins, syn-bisFe(III)-μ-oxo Porphyrin, and syn-bisFe(III)-μ-oxo Porphyrin Cation Radical

SK Ghosh, R Patra, SP Rath - Inorganic chemistry, 2010 - ACS Publications
BisFe (III) porphyrins bridged by a highly flexible ethane linker are reported in which the
bisporphyrin platform “opens” and “closes” its binding pockets leading to facile syn-anti …

Hydroxo-bridged diiron (III) and dimanganese (III) bisporphyrins: modulation of metal spins by counter anions

FST Khan, T Guchhait, S Sasmal, SP Rath - Dalton Transactions, 2017 - pubs.rsc.org
The chemistry of oxo/hydroxo-bridged diheme centers, connected covalently through
bridges, has attracted much attention recently. Close approach of the two heme centers in …

Axial ligand orientations in a distorted porphyrin macrocycle: Synthesis, structure, and properties of low-spin bis (imidazole) iron (III) and iron (II) porphyrinates

R Patra, A Chaudhary, SK Ghosh, SP Rath - Inorganic chemistry, 2010 - ACS Publications
We have reported here, for the first time, the parallel and perpendicular orientation
preferences of two planar and unhindered imidazoles as axial ligands (L) while coordinated …