Intramolecular Electrostatic Effects on O2, CO2, and Acetate Binding to a Cationic Iron Porphyrin.
Sign Up to like & getrecommendations! Published in 2020 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.0c02703
Abstract: Noncovalent electrostatic interactions are important in many biological and chemical reactions, especially those that involve charged intermediates. There has been a growing interest in using electrostatic ligand designs-placing charges in the second coordination sphere-to improve… read more here.
Keywords: iron porphyrin; binding; electrostatic effects; intramolecular electrostatic ... See more keywords
Perspectives on Ligand Properties of N-Heterocyclic Carbenes in Iron Porphyrin Complexes.
Sign Up to like & getrecommendations! Published in 2021 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.1c02444
Abstract: There has been considerable research interest in the ligand nature of N-heterocyclic carbenes (NHCs). In this work, two six-coordinate NHC iron porphyrin complexes [FeII(TTP)(1,3-Me2Imd)2] (TTP = tetratolylporphyrin, 1,3-Me2Imd = 1,3-dimethylimidazol-2-ylidene) and [FeIII(TDCPP)(1,3-Me2Imd)2]ClO4 (TDCPP = 5,10,15,20-tetrakis(2,6-dichlorophenyl)porphyrin)… read more here.
Keywords: porphyrin; perspectives ligand; me2imd; iron porphyrin ... See more keywords
Electron Correlation in the Iron(II) Porphyrin by Natural Orbital Functional Approximations
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Chemical Theory and Computation"
DOI: 10.1021/acs.jctc.2c01093
Abstract: The relative stability of the singlet, triplet, and quintet spin states of iron(II) porphyrin (FeP) represents a challenging problem for electronic structure methods. While it is currently accepted that the ground state is a triplet,… read more here.
Keywords: quintet; correlation; functional approximations; orbital functional ... See more keywords
Electro- and Photoinduced Interfacial Charge Transfers in Nanocrystalline Mesoporous TiO2 and TiO2/Iron Porphyrin Sensitized Films under CO2 Reduction Catalysis
Sign Up to like & getrecommendations! Published in 2022 at "ACS Applied Materials & Interfaces"
DOI: 10.1021/acsami.2c22458
Abstract: Electro- and photochemical CO2 reduction (CO2R) is the quintessence of modern-day sustainable research. We report our studies on the electro- and photoinduced interfacial charge transfer occurring in a nanocrystalline mesoporous TiO2 film and two TiO2/iron… read more here.
Keywords: tio2 iron; iron porphyrin; tio2; charge ... See more keywords
Synergism between iron porphyrin and dicationic ionic liquids: tandem CO2 electroreduction-carbonylation reactions.
Sign Up to like & getrecommendations! Published in 2022 at "Chemical communications"
DOI: 10.1039/d2cc03641j
Abstract: Here, we report a simple procedure that drastically reduces the electrochemical E(FeI/Fe0) and E0cat of the commercially available iron(III) tetraphenylporphyrin chloride (FeIIITPP·Cl) catalyst via a synergetic effect with the imidazolium dications of the ionic liquid… read more here.
Keywords: carbonylation reactions; iron porphyrin; synergism iron; tandem co2 ... See more keywords
Effects of functional groups in iron porphyrin on the mechanism and activity of oxygen reduction reaction
Sign Up to like & getrecommendations! Published in 2023 at "RSC Advances"
DOI: 10.1039/d2ra08007a
Abstract: The activity of the oxygen reduction reaction (ORR) on the cathode is one of the dominant factors in the performance of proton exchange membrane fuel cells. Iron porphyrin has low cost, environmental benignity, and maximum… read more here.
Keywords: functional groups; oxygen reduction; reduction reaction; activity ... See more keywords
Chemical, Thermal, and Radiation Resistance of an Iron Porphyrin: A Model Study of Biosignature Stability
Sign Up to like & getrecommendations! Published in 2022 at "Astrobiology"
DOI: 10.1089/ast.2021.0144
Abstract: Metal complexes of porphyrins and porphyrin-type compounds are ubiquitous in all three domains of life, with hemes and chlorophylls being the best-known examples. Their diagenetic transformation products are found as geoporphyrins, in which the characteristic… read more here.
Keywords: iron; fecl oep; radiation; porphyrin ... See more keywords
Ferrochelatase: Mapping the Intersection of Iron and Porphyrin Metabolism in the Mitochondria
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Cell and Developmental Biology"
DOI: 10.3389/fcell.2022.894591
Abstract: Porphyrin and iron are ubiquitous and essential for sustaining life in virtually all living organisms. Unlike iron, which exists in many forms, porphyrin macrocycles are mostly functional as metal complexes. The iron-containing porphyrin, heme, serves… read more here.
Keywords: intersection; heme; iron; ferrochelatase ... See more keywords
Stimulation of Akt Phosphorylation and Glucose Transport by Metalloporphyrins with Peroxynitrite Decomposition Catalytic Activity.
Sign Up to like & getrecommendations! Published in 2022 at "Catalysts"
DOI: 10.3390/catal12080849
Abstract: Iron porphyrin molecules such as hemin and iron(III) 4,4',4″,4‴-(porphine-5,10,15,20-tetrayl)tetrakis(benzoic acid) (FeTBAP) have previously been shown to influence insulin signaling and glucose metabolism. We undertook this study to determine whether a catalytic action of iron porphyrin… read more here.
Keywords: peroxynitrite decomposition; decomposition catalytic; catalytic activity; activity ... See more keywords
Isolating Fe-O2 Intermediates in Dioxygen Activation by Iron Porphyrin Complexes
Sign Up to like & getrecommendations! Published in 2022 at "Molecules"
DOI: 10.3390/molecules27154690
Abstract: Dioxygen (O2) is an environmentally benign and abundant oxidant whose utilization is of great interest in the design of bioinspired synthetic catalytic oxidation systems to reduce energy consumption. However, it is unfortunate that utilization of… read more here.
Keywords: iron; intermediates dioxygen; iron porphyrin; porphyrin complexes ... See more keywords
Green Aromatic Epoxidation with an Iron Porphyrin Catalyst for One-Pot Functionalization of Renewable Xylene, Quinoline, and Acridine
Sign Up to like & getrecommendations! Published in 2023 at "Molecules"
DOI: 10.3390/molecules28093940
Abstract: Sustainable functionalization of renewable aromatics is a key step to supply our present needs for specialty chemicals and pursuing the transition to a circular, fossil-free economy. In the present work, three typically stable aromatic compounds,… read more here.
Keywords: porphyrin catalyst; iron porphyrin; functionalization renewable; one pot ... See more keywords