Through-Space Electrostatic Interactions Surpass Classical Through-Bond Electronic Effects in Enhancing CO2 Reduction Performance of Iron Porphyrins.
Sign Up to like & getrecommendations! Published in 2021 at "ChemSusChem"
DOI: 10.1002/cssc.202002718
Abstract: In his pioneering work to unravel the catalytic power of enzymes, Warshel has pertinently validated that electrostatic interactions play a major role in the activation of substrates. Implementing such chemical artifice in molecular catalysts may… read more here.
Keywords: electrostatic interactions; space electrostatic; interactions surpass; iron porphyrins ... See more keywords
Positive Charge on Porphyrin Ligand and Nature of Metal Center Define Basic Physicochemical Properties of Cationic Manganese and Iron Porphyrins in Aqueous Solution.
Sign Up to like & getrecommendations! Published in 2019 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.8b03381
Abstract: Recently, comprehensive studies on positively charged manganese porphyrins show that these compounds, known for their superoxide dismutase (SOD) mimetic ability, can be equally reactive toward a broad array of other redox active molecules of biological… read more here.
Keywords: cationic manganese; chemistry; charge; iron porphyrins ... See more keywords
H2S/Thiols, NO•, and NO–/HNO: Interactions with Iron Porphyrins
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.1c06427
Abstract: In the past decade, gasotransmitters NO• and H2S have been thoroughly studied in biological contexts, as their biosynthesis and physiological effects became known. Moreover, an additional intricate crosstalk reaction scheme between these compounds and related… read more here.
Keywords: thiols hno; h2s thiols; hno interactions; iron porphyrins ... See more keywords
Oxygen Reduction by Iron Porphyrins with Covalently Attached Pendent Phenol and Quinol.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.0c10385
Abstract: Phenols and quinols participate in both proton transfer and electron transfer processes in nature either in distinct elementary steps or in a concerted fashion. Recent investigations using synthetic heme/Cu models and iron porphyrins have indicated… read more here.
Keywords: reduction; quinol; iron porphyrins; phenol ... See more keywords
Amine Groups in the Second Sphere of Iron Porphyrins Allow for Higher and Selective 4e-/4H+ Oxygen Reduction Rates at Lower Overpotentials.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c13552
Abstract: Iron porphyrins with one or four tertiary amine groups in their second sphere are used to investigate the electrochemical O2 reduction reaction (ORR) in organic (homogeneous) and aqueous (heterogeneous) conditions. Both of these complexes show… read more here.
Keywords: amine groups; iron porphyrins; iron; second sphere ... See more keywords
O2 reduction by iron porphyrins with electron withdrawing groups: to scale or not to scale.
Sign Up to like & getrecommendations! Published in 2022 at "Faraday discussions"
DOI: 10.1039/d1fd00076d
Abstract: Iron porphyrins are synthesized by systematically introducing electron withdrawing groups (EWGs) on pyrroles to evaluate the relationship between rate (k) and overpotential (η). The results indicate that while EWGs lead to a rise in the… read more here.
Keywords: iron; rate; iron porphyrins; electron withdrawing ... See more keywords