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Bieza S, Mazzeo A, Pellegrino J, Doctorovich F. H 2S/Thiols, NO •, and NO -/HNO: Interactions with Iron Porphyrins. ACS OMEGA 2022; 7:1602-1611. [PMID: 35071856 PMCID: PMC8771695 DOI: 10.1021/acsomega.1c06427] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/17/2021] [Indexed: 05/14/2023]
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 species is thought to exist as part of the cascade signaling processes in physiological conditions. In this context, heme enzymes, as modeled by iron porphyrins, play a central role in catalyzing the key interconversions involved. In this work, iron porphyrin interactions with sulfide and nitric-oxide-related species are described. The stability and reactivity of mixed ternary systems are also described, and future perspectives are discussed.
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Hong S, Yan JJ, Karmalkar DG, Sutherlin KD, Kim J, Lee YM, Goo Y, Mascharak PK, Hedman B, Hodgson KO, Karlin KD, Solomon EI, Nam W. A mononuclear nonheme {FeNO} 6 complex: synthesis and structural and spectroscopic characterization. Chem Sci 2018; 9:6952-6960. [PMID: 30210769 PMCID: PMC6124912 DOI: 10.1039/c8sc01962b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 07/18/2018] [Indexed: 01/19/2023] Open
Abstract
While the synthesis and characterization of {FeNO}7,8,9 complexes have been well documented in heme and nonheme iron models, {FeNO}6 complexes have been less clearly understood. Herein, we report the synthesis and structural and spectroscopic characterization of mononuclear nonheme {FeNO}6 and iron(iii)-nitrito complexes bearing a tetraamido macrocyclic ligand (TAML), such as [(TAML)FeIII(NO)]- and [(TAML)FeIII(NO2)]2-, respectively. First, direct addition of NO(g) to [FeIII(TAML)]- results in the formation of [(TAML)FeIII(NO)]-, which is sensitive to moisture and air. The spectroscopic data of [(TAML)FeIII(NO)]-, such as 1H nuclear magnetic resonance and X-ray absorption spectroscopies, combined with computational study suggest the neutral nature of nitric oxide with a diamagnetic Fe center (S = 0). We also provide alternative pathways for the generation of [(TAML)FeIII(NO)]-, such as the iron-nitrite reduction triggered by protonation in the presence of ferrocene, which acts as an electron donor, and the photochemical iron-nitrite reduction. To the best of our knowledge, the present study reports the first photochemical nitrite reduction in nonheme iron models.
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Affiliation(s)
- Seungwoo Hong
- Department of Chemistry and Nano Science , Ewha Womans University , Seoul 03760 , Korea . .,Department of Chemistry , Sookmyung Women's University , Seoul 04310 , Korea
| | - James J Yan
- Department of Chemistry , Stanford University , Stanford , California 94305 , USA .
| | - Deepika G Karmalkar
- Department of Chemistry and Nano Science , Ewha Womans University , Seoul 03760 , Korea .
| | - Kyle D Sutherlin
- Department of Chemistry , Stanford University , Stanford , California 94305 , USA .
| | - Jin Kim
- Department of Chemistry and Nano Science , Ewha Womans University , Seoul 03760 , Korea .
| | - Yong-Min Lee
- Department of Chemistry and Nano Science , Ewha Womans University , Seoul 03760 , Korea .
| | - Yire Goo
- Department of Chemistry and Nano Science , Ewha Womans University , Seoul 03760 , Korea .
| | - Pradip K Mascharak
- Department of Chemistry and Biochemistry , University of California , Santa Cruz , California 95064 , USA
| | - Britt Hedman
- Stanford Synchrotron Radiation Lightsource , SLAC National Accelerator Laboratory , Stanford University , California 94025 , USA . ;
| | - Keith O Hodgson
- Department of Chemistry , Stanford University , Stanford , California 94305 , USA . .,Stanford Synchrotron Radiation Lightsource , SLAC National Accelerator Laboratory , Stanford University , California 94025 , USA . ;
| | - Kenneth D Karlin
- Department of Chemistry , The Johns Hopkins University , Baltimore , Maryland 21218 , USA .
| | - Edward I Solomon
- Department of Chemistry , Stanford University , Stanford , California 94305 , USA . .,Stanford Synchrotron Radiation Lightsource , SLAC National Accelerator Laboratory , Stanford University , California 94025 , USA . ;
| | - Wonwoo Nam
- Department of Chemistry and Nano Science , Ewha Womans University , Seoul 03760 , Korea . .,School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , P. R. China
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Reed CJ, Agapie T. Tetranuclear Fe Clusters with a Varied Interstitial Ligand: Effects on the Structure, Redox Properties, and Nitric Oxide Activation. Inorg Chem 2018; 56:13360-13367. [PMID: 29052979 DOI: 10.1021/acs.inorgchem.7b02114] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A new series of tetranuclear Fe clusters displaying an interstitial μ4-F ligand was prepared for a comparison to previously reported μ4-O analogues. With a single nitric oxide (NO) coordinated as a reporter of small-molecule activation, the μ4-F clusters were characterized in five redox states, from FeII3{FeNO}8 to FeIII3{FeNO}7, with NO stretching frequencies ranging from 1680 to 1855 cm-1, respectively. Despite accessing more reduced states with an F- bridge, a two-electron reduction of the distal Fe centers is necessary for the μ4-F clusters to activate NO to the same degree as the μ4-O system; consequently, NO reactivity is observed at more positive potentials with μ4-O than μ4-F. Moreover, the μ4-O ligand better translates redox changes of remote metal centers to diatomic ligand activation. The implication for biological active sites is that the higher-charge bridging ligand is more effective in tuning cluster properties, including the involvement of remote metal centers, for small-molecule activation.
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Affiliation(s)
- Christopher J Reed
- Division of Chemistry and Chemical Engineering, California Institute of Technology , Pasadena, California 91125, United States
| | - Theodor Agapie
- Division of Chemistry and Chemical Engineering, California Institute of Technology , Pasadena, California 91125, United States
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Kurtikyan TS, Hovhannisyan AA, Ford PC. Six-Coordinate Ferrous Nitrosyl Complex Fe II(TTP)(PMe 3)(NO) (TTP = meso-Tetra-p-tolylporphyrinato Dianion). Inorg Chem 2016; 55:9517-9520. [PMID: 27643944 DOI: 10.1021/acs.inorgchem.6b01744] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Low-temperature in situ Fourier transform infrared and UV-vis measurements show that trimethylphosphine (PMe3) reacts with microporous layers of FeII(TTP)(NO) (TTP = meso-tetra-p-tolylporphyrinato dianion; NO = nitric oxide) to form the previously unknown six-coordinate complex FeII(TTP)(PMe3)(NO). Upon warming this compound to room temperature in the presence of excess phosphine, the NO ligand is completely replaced by phosphine, resulting in formation of the bis(trimethylphosphine) complex FeII(TTP)(PMe3)2. Simultaneously, the NO released oxidizes free PMe3 to the corresponding phosphine oxide (OPMe3) with concomitant formation of nitrous oxide (N2O).
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Affiliation(s)
- Tigran S Kurtikyan
- Molecule Structure Research Centre of the Scientific and Technological Centre of Organic and Pharmaceutical Chemistry NAS , 0014 Yerevan, Armenia
| | - Astghik A Hovhannisyan
- Molecule Structure Research Centre of the Scientific and Technological Centre of Organic and Pharmaceutical Chemistry NAS , 0014 Yerevan, Armenia
| | - Peter C Ford
- Department of Chemistry and Biochemistry, University of California, Santa Barbara , Santa Barbara, California 93106-9510, United States
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Huang G, Wang WL, Ning XX, Liu Y, Zhao SK, Guo YA, Wei SJ, Zhou H. Interesting Green Catalysis of Cyclohexane Oxidation over Metal Tetrakis(4-carboxyphenyl)porphyrins Promoted by Zinc Sulfide. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b00061] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Guan Huang
- College of Chemistry and Chemical
Engineering, Guangxi University, Nanning 530004, China
| | - Wei Lai Wang
- College of Chemistry and Chemical
Engineering, Guangxi University, Nanning 530004, China
| | - Xing Xing Ning
- College of Chemistry and Chemical
Engineering, Guangxi University, Nanning 530004, China
| | - Yao Liu
- College of Chemistry and Chemical
Engineering, Guangxi University, Nanning 530004, China
| | - Shu Kai Zhao
- College of Chemistry and Chemical
Engineering, Guangxi University, Nanning 530004, China
| | - Yong-An Guo
- College of Chemistry and Chemical
Engineering, Guangxi University, Nanning 530004, China
| | - Su Juan Wei
- College of Chemistry and Chemical
Engineering, Guangxi University, Nanning 530004, China
| | - Hong Zhou
- College of Chemistry and Chemical
Engineering, Guangxi University, Nanning 530004, China
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Theoretical investigation of the interaction between aromatic sulfur compounds and [BMIM](+)[FeCl4](-) ionic liquid in desulfurization: A novel charge transfer mechanism. J Mol Graph Model 2015; 59:40-9. [PMID: 25900860 DOI: 10.1016/j.jmgm.2015.03.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 03/16/2015] [Accepted: 03/26/2015] [Indexed: 11/24/2022]
Abstract
In this work, interaction nature between a group of aromatic sulfur compounds and [BMIM](+)[FeCl4](-) have been investigated by density functional theory (DFT). A coordination structure is found to be critical to the mechanism of extractive desulfurization. Interaction energy and extractive selectivity follow the order: thiophene (TH)<dibenzothiophene (DBT)≈benzothiophene (BT). Alkylation of TH or BT (e.g. 3-methylthiophene, and 3-methylbenzothiophene) leads to a stronger interaction with ionic liquid, but steric hindrance effects of some alkylic derivatives (e.g. 2,7-dimethylbenzothiophene) lead to a weaker interaction with ionic liquid. The mechanism of extractive desulfurization is attributed to the charge transfer effect. During extractive desulfurization, electrons on aromatic sulfur compounds transfer into the Lewis part of ionic liquid, namely, [FeCl4](-). Furthermore, it is better to consider the Lewis acidity of Fe-containing ionic liquid by the whole unit (such as [FeCl4](-) and aromatic sulfur compounds (X)) rather than only Fe or S atom.
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Yokoyama A, Cho KB, Karlin KD, Nam W. Reactions of a chromium(III)-superoxo complex and nitric oxide that lead to the formation of chromium(IV)-oxo and chromium(III)-nitrito complexes. J Am Chem Soc 2013; 135:14900-3. [PMID: 24066924 DOI: 10.1021/ja405891n] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The reaction of an end-on Cr(III)-superoxo complex bearing a 14-membered tetraazamacrocyclic TMC ligand, [Cr(III)(14-TMC)(O2)(Cl)](+), with nitric oxide (NO) resulted in the generation of a stable Cr(IV)-oxo species, [Cr(IV)(14-TMC)(O)(Cl)](+), via the formation of a Cr(III)-peroxynitrite intermediate and homolytic O-O bond cleavage of the peroxynitrite ligand. Evidence for the latter comes from electron paramagnetic resonance spectroscopy, computational chemistry and the observation of phenol nitration chemistry. The Cr(IV)-oxo complex does not react with nitrogen dioxide (NO2), but reacts with NO to afford a Cr(III)-nitrito complex, [Cr(III)(14-TMC)(NO2)(Cl)](+). The Cr(IV)-oxo and Cr(III)-nitrito complexes were also characterized spectroscopically and/or structurally.
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Affiliation(s)
- Atsutoshi Yokoyama
- Department of Bioinspired Science and Department of Chemistry and Nano Science, Ewha Womans University , Seoul 120-750, Korea
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