Search Results - "Oloo, Williamson N"

Acid‐Triggered O−O Bond Heterolysis of a Nonheme FeIII(OOH) Species for the Stereospecific Hydroxylation of Strong C−H Bonds by Serrano‐Plana, Joan, Acuña‐Parés, Ferran, Dantignana, Valeria, Oloo, Williamson N., Castillo, Esther, Draksharapu, Apparao, Whiteoak, Christopher J., Martin‐Diaconescu, Vlad, Basallote, Manuel G., Luis, Josep M., Que, Lawrence, Costas, Miquel, Company, Anna

“…A novel hydroperoxoiron(III) species [FeIII(OOH)(MeCN)(PyNMe3)]2+ (3) has been generated by reaction of its ferrous precursor [FeII(CF3SO3)2(PyNMe3)] (1) with…”
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Bioinspired Nonheme Iron Catalysts for C–H and CC Bond Oxidation: Insights into the Nature of the Metal-Based Oxidants by Oloo, Williamson N, Que, Lawrence

“…Recent efforts to design synthetic iron catalysts for the selective and efficient oxidation of C–H and CC bonds have been inspired by a versatile family of…”
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Rate-determining water-assisted O-O bond cleavage of an Fe(III)-OOH intermediate in a bio-inspired nonheme iron-catalyzed oxidation by Oloo, Williamson N, Fielding, Andrew J, Que, Jr, Lawrence

“…Hydrocarbon oxidations by bio-inspired nonheme iron catalysts and H2O2 have been proposed to involve an Fe(III)-OOH intermediate that decays via a…”
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Trapping a Highly Reactive Nonheme Iron Intermediate That Oxygenates Strong CH Bonds with Stereoretention by Serrano-Plana, Joan, Oloo, Williamson N, Acosta-Rueda, Laura, Meier, Katlyn K, Verdejo, Begoña, García-España, Enrique, Basallote, Manuel G, Münck, Eckard, Que, Lawrence, Company, Anna, Costas, Miquel

“…An unprecedentedly reactive iron species (2) has been generated by reaction of excess peracetic acid with a mononuclear iron complex [FeII(CF3SO3)2(PyNMe3)]…”
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Spectroscopic and DFT Characterization of a Highly Reactive Nonheme FeV–Oxo Intermediate by Fan, Ruixi, Serrano-Plana, Joan, Oloo, Williamson N, Draksharapu, Apparao, Delgado-Pinar, Estefanía, Company, Anna, Martin-Diaconescu, Vlad, Borrell, Margarida, Lloret-Fillol, Julio, García-España, Enrique, Guo, Yisong, Bominaar, Emile L, Que, Lawrence, Costas, Miquel, Münck, Eckard

“…The reaction of [(PyNMe3)­FeII(CF3SO3)2], 1, with excess peracetic acid at −40 °C generates a highly reactive intermediate, 2b(PAA), that has the fastest rate…”
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Modeling TauD‑ J : A High-Spin Nonheme Oxoiron(IV) Complex with High Reactivity toward C–H Bonds by Biswas, Achintesh N, Puri, Mayank, Meier, Katlyn K, Oloo, Williamson N, Rohde, Gregory T, Bominaar, Emile L, Münck, Eckard, Que, Lawrence

“…High-spin oxoiron(IV) species are often implicated in the mechanisms of nonheme iron oxygenases, their C–H bond cleaving properties being attributed to the…”
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Identification of a low-spin acylperoxoiron(III) intermediate in bio-inspired non-heme iron-catalysed oxidations by Oloo, Williamson N., Meier, Katlyn K., Wang, Yong, Shaik, Sason, Münck, Eckard, Que, Lawrence

“…Synthetically useful hydrocarbon oxidations are catalysed by bio-inspired non-heme iron complexes using hydrogen peroxide as oxidant, and carboxylic acid…”
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C–H Bond Cleavage by Bioinspired Nonheme Oxoiron(IV) Complexes, Including Hydroxylation of n‑Butane by Kleespies, Scott T, Oloo, Williamson N, Mukherjee, Anusree, Que, Lawrence

“…The development of efficient and selective hydrocarbon oxidation processes with low environmental impact remains a major challenge of the 21st century because…”
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Nonheme Diiron Oxygenase Mimic That Generates a Diferric–Peroxo Intermediate Capable of Catalytic Olefin Epoxidation and Alkane Hydroxylation Including Cyclohexane by Oloo, Williamson N, Szávuly, Miklós, Kaizer, József, Que, Lawrence

“…Herein are described substrate oxidations with H2O2 catalyzed by [FeII(IndH)­(CH3CN)3]­(ClO4)2 [IndH = 1,3-bis­(2′-pyridylimino)­isoindoline], involving a…”
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NMR and Mössbauer Studies Reveal a Temperature-Dependent Switch from S = 1 to 2 in a Nonheme Oxoiron(IV) Complex with Faster C-H Bond Cleavage Rates by Rasheed, Waqas, Pal, Nabhendu, Aboelenen, Ahmed M, Banerjee, Saikat, Oloo, Williamson N, Klein, Johannes E M N, Fan, Ruixi, Xiong, Jin, Guo, Yisong, Que, Jr, Lawrence

“…= 2 Fe ═O centers generated in the active sites of nonheme iron oxygenases cleave substrate C-H bonds at rates significantly faster than most known synthetic…”
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NMR Reveals That a Highly Reactive Nonheme Fe IV =O Complex Retains Its Six-Coordinate Geometry and S=1 State in Solution by Banerjee, Saikat, Rasheed, Waqas, Fan, Ruixi, Draksharapu, Apparao, Oloo, Williamson N, Guo, Yisong, Que, Jr, Lawrence

“…The [Fe (O)(Me NTB)] (Me NTB=tris[(1-methyl-benzimidazol-2-yl)methyl]amine) complex 1 has been shown by Mössbauer spectroscopy to have an S=1 ground state at 4…”
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Equilibrating (L)FeIII–OOAc and (L)FeV(O) Species in Hydrocarbon Oxidations by Bio-Inspired Nonheme Iron Catalysts Using H2O2 and AcOH by Oloo, Williamson N, Banerjee, Rahul, Lipscomb, John D, Que, Lawrence

“…Inspired by the remarkable chemistry of the family of Rieske oxygenase enzymes, nonheme iron complexes of tetradentate N4 ligands have been developed to…”
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NMR Reveals That a Highly Reactive Nonheme FeIV=O Complex Retains Its Six‐Coordinate Geometry and S=1 State in Solution by Banerjee, Saikat, Rasheed, Waqas, Fan, Ruixi, Draksharapu, Apparao, Oloo, Williamson N., Guo, Yisong, Que, Lawrence

“…The [FeIV(O)(Me3NTB)]2+ (Me3NTB=tris[(1‐methyl‐benzimidazol‐2‐yl)methyl]amine) complex 1 has been shown by Mössbauer spectroscopy to have an S=1 ground state…”
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Equilibrating (L)Fe III -OOAc and (L)Fe V (O) Species in Hydrocarbon Oxidations by Bio-Inspired Nonheme Iron Catalysts Using H 2 O 2 and AcOH by Oloo, Williamson N, Banerjee, Rahul, Lipscomb, John D, Que, Jr, Lawrence

“…Inspired by the remarkable chemistry of the family of Rieske oxygenase enzymes, nonheme iron complexes of tetradentate N4 ligands have been developed to…”
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H2O2 activation with biomimetic non-haem iron complexes and AcOH: connecting the g = 2.7 EPR signal with a visible chromophore by Makhlynets, Olga V, Oloo, Williamson N, Moroz, Yurii S, Belaya, Irina G, Palluccio, Taryn D, Filatov, Alexander S, Müller, Peter, Cranswick, Matthew A, Que, Jr, Lawrence, Rybak-Akimova, Elena V

“…Mechanistic studies of H2O2 activation by complexes related to [(BPMEN)Fe(II)(CH3CN)2](2+) with electron-rich pyridines revealed that a new intermediate formed…”
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A chameleon catalyst for nonheme iron-promoted olefin oxidation by Iyer, Shyam R, Javadi, Maedeh Moshref, Feng, Yan, Hyun, Min Young, Oloo, Williamson N, Kim, Cheal, Que, Jr, Lawrence

“…We report the chameleonic reactivity of two nonheme iron catalysts for olefin oxidation with H2O2 that switch from nearly exclusive cis-dihydroxylation of…”
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Palladium(IV) Monohydrocarbyls: Mechanistic Study of the Ligand-Enabled Oxidation of Palladium(II) Complexes with H2O2 in Water by Oloo, Williamson N, Zavalij, Peter Y, Vedernikov, Andrei N

“…A detailed mechanistic study of the di(2-pyridyl)ketone (dpk)-enabled oxidation with H2O2 in water of a series of monohydrocarbylpalladium(II) complexes…”
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Spectroscopic and DFT Characterization of a Highly Reactive Nonheme Fe V -Oxo Intermediate by Fan, Ruixi, Serrano-Plana, Joan, Oloo, Williamson N, Draksharapu, Apparao, Delgado-Pinar, Estefanía, Company, Anna, Martin-Diaconescu, Vlad, Borrell, Margarida, Lloret-Fillol, Julio, García-España, Enrique, Guo, Yisong, Bominaar, Emile L, Que, Jr, Lawrence, Costas, Miquel, Münck, Eckard

“…The reaction of [(PyNMe )Fe (CF SO ) ], 1, with excess peracetic acid at -40 °C generates a highly reactive intermediate, 2b(PAA), that has the fastest rate to…”
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Acid-Triggered O-O Bond Heterolysis of a Nonheme Fe III (OOH) Species for the Stereospecific Hydroxylation of Strong C-H Bonds by Serrano-Plana, Joan, Acuña-Parés, Ferran, Dantignana, Valeria, Oloo, Williamson N, Castillo, Esther, Draksharapu, Apparao, Whiteoak, Christopher J, Martin-Diaconescu, Vlad, Basallote, Manuel G, Luis, Josep M, Que, Jr, Lawrence, Costas, Miquel, Company, Anna

“…A novel hydroperoxoiron(III) species [Fe (OOH)(MeCN)(PyNMe )] (3) has been generated by reaction of its ferrous precursor [Fe (CF SO ) (PyNMe )] (1) with…”
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Rate-Determining Water-Assisted O–O Bond Cleavage of an Fe III -OOH Intermediate in a Bio-inspired Nonheme Iron-Catalyzed Oxidation by Oloo, Williamson N., Fielding, Andrew J., Que, Lawrence

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