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Formation and Reactivity of a Mn ^IV (O)(μ-O)Ce ^IV Species: A Closest Mimic of Photosystem II

https://doi.org/10.1021/jacs.4c12523

Gupta, Sikha; Arora, Pragya; Aghaei, Zahra; Singh, Baghendra; Jackson, Timothy A; Draksharapu, Apparao (January 2025, Journal of the American Chemical Society)

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Acid p K _a Dependence in O–O Bond Heterolysis of a Nonheme Fe ^III –OOH Intermediate To Form a Potent Fe ^V ═O Oxidant with Heme Compound I-Like Reactivity

https://doi.org/10.1021/jacs.9b08442

Xu, Shuangning; Draksharapu, Apparao; Rasheed, Waqas; Que, Lawrence (October 2019, Journal of the American Chemical Society)

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Sc ³⁺ -Promoted O–O Bond Cleavage of a (μ-1,2-Peroxo)diiron(III) Species Formed from an Iron(II) Precursor and O ₂ to Generate a Complex with an Fe ^IV ₂ (μ-O) ₂ Core

https://doi.org/10.1021/jacs.9b12081

Banerjee, Saikat; Draksharapu, Apparao; Crossland, Patrick M.; Fan, Ruixi; Guo, Yisong; Swart, Marcel; Que, Lawrence (March 2020, Journal of the American Chemical Society)

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Spectroscopic and Reactivity Comparisons between Nonheme Oxoiron(IV) and Oxoiron(V) Species Bearing the Same Ancillary Ligand

https://doi.org/10.1021/jacs.9b05758

Dantignana, Valeria; Serrano-Plana, Joan; Draksharapu, Apparao; Magallón, Carla; Banerjee, Saikat; Fan, Ruixi; Gamba, Ilaria; Guo, Yisong; Que, Lawrence; Costas, Miquel; et al (September 2019, Journal of the American Chemical Society)

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Unmasking Steps in Intramolecular Aromatic Hydroxylation by a Synthetic Nonheme Oxoiron(IV) Complex

https://doi.org/10.1002/anie.202108309

Sheng, Yuan; Abelson, Chase S.; Prakash, Jai; Draksharapu, Apparao; Young, Victor G.; Que, Lawrence (September 2021, Angewandte Chemie International Edition)

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Direct photochemical activation of non-heme Fe( iv )O complexes

https://doi.org/10.1039/c7cc07452b

Chen, Juan; Draksharapu, Apparao; Harvey, Emma; Rasheed, Waqas; Que, Lawrence; Browne, Wesley R. (January 2017, Chemical Communications)

Near-UV excitation of non-heme Fe IV O complexes results in light intensity dependent increase in reaction rates for the oxidation of C–H bonds even at low temperature (−30 °C). The enhancement of activity is ascribed to the ligand-to-[Fe IV O] charge transfer character of the near-UV bands to generate a highly reactive [(L + ) Fe III –O*] species. The enhancement is not observed with visible/NIR excitation of the d–d absorption bands.
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Spectroscopic and Reactivity Comparisons of a Pair of bTAML Complexes with Fe ^V ═O and Fe ^IV ═O Units

https://doi.org/10.1021/acs.inorgchem.7b00448

Pattanayak, Santanu; Jasniewski, Andrew J.; Rana, Atanu; Draksharapu, Apparao; Singh, Kundan K.; Weitz, Andrew; Hendrich, Michael; Que, Lawrence; Dey, Abhishek; Sen Gupta, Sayam (June 2017, Inorganic Chemistry)

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Spectroscopic and DFT Characterization of a Highly Reactive Nonheme Fe ^V -oxo Intermediate

https://doi.org/10.1021/jacs.7b11400

Fan, Ruixi; Serrano-Plana, Joan; Oloo, Williamson N.; Draksharapu, Apparao; Delgado-Pinar, Estefania; Company, Anna; Martin-Diaconescu, Vlad; Borrell, Margarida; Lloret-Fillol, Julio; García-España, Enrique; et al (February 2018, Journal of the American Chemical Society)

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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

https://doi.org/10.1002/chem.201902048

Banerjee, Saikat; Rasheed, Waqas; Fan, Ruixi; Draksharapu, Apparao; Oloo, Williamson N.; Guo, Yisong; Que, Jr., Lawrence (June 2019, Chemistry – A European Journal)
On the Lewis Acidity of the Oxoiron(IV) Unit in a Tetramethylcyclam Complex

https://doi.org/10.1002/chem.201704977

Klein, Johannes E.; Draksharapu, Apparao; Shokri, Alireza; Cramer, Christopher J.; Que, Jr., Lawrence (April 2018, Chemistry - A European Journal)

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