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Catalytic Performance of a Dicopper−Oxo Complex for Methane Hydroxylation

Yuta Hori,† Yoshihito Shiota,*,† Tomokazu Tsuji,‡ Masahito Kodera,‡ and Kazunari Yoshizawa*,† † Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, Fukuoka 819-0395, Japan ‡ Department of Molecular Chemistry and Biochemistry, Doshisha University, Kyotanabe, Kyoto 610-0321, Japan http://pubs.acs.org/doi/10.1021/acs.inorgchem.7b02563 DOI: 10.1021/acs.inorgchem.7b02563 Inorg. Chem. 2018, 57, 8−11 小寺先生と吉澤先生の論文です。 ベンゼンの水酸化で用いた銅の二核錯体を基に、DFT計算からメタンの酸化について検討されています。
Article Previous Article   Next Article   Articles ASAP Reactivity of a Cobalt(III)–Hydroperoxo Complex in Electrophilic Reactions Bongki Shin † ,  Kyle D. Sutherlin ‡ ,  Takehiro Ohta § ,  Takashi Ogura § ,  Edward I. Solomon * ‡ ∥ , and  Jaeheung Cho * † †  Department of Emerging Materials Science,  DGIST , Daegu 42988,  Korea ‡  Department of Chemistry,  Stanford University , Stanford, California 94305,  United States §  Picobiology Institute, Graduate School of Life Science,  University of Hyogo , RSC-UH LP Center, Hyogo 679-5148,  Japan ∥  Stanford Synchrotron Radiation Laboratory,  Stanford Linear Accelerator Center , Menlo Park, California 94025,  United States Inorg. Chem. , Article ASAP DOI:  10.1021/acs.inorgchem.6b02288 Publication Date (Web): November 15, 2016 Copyright © 2016 American Chemical ...

Conflicting Role of Water in the Activation of H2O2 and the Formation and Reactivity of Non-Heme FeIII–OOH and FeIII–O–FeIII Complexes at Room Temperature

Sandeep K. Padamati , Apparao Draksharapu , Duenpen Unjaroen , and Wesley R. Browne * Molecular Inorganic Chemistry, Stratingh Institute for Chemistry, Faculty of Mathematics and Natural Sciences, University of Groningen , Nijenborgh 4, 9747AG, Groningen, The Netherlands Inorg. Chem. , Article ASAP DOI: 10.1021/acs.inorgchem.5b02976 Publication Date (Web): April 13, 2016 Copyright © 2016 American Chemical Society http://pubs.acs.org/doi/abs/10.1021/acs.inorgchem.5b02976 Abstract The formation of an Fe III –OOH species by reaction of complex 1 ([(MeN3Py)Fe II (CH 3 CN) 2 ] 2+ ) with H 2 O 2 at room temperature is reported and is studied by a combination of UV/vis absorption, EPR, and resonance Raman spectroscopies. The formation of the Fe III –OOH species, and its subsequent conversion to relatively inert Fe III –O–Fe III species, is shown to be highly dependent on the concentration of water, with excess water favoring the formation of ...

A Model for the Active-Site Formation Process in DMSO Reductase Family Molybdenum Enzymes Involving Oxido−Alcoholato and Oxido−Thiolato Molybdenum(VI) Core Structures

Hideki Sugimoto * † ,  Masanori Sato † ,  Kaori Asano ‡ ,  Takeyuki Suzuki ‡ ,  Kaoru Mieda § ,  Takashi Ogura § ,  Takashi Matsumoto ⊥ ,  Logan J. Giles ∥ ,  Amrit Pokhrel ∥ ,  Martin L. Kirk * ∥ , and  Shinobu Itoh * † †  Department of Material and Life Science, Division of Advanced Science and Biotechnology, Graduate School of Engineering,  Osaka University , 2-1 Yamadaoka, Suita, Osaka 565-0871,  Japan ‡  Comprehensive Analysis Center, The Institute of Scientific and Industrial Research (ISIR),  Osaka University , 8-1 Mihogaoka, Ibaraki, Osaka 567-0057,  Japan §  Picobiology Institute, Graduate School of Life Science,  University of Hyogo, RSC-UH Leading Program Center , 1-1-1 Koto, Sayo-cho, Sayo-gun, Hyogo 678-0057,  Japan ⊥   Rigaku Corporation , Akishima, Tokyo 196-8666,  Japan ∥  Department of Chemistry and Chemical Biology,  The University of New Mexi...

Azide Binding Controlled by Steric Interactions in Second Sphere. Synthesis, Crystal Structure, and Magnetic Properties of [NiII2(L)(μ1,1-N3)][ClO4] (L = Macrocyclic N6S2 Ligand)

Alexander Jeremies † ,  Sina Gruschinski † ,  Michel Meyer * ‡ ,  Vitaly Matulis § ,  Oleg A. Ivashkevich ∥ ,  Karolin Kobalz † , and  Berthold Kersting * † †  Institut für Anorganische Chemie,  Universität Leipzig , Johannisallee 29, 04103 Leipzig,  Germany ‡  Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB), UMR 6302, CNRS,  Université de Bourgogne-Franche Comté , 9 avenue Alain Savary, BP 47870, 21078 Dijon Cedex,  France §  Research Institute for Physical Chemical Problems of Belarusian State University, Leningradskaya 14, 220030 Minsk, Belarus ∥   Belarusian State University , 4 Nezavisimisti Avenue, 220050 Minsk,  Belarus Inorg. Chem. , Article ASAP DOI:  10.1021/acs.inorgchem.5b02743 Publication Date (Web): February 2, 2016 Copyright © 2016 American Chemical Society *E-mail:  michel.meyer@u-bourgogne.fr . Fax:  +33/(0)3 80 39 61 17 ., *E-mail:  b...

Previous Article Next Article ASAP Copper Complexes with NH-Imidazolyl and NH-Pyrazolyl Units and Determination of Their Bond Dissociation Gibbs Energies

Alexander Wilting † ,  Merle Kügler † , and  Inke Siewert * † †   Georg-August-University Göttingen , Tammannstr. 4, D-37077 Göttingen,  Germany Inorg. Chem. , Article ASAP DOI:  10.1021/acs.inorgchem.5b02084 Publication Date (Web): January 20, 2016 Copyright © 2016 American Chemical Society *E-mail:  inke.siewert@chemie.uni-goettingen.de . Synopsis The bond dissociation Gibbs energy has been determined for two isoelectronic Cu complexes having an imidazole and pyrazole unit, respectively. Both complexes show a thermodynamic coupling between the redox event at the metal center and the proton transfer event at the ligand backbone. http://pubs.acs.org/doi/10.1021/acs.inorgchem.5b02084 Abstract We synthesized two dinuclear copper complexes, which have ionizable  N  imidazole and  N pyrazole protons in the ligand, respectively, and determined the BDFE of the hypothetical H atom transfer reactions Cu II (LH –1 ...

Synthesis and Catalytic Reactivity of a Dicopper(II) μ-η2:η2-Peroxo Species Supported by 1,4,7-Tri-tert-butyl-1,4,7-triazacyclononane

Inorganic Chemistry: Latest Articles (ACS Publications)  by Gregory J. Karahalis, Arumugam Thangavel, Bryant Chica, John Bacsa, R. Brian Dyer and Christopher C. Scarborough Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States O 2 -derived Cu n O 2 adducts are attractive targets for aerobic oxidation catalysis because of their remarkable reactivity, but oxidation of the supporting ligand limits catalytic turnover. We report that t Bu 3 tacn (1,4,7-tri- tert -butyl-1,4,7-triazacyclo- nonane) supports a dicopper(II) μ - η 2 : η 2 -peroxo species with the highest solution stability outside of an enzyme. Decomposition of this species proceeds without oxidation of the t Bu 3 tacn ligand. Additive-free catalytic aerobic oxidation reactions at or above room temperature are described, highlighting the potential of oxidatively robust ligands in aerobic copper catalysis. Inorganic Chemistry DOI: 10.1...