Itoh Group Literature Review

Takahiko Kojima * † ‡   ,  Fumiya Ogishima † § ,  Takahisa Nishibu † § ,  Hiroaki Kotani †   ,  Tomoya Ishizuka †   ,  Toshihiro Okajima ⊥ ,  Shunsuke Nozawa ∥ ,  Yoshihito Shiota ¶ ,  Kazunari Yoshizawa ‡ ¶   ,  Hiroyoshi Ohtsu Δ ,  Masaki Kawano Δ   ,  Takuya Shiga † , and  Hiroki Oshio †   †   Department of Chemistry, Faculty of Pure and Applied Sciences ,  University of Tsukuba ,  1-1-1 Tennoudai ,  Tsukuba ,  Ibaraki   305-8571 ,  Japan ‡   CREST, Japan Science and Technology Agency ,  4 Chome-1-8 ,  Kawaguchi, Honcho ,  Saitama   332-0012 ,  Japan ⊥   Kyushu Synchrotron Light Research Center ,  8-7 Yayoigaoka ,  Tosu ,  Saga   841-0005 ,  Japan ∥   Photon Factory, Institute of Materials Structure Science ,  High Energy Accelerator Research Organization ,  1-1 Oho ,  Tsukuba ,  Ibaraki   305-0801 ,  Japan ¶   Institute for Materials Chemistry and Engineering ,  Kyushu University ,  Motooka ,  Nishi-Ku ,  Fukuoka   819-0395 ,  Japan Δ   Department of Chemistry, School

A nonheme iron(III) terminal methoxide complex, [Fe III (N3PyO 2Ph )(OCH 3 )]ClO 4 , was synthesized. Reaction of this complex with the triphenylmethyl radical (Ph 3 C • ) leads to formation of Ph 3 COCH 3 and the one-electron-reduced iron(II) center, as seen by UV–vis, EPR,  1 H NMR, and Mössbauer spectroscopy. These results indicate that homolytic Fe–O bond cleavage occurs together with C–O bond formation, providing a direct observation of the “radical rebound” process proposed for both biological and synthetic nonheme iron centers. https://pubs.acs.org/doi/pdf/10.1021/jacs.7b12707 Thomas M. Pangia † ,  Casey G. Davies ‡ ,  Joshua R. Prendergast ‡ § ,  Jesse B. Gordon † ,  Maxime A. Siegler † ,  Guy N. L. Jameson * ‡ §   , and  David P. Goldberg * †   †   Department of Chemistry ,  The Johns Hopkins University ,  Baltimore ,  Maryland   21218 ,  United States ‡   Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology ,  University of Ot

Yan Fang Liu *   The Key Laboratory of Biobased Materials, The Qingdao Key Lab of Solar Energy Utilization and Energy Storage Technology, Qingdao Institute of Bioenergy and Bioprocess Technology ,  Chinese Academy of Sciences ,  Qingdao ,  Shandong   266101 ,  People’s Republic of China Likai Du *   Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics ,  Huazhong Agricultural University ,  Wuhan ,  430070 ,  People’s Republic of China The reactivity patterns of a series of trivalent copper complexes have been studied to gain a better understanding of the chemical reactions occurring at the active site of particulate methane monooxygenase (pMMO). In this study, hybrid density functional theory is used to study the oxidation of methane to methanol mediated by the [Cu II Cu II (μ-O) 2 Cu III (7- N -Etppz)] 1+  complex. Reaction mechanisms in different spin states were explored. Based on the calculated free-energy profile, a mechanism is sugge

Ikuko Araki ,  Kaoru Fukui , and  Hiroshi Fujii *   Department of Chemistry, Graduate School of Humanities and Sciences,  Nara Women’s University , Kitauoyanishi, Nara 630-8506,  Japan Inorg. Chem. ,  2018 ,  57  (4), pp 1685–1688 DOI:  10.1021/acs.inorgchem.7b02661 Publication Date (Web): February 5, 2018 Copyright © 2018 American Chemical Society *E-mail:  fujii@cc.nara-wu.ac.jp . Synopsis A bis-hypochlorite adduct of a manganese(IV) salen complex having a chiral  trans -cyclohexane-1,2-diamine linkage is successfully prepared and characterized by various spectroscopic methods. The manganese(IV) bis-hypochlorite complex is capable of sulfoxidation, epoxidation, chlorination, and hydrogen abstraction reactions. However, the enantioselectivity of this complex is low, which is consistent with the planar conformation of the salen ligand, as suggested by circular dichroism spectroscopy. https://pubs.acs.org/doi/pdf/10.1021/acs.inorgchem.7b02661