New mechanistic insights into intramolecular aromatic ligand hydroxylation and benzyl alcohol oxidation initiated by the well-defined (μ-peroxo)diiron(III) complex

Mio Sekino; Hideki Furutachi; Rina Tojo; Ayumi Hishi; Hanako Kajikawa; Takatoshi Suzuki; Kaito Suzuki; Shuhei Fujinami; Shigehisa Akine; Yoko Sakata; Takehiro Ohta; Shinya Hayami; Masatatsu Suzuki

doi:10.1039/C7CC04382A

New mechanistic insights into intramolecular aromatic ligand hydroxylation and benzyl alcohol oxidation initiated by the well-defined (μ-peroxo)diiron(iii) complex†

Mio Sekino,^a Hideki Furutachi,

*^a Rina Tojo,^a Ayumi Hishi,^a Hanako Kajikawa,^a Takatoshi Suzuki,^a Kaito Suzuki,^a Shuhei Fujinami,^a Shigehisa Akine,

^a Yoko Sakata,^a Takehiro Ohta,^b Shinya Hayami

^c and Masatatsu Suzuki^d

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* Corresponding authors

^a Department of Chemistry, Division of Material Sciences, Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
E-mail: h-furutachi@se.kanazawa-u.ac.jp

^b Picobiology Institute, Graduate School of Life Science, University of Hyogo, Ako-gun, Hyogo 678-1297, Japan

^c Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 239-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

^d Depertment of Chemistry and Biochemistry, Graduate Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan

Abstract

A (μ-peroxo)diiron(III) complex [Fe₂(L^Ph₄)(O₂)(Ph₃CCO₂)]²⁺ (1-O₂) with a dinucleating ligand (L^Ph₄), generated from the reaction of a carboxylate bridged diiron(II) complex [Fe₂(L^Ph₄)(Ph₃CCO₂)]²⁺ (1) with dioxygen in CH₂Cl₂, provides a diiron(IV)-oxo species as an active oxidant which is involved in either aromatic ligand hydroxylation or benzyl alcohol oxidation.

Chemical Communications

New mechanistic insights into intramolecular aromatic ligand hydroxylation and benzyl alcohol oxidation initiated by the well-defined (μ-peroxo)diiron(iii) complex†

Abstract

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New mechanistic insights into intramolecular aromatic ligand hydroxylation and benzyl alcohol oxidation initiated by the well-defined (μ-peroxo)diiron(III) complex

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