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N

N -

Ru

C12A7:e

H H

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H H

Hydride

Electron

Angewwww. Chem. Int. Ed.d. (2018); ); ACS S Catalal.l. (2016);ngeww Chem. In. CwwwwChem. Sci.

nt. Edm. Ini.i (2016);

2018)dd. 2(2);)); Nat.

; CSACS Ca18));t.t Commun

Caunun.

all. 2016(2(aaataann. (2015);Chem. S

ACS cii.m. S

S S Catal(2

alal.016)); atNat. ommuCo unn. 2015);(2(020(2

ll. (2014); Nat. Chem. (2012)

SrMnO3 BaFeO3– BaRuO3

ChemCatChemm (2016)ChemCatChemACS Omega

2016)(2emma a (2017)

)) Chem. m. Communun. n. (2018) ACS Appl. Mater. r. Interfacess (2018)“Back Cover” “Inside back cover”

HMF

OHO O

FDCA

OHO OH

O O

ChemSusChemm (2017)ChemSusChemm 2017)(2Selected as “Back cover”

Large-Scale ProductionSimple system

AMF

OH2N NH2

J. Am. Chem. Soc.c. (2017)Am. Chem. SocChem. Sci.

cc. 201(2 Soci. i (2018)

Ru/Nbb2bb2OOO5Ru/NNHHH3

Nbbb2OOOOu/NHHH3+HHHH2

MnOO2MnOO2OOOO2

Caronon-n-SOO3O3HCaroonn OSSOO3HHHPhosphate/TiOOO2

Acetal

OHO O

O

CePOO4CePOO4MeOH

Chem. Sci.i. (2017)

Naturee (2005); C OSSOOO

); J. Am. Chem. SocHHHH

oc. (2008);); J. Am. Chem. Sococ. (2011);); J. Phys. Chem. CC (2013)

Reaction field for multielectron transfer

O2 2O2O22–e 2e

MO

OM

MO

AlkaneAlcohol,etc.

R

RO

O2–e

Metal oxide materials

Electrophilic oxidant

MO

OM

MO

AlkaneAlcohol,etc.

R

RO