Dinitrogen Activation by a Titanium/Ruthenium Heteromultimetallic Hydride Complex

A titanium/ruthenium heteromultimetallic polyhydride complex [(Cp'Ti)2(Cp*Ru)2(µ‐H)6] (3) (Cp' = C5Me4SiMe3, Cp* = C5Me5) was obtained from the reaction of [Cp'Ti(CH2SiMe3)3] (1) with [Cp*Ru(µ‐H)4RuCp*] (2) under H2. Complex 3 can readily react with N2 to give an imido/nitrido complex...

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Published inEuropean journal of inorganic chemistry Vol. 2020; no. 15-16; pp. 1418 - 1422
Main Authors Shima, Takanori, Hou, Zhaomin
Format Journal Article
LanguageEnglish
Published Weinheim Wiley Subscription Services, Inc 30.04.2020
Subjects
Activation
Dinitrogen activation
Heteromultimetallic hydrides
Hydrides
Hydrogen
Hydrogen bonds
Inorganic chemistry
Ruthenium
Titanium
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Summary:A titanium/ruthenium heteromultimetallic polyhydride complex [(Cp'Ti)2(Cp*Ru)2(µ‐H)6] (3) (Cp' = C5Me4SiMe3, Cp* = C5Me5) was obtained from the reaction of [Cp'Ti(CH2SiMe3)3] (1) with [Cp*Ru(µ‐H)4RuCp*] (2) under H2. Complex 3 can readily react with N2 to give an imido/nitrido complex [(Cp'Ti)2(Cp*Ru)2(µ‐NH)(µ‐N)(µ‐H)3] (4) via N–N bond cleavage and N–H bond formation. The result demonstrates that the heteromultimetallic hydride complexes can serve as a platform for dinitrogen activation. Reaction of the titanium alkyl complex with the dinuclear ruthenium hydride complex under H2 afforded a Ti/Ru heteromultimetallic hydride complex, which can react with N2 to give a nitrido/imido complex through the cleavage and partial hydrogenation of N2.
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ISSN:1434-1948
1099-0682
DOI:10.1002/ejic.201901290