Nitrogen and oxygen-doped metal-free carbon catalysts for chemoselective transfer hydrogenation of nitrobenzene, styrene, and 3-nitrostyrene with hydrazine

Fujita, Shin-ichiro; Watanabe, Hiroyuki; Katagiri, Ayaka et al.

Journal of Molecular Catalysis A: Chemical, 2014, 393, 257-262

Permalink : https://hdl.handle.net/2115/56892

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アクセス権
open access
URI
https://hdl.handle.net/2115/56892
タイトル
Nitrogen and oxygen-doped metal-free carbon catalysts for chemoselective transfer hydrogenation of nitrobenzene, styrene, and 3-nitrostyrene with hydrazine
著者
Fujita, Shin-ichiro ; Watanabe, Hiroyuki ; Katagiri, Ayaka ; Yoshida, Hiroshi ; Arai, Masahiko
著者名
Fujita, Shin-ichiro
著者名
Watanabe, Hiroyuki
著者名
Katagiri, Ayaka
著者名
Yoshida, Hiroshi
e-Rad_Researcher
60125490
著者名
Arai, Masahiko
言語
英語
キーワード
Chemoselective hydrogenation
Hydrazine
Carbon catalyst
Nitrogen doping
Oxygen doping
発行日
2014-11-01
出版者
Elsevier
収録物名
Journal of Molecular Catalysis A: Chemical
巻(号)
393
ページ
257-262
抄録
An activatedcarbon(AC)wastreatedbyhydrogenperoxideandammoniatodopeoxygenandnitrogenon its surface.Thesurface-functionalizedACcatalystswereusedforthetransferreductionofnitrobenzene, styrene, and3-nitrostyrenebyhydrazinehydrate.Thereductionofnitrobenzeneand3-nitrostyrenewas promoted overtheoxygen-andnitrogen-dopedcatalystscomparedtotheparentACcatalyst.Thosewere less activeforthereductionofstyrenebutactiveforthereductionofvinylgroupof3-nitrostyrene.How- ever, thenitrogendopantsuppressedthereductionofvinylgroupof3-vinylaniline.Thefunctionalized AC catalystsarelikelytofacilitatetheadsorptionandactivationofnitrogroupofthenitrosubstrates through interactionswithpolarizedsurfaceinducedbytheoxygenandnitrogenheterodopants.This should makeitpossibletoreducethevinylgroupof3-nitrostyreneonthesurface.Thenitrogendopant hindered thereductionofthevinylgroupof3-vinylanilinebecausetheadsorptionthroughitsamino group shouldbecomedifficultonthesurfaceofbasicnatureinducedbythenitrogendoping.TheAC serves asanelectricalconductoranditsperformanceshouldbeenhancedbythesurfacefunctionaliza- tion andthiswouldcontributetotheformationofreducingspeciessuchasdiimideandprotonfrom hydrazine onthesurface.Thepresentresultsshowthatoxygen-and/ornitrogen-doped,functionalized carbon materialscouldbepromisingasmetal-freemulti-taskcatalysts.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
PISSN
1381-1169
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1016/j.molcata.2014.06.021