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Confined Single Alkali Metal Ion Platform in a Zeolite Pore for Concerted Benzene C–H Activation to Phenol Catalysis
https://uec.repo.nii.ac.jp/records/9356
https://uec.repo.nii.ac.jp/records/935651192b5c-4bba-44d4-b084-06b9823351e3
名前 / ファイル | ライセンス | アクション |
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ACS Cat_Manuscript_rev_Iwasawa (5.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-09-24 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Confined Single Alkali Metal Ion Platform in a Zeolite Pore for Concerted Benzene C–H Activation to Phenol Catalysis | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Concerted benzene C−H functionalization | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Selective phenol synthesis | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Confined single site catalysis | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Alkali and alkaline-earth metal ions/zeolite | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Ghosh, Shilpi
× Ghosh, Shilpi× Acharyya, Shankha S.× Kaneko, Takuma× Higashi, Kotaro× Yoshida, Yusuke× Sasaki, Takehiko× Iwasawa, Yasuhiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The well-known cumene process via an explosive cumene hydroperoxide intermediate in liquid phase currently employed for phenol production is energy-intensive and not environmentally friendly. Therefore, there is a demand for an alternative single-step gas-phase catalysis process. According to the conventional catalysis concept, selective oxidation reactions are promoted by redox catalysts and not by acid–base catalysts. In general, alkali and alkaline earth metal ions cannot activate each of benzene, O2, and N2O when they adsorb separately. However, we observed an unprecedented catalysis of single alkali and alkaline earth metal ion sites incorporated into zeolite pores for the selective oxidation of benzene to phenol with N2O and O2 + NH3, thereby providing a single-site catalytic platform with high selectivity. Among alkali and alkaline earth metal ions, single Cs+ and Rb+ sites with ion diameters of >300 pm in the pores of β-zeolites exhibited remarkable selectivity for benzene C–H activation to phenol catalysis in a concerted reaction pathway. | |||||
書誌情報 |
en : ACS Catalysis 巻 8, 号 12, p. 11979-11986, 発行日 2018-12-07 |
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出版者 | ||||||
出版者 | American Chemical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2155-5435 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1021/acscatal.8b03002 | |||||
権利 | ||||||
権利情報 | ©2018 American Chemical Society | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1021/acscatal.8b03002 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |