Role of potassium in the aerobic oxidation of aromatic alcohols over K+-promoted Mn/C catalysts

Qinghu Tang; Tao Liu; Yanhui Yang

doi:10.1016/j.catcom.2008.07.013

Role of potassium in the aerobic oxidation of aromatic alcohols over K⁺-promoted Mn/C catalysts

Qinghu Tang, Tao Liu, Yanhui Yang

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44 引用（Scopus）

摘要

The aerobic oxidation of aromatic alcohol on alkali metal promoted Mn/C catalysts has been investigated. A dramatic improvement of the oxidation activity can be observed when the Mn/C catalyst is modified with potassium ions. Characterizations of Raman and X-ray absorption fine structure (XAFS) evidence that potassium ions induce a large local distortion to Mn-O octahedrons in supported manganese oxides with coexistence of Mn²⁺ and Mn³⁺, which has been suggested to be a vital factor to enhance the activation of O₂ for the oxidation of benzylic alcohol.

源语言	英语
页（从-至）	2570-2573
页数	4
期刊	Catalysis Communications
卷	9
期	15
DOI	https://doi.org/10.1016/j.catcom.2008.07.013
出版状态	已出版 - 20 9月 2008
已对外发布	是

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10.1016/j.catcom.2008.07.013

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title = "Role of potassium in the aerobic oxidation of aromatic alcohols over K+-promoted Mn/C catalysts",

abstract = "The aerobic oxidation of aromatic alcohol on alkali metal promoted Mn/C catalysts has been investigated. A dramatic improvement of the oxidation activity can be observed when the Mn/C catalyst is modified with potassium ions. Characterizations of Raman and X-ray absorption fine structure (XAFS) evidence that potassium ions induce a large local distortion to Mn-O octahedrons in supported manganese oxides with coexistence of Mn2+ and Mn3+, which has been suggested to be a vital factor to enhance the activation of O2 for the oxidation of benzylic alcohol.",

keywords = "Aromatic alcohol, Manganese, Molecular oxygen, Oxidation, Potassium",

author = "Qinghu Tang and Tao Liu and Yanhui Yang",

year = "2008",

month = sep,

day = "20",

doi = "10.1016/j.catcom.2008.07.013",

language = "英语",

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pages = "2570--2573",

journal = "Catalysis Communications",

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T1 - Role of potassium in the aerobic oxidation of aromatic alcohols over K+-promoted Mn/C catalysts

AU - Tang, Qinghu

AU - Liu, Tao

AU - Yang, Yanhui

PY - 2008/9/20

Y1 - 2008/9/20

N2 - The aerobic oxidation of aromatic alcohol on alkali metal promoted Mn/C catalysts has been investigated. A dramatic improvement of the oxidation activity can be observed when the Mn/C catalyst is modified with potassium ions. Characterizations of Raman and X-ray absorption fine structure (XAFS) evidence that potassium ions induce a large local distortion to Mn-O octahedrons in supported manganese oxides with coexistence of Mn2+ and Mn3+, which has been suggested to be a vital factor to enhance the activation of O2 for the oxidation of benzylic alcohol.

AB - The aerobic oxidation of aromatic alcohol on alkali metal promoted Mn/C catalysts has been investigated. A dramatic improvement of the oxidation activity can be observed when the Mn/C catalyst is modified with potassium ions. Characterizations of Raman and X-ray absorption fine structure (XAFS) evidence that potassium ions induce a large local distortion to Mn-O octahedrons in supported manganese oxides with coexistence of Mn2+ and Mn3+, which has been suggested to be a vital factor to enhance the activation of O2 for the oxidation of benzylic alcohol.

KW - Aromatic alcohol

KW - Manganese

KW - Molecular oxygen

KW - Oxidation

KW - Potassium

UR - http://www.scopus.com/inward/record.url?scp=51049092705&partnerID=8YFLogxK

U2 - 10.1016/j.catcom.2008.07.013

DO - 10.1016/j.catcom.2008.07.013

M3 - 文章

AN - SCOPUS:51049092705

SN - 1566-7367

VL - 9

SP - 2570

EP - 2573

JO - Catalysis Communications

JF - Catalysis Communications

IS - 15

ER -

Role of potassium in the aerobic oxidation of aromatic alcohols over K+-promoted Mn/C catalysts

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Role of potassium in the aerobic oxidation of aromatic alcohols over K⁺-promoted Mn/C catalysts