Cobalt(ii)-catalyzed benzylic oxidations with potassium persulfate in TFA/TFAA

Li Tianlei; Li Jishun; Zhu Zihao; Pan Weidong; Wu Song

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Cobalt(ii)-catalyzed benzylic oxidations with potassium persulfate in TFA/TFAA

机译：钴（ii） - 在TFA / TFAA中具有过硫酸钾的催化苄基氧化

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A cobalt-catalyzed C(sp(3))-H oxygenation reaction to furnish aldehyde was herein reported. This transformation demonstrated high chemo-selectivity, and tolerated various methylarenes bearing electron-withdrawing substituents. This reaction provided rapid access to diverse aldehydes form methylarenes. Notably, TFA/TFAA was used for the first time as a mixed solvent in cobalt-catalyzed oxygenation of benzylic methylenes.

机译：本文报道了一种钴催化的C（SP（3）） - H氧化反应以提供醛。该转化展示了高化学选择性，并耐受携带电子取代基的各种甲基溴。该反应提供了快速进入不同醛形成甲基溴。值得注意的是，TFA / TFAA首次使用作为苄基甲基甲基钴的钴催化氧合的混合溶剂。

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来源
《RSC Advances》 |2019年第36期|共5页
作者
Li Tianlei; Li Jishun; Zhu Zihao; Pan Weidong; Wu Song;
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作者单位

Chinese Acad Med Sci Peking Union Med Coll Inst Mat Med State Key Lab Bioact Subst &

Funct Nat Med Beijing 100005 Peoples R China;

Chinese Acad Med Sci Peking Union Med Coll Inst Mat Med State Key Lab Bioact Subst &

Funct Nat Med Beijing 100005 Peoples R China;

Chinese Acad Med Sci Peking Union Med Coll Inst Mat Med State Key Lab Bioact Subst &

Funct Nat Med Beijing 100005 Peoples R China;

Guizhou Med Univ State Key Lab Funct &

Applicat Med Plants Guiyang 550014 Guizhou Peoples R China;

Chinese Acad Med Sci Peking Union Med Coll Inst Mat Med State Key Lab Bioact Subst &

Funct Nat Med Beijing 100005 Peoples R China;

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正文语种 eng
中图分类化学;
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1. Cobalt(ii)-catalyzed benzylic oxidations with potassium persulfate in TFA/TFAA [J] . Li Tianlei, Li Jishun, Zhu Zihao, RSC Advances . 2019,第36期

机译：钴（ii） - 在TFA / TFAA中具有过硫酸钾的催化苄基氧化
2. Room-temperature direct benzylic oxidation catalyzed by cobalt(II) perchlorate [J] . Yang Yiwen, Ma Hongxia Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2016,第47期

机译：高氯酸钴（II）催化的室温直接苄氧化
3. N-hydroxyphthalimide/cobalt(II) catalyzed low temperature benzylic oxidation using molecular oxygen [J] . Wentzel BB., Alsters PL., Feiters MC., Tetrahedron . 2000,第39期

机译：N-羟基邻苯二甲酰亚胺/钴（II）分子氧催化低温苄氧化
4. REMEDIATION OF SOIL AND GROUND WATER CONTAMINATED WITH PAH USING HEAT AND Fe(II)-EDTA CATALYZED PERSULFATE OXIDATION [C] . Farhad Nadim, Kun-Chang Huang, Amine M. Dahmani Mid-Atlantic Industrial Hazardous Waste Conference . 2004

机译：使用热量和Fe（II）催化过硫酸盐氧化治疗PAH污染土壤和地面水的整理
5. Cyclic Peroxide Methodologies: I. Synthesis of 10,12-Peroxycalamenene Using an SN1-type Reaction to Construct the 1,2-Dioxepane Ring. II. Cobalt-Catalyzed C-Br Bond Activation to Form 1,2-Dioxolanes [D] . Witthoft, Luke. 2018

机译：环状过氧化物方法：I.使用SN1型反应合成10,12-过氧哒甘油，以构建1,2-二氧己烯环。 II。钴催化的C-Br键活化以形成1,2-二氧戊烷
6. Bi(TFA)3 and Bi(OTf)3 Catalyzed Conversions of Epoxides to Thiiranes with Ammonium Thiocyanate and Thiourea under Non-Aqueous Conditions [O] . Iraj Mohammadpoor-Baltork, Ahmad R. Khosropour 2001

机译：Bi（TFA）3和Bi（OTf）3在非水条件下用硫氰酸铵和硫脲催化环氧化物转化为噻喃类化合物
7. (Schiff Base)Mn(III)-Catalyzed Oxidation of Benzylic Hydrocarbons Using Iodosobenzene as the Oxidant [O] . Nam Ho Lee, Jong Chul Byun, Tae-heon Oh, 2004

机译：（schiff碱）以碘代苯为氧化剂的mn（III）催化氧化苄基烃
8. Autoxidation of 2-Mercaptoethanol Catalyzed by Cobalt(II)Phthalocyaninetetrasulfonate on Colloidal Particles [R] . Babu, S. H., Ford, W. T. 1992

机译：铈（Ⅱ）酞菁四磺酸盐催化自催化2-巯基乙醇在胶体颗粒上的催化作用

Cobalt(ii)-catalyzed benzylic oxidations with potassium persulfate in TFA/TFAA

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