Mechanisms of Metal-Free Aerobic Oxidation To Prepare Benzoxazole Catalyzed by Cyanide: A Direct Cyclization or Stepwise Oxidative Dehydrogenation and Cyclization?

2016 ◽  
Vol 81 (22) ◽  
pp. 10857-10862 ◽  
Author(s):  
Weiqiang Chen ◽  
Weili An ◽  
Yongjian Wang ◽  
Ao Yu
Keyword(s):  
Oxidative Dehydrogenation ◽  
Aerobic Oxidation ◽  
Metal Free

Metal-free visible-light-induced aerobic oxidation of α-diazoesters leading to α-ketoesters in air

2021 ◽  
Author(s):  
Ruisheng Liu ◽  
Qishun Liu ◽  
Haoran Meng ◽  
Hongyu Ding ◽  
Jindong Hao ◽  
...  
Keyword(s):  
Visible Light ◽  
Room Temperature ◽  
Aerobic Oxidation ◽  
Metal Free

A metal-free and visible-light-induced strategy has been established for the construction of α-ketoesters via aerobic oxidation of α-diazoesters with dioxygen in air at room temperature.

Bifunctional metal-free photo-organocatalysts for enantioselective aerobic oxidation of β-dicarbonyl compounds

Tetrahedron ◽  
2018 ◽  
Vol 74 (27) ◽  
pp. 3624-3633 ◽  
Author(s):  
Xiao-fei Tang ◽  
Shi-hao Feng ◽  
Ya-kun Wang ◽  
Fan Yang ◽  
Ze-hao Zheng ◽  
...  
Keyword(s):  
Aerobic Oxidation ◽  
Dicarbonyl Compounds ◽  
Metal Free

scholarly journals Boron-doped graphene as a metal-free catalyst for gas-phase oxidation of benzyl alcohol to benzaldehyde

RSC Advances ◽  
2018 ◽  
Vol 8 (20) ◽  
pp. 11222-11229 ◽  
Author(s):  
Wenjun Cheng ◽  
Xueting Liu ◽  
Na Li ◽  
Jiatong Han ◽  
Shuangming Li ◽  
...  
Keyword(s):  
Benzyl Alcohol ◽  
Gas Phase ◽  
Oxidative Dehydrogenation ◽  
Metal Free ◽  
Boron Doped ◽  
Oxidation Of Benzyl Alcohol ◽  
Phase Oxidation ◽  
Doped Graphene ◽  
Gas Phase Oxidation ◽  
Dehydrogenation Reactions

Boron doped graphene for the oxidative dehydrogenation reactions.

Combining Flavin Photocatalysis and Organocatalysis: Metal-Free Aerobic Oxidation of Unactivated Benzylic Substrates

2018 ◽  
Vol 21 (1) ◽  
pp. 114-119 ◽  
Author(s):  
Jan Zelenka ◽  
Eva Svobodová ◽  
Ján Tarábek ◽  
Irena Hoskovcová ◽  
Veronika Boguschová ◽  
...  
Keyword(s):  
Aerobic Oxidation ◽  
Metal Free

Diiodine-Mediated Oxidative Reaction for the Construction of Imidazo[1,5-a]pyridines under Metal-Free Conditions

Synlett ◽  
2020 ◽  
Vol 31 (07) ◽  
pp. 695-698 ◽  
Author(s):  
Kexin Su ◽  
Mingda Qin ◽  
Yongxin Chen ◽  
Yafeng Liu ◽  
Yuan Tian ◽  
...  
Keyword(s):  
Oxidative Dehydrogenation ◽  
Oxidative Reaction ◽  
Metal Free

An efficient and general protocol has been developed for preparing imidazo[1,5-a]pyridines in moderate to excellent yields by an I2-mediated sequential dual oxidative C(sp3)–H amination of ethyl pyridin-2-ylacetates with benzylamines. The metal- and peroxide-free reaction involves oxidative dehydrogenation and two C–N couplings.

Base-promoted aerobic oxidative synthesis of fused 1,3,5-triazines under metal-free conditions

2020 ◽  
Vol 22 (20) ◽  
pp. 6778-6782
Author(s):  
Jinjin Chen ◽  
Zhaozhao Sun ◽  
Fuhong Xiao ◽  
Guo-Jun Deng
Keyword(s):  
Aerobic Oxidation ◽  
Aromatic Aldehydes ◽  
Ammonium Iodide ◽  
Metal Free

An efficient base-promoted aerobic oxidation procedure for the synthesis of fused 1,3,5-triazines from 2-aminobenzimidazoles, aromatic aldehydes, and ammonium iodide under metal-free conditions has been developed.

Photoinduced, strain-promoted cycloadditions of trans-cycloheptenones and azides

2020 ◽  
Vol 22 (20) ◽  
pp. 7023-7030
Author(s):  
Hongzhi Yang ◽  
Tianying Zeng ◽  
Shuang Xi ◽  
Shengkun Hu ◽  
Yunfei Wu ◽  
...  
Keyword(s):  
Oxidation Reaction ◽  
Aerobic Oxidation ◽  
Dipolar Cycloaddition ◽  
Reaction Sequence ◽  
Metal Free

Metal-free cycloadditions of cycloheptenones with azides have been developed, hinging on a photoisomerization/1,3-dipolar cycloaddition/aerobic oxidation reaction sequence.

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