Activating molecular oxygen by Au/ZnO to selectively oxidize glycerol to dihydroxyacetone

2018 ◽  
Vol 8 (10) ◽  
pp. 2524-2528 ◽  
Author(s):  
Ye Meng ◽  
Shihui Zou ◽  
Yuheng Zhou ◽  
Wuzhong Yi ◽  
Yang Yan ◽  
...  
Keyword(s):  
Molecular Oxygen ◽  
Aerobic Oxidation

ZnO was theoretically predicted and experimentally confirmed to be the most effective support for Au to activate molecular oxygen and thus to catalyze aerobic oxidation of glycerol.

Visible-light-responsive lanthanide coordination polymers for highly efficient photocatalytic aerobic oxidation of amines and thiols

2021 ◽  
Author(s):  
Zhifen Guo ◽  
Xin Liu ◽  
Yan Che ◽  
Hongzhu Xing ◽  
Peng Chen
Keyword(s):  
Visible Light ◽  
Molecular Oxygen ◽  
Coordination Polymers ◽  
Aerobic Oxidation ◽  
Synthesis And Characterization ◽  
Lanthanide Coordination Polymers ◽  
Highly Efficient ◽  
Photocatalytic Reactions ◽  
Energy Issues

Development of visible-light-induced photocatalytic reactions using molecular oxygen as terminal oxidant is intriguing in view of the current environmental and energy issues. We report herein the synthesis and characterization of...

scholarly journals Recent Advances in Homogeneous Metal-Catalyzed Aerobic C–H Oxidation of Benzylic Compounds

Catalysts ◽  
2018 ◽  
Vol 8 (12) ◽  
pp. 640 ◽  
Author(s):  
Garazi Urgoitia ◽  
Raul SanMartin ◽  
María Herrero ◽  
Esther Domínguez
Keyword(s):  
Molecular Oxygen ◽  
Aerobic Oxidation ◽  
Key Factors ◽  
Reaction Conditions ◽  
Aromatic Ketones ◽  
Recent Advances ◽  
Metal Catalyzed

Csp3–H oxidation of benzylic methylene compounds is an established strategy for the synthesis of aromatic ketones, esters, and amides. The need for more sustainable oxidizers has encouraged researchers to explore the use of molecular oxygen. In particular, homogeneous metal-catalyzed aerobic oxidation of benzylic methylenes has attracted much attention. This account summarizes the development of this oxidative strategy in the last two decades, examining key factors such as reaction yields, substrate:catalyst ratio, substrate scope, selectivity over other oxidation byproducts, and reaction conditions including solvents and temperature. Finally, several mechanistic proposals to explain the observed results will be discussed.

scholarly journals Novel Effect of Zinc Nitrate/Vanadyl Oxalate for Selective Catalytic Oxidation of α-Hydroxy Esters to α-Keto Esters with Molecular Oxygen: An In Situ ATR-IR Study

Molecules ◽  
2019 ◽  
Vol 24 (7) ◽  
pp. 1281 ◽  
Author(s):  
Yongwei Ju ◽  
Zhongtian Du ◽  
Chuhong Xiao ◽  
Xingfei Li ◽  
Shuang Li
Keyword(s):  
Catalytic Activity ◽  
Catalytic Oxidation ◽  
Molecular Oxygen ◽  
Aerobic Oxidation ◽  
Value Added ◽  
Attenuated Total Reflection ◽  
Reaction Conditions ◽  
Keto Esters ◽  
Selective Catalytic Oxidation ◽  
Hydroxy Esters

Selective oxidation of α-hydroxy esters is one of the most important methods to prepare high value-added α-keto esters. An efficient catalytic system consisting of Zn(NO3)2/VOC2O4 is reported for catalytic oxidation of α-hydroxy esters with molecular oxygen. Up to 99% conversion of methyl DL-mandelate or methyl lactate could be facilely obtained with high selectivity for its corresponding α-keto ester under mild reaction conditions. Zn(NO3)2 exhibited higher catalytic activity in combination with VOC2O4 compared with Fe(NO3)3 and different nitric oxidative gases were detected by situ attenuated total reflection infrared (ATR-IR) spectroscopy. UV-vis and ATR-IR results indicated that coordination complex formed in Zn(NO3)2 in CH3CN solution was quite different from Fe(NO3)3; it is proposed that the charge-transfer from Zn2+ to coordinated nitrate groups might account for the generation of different nitric oxidative gases. The XPS result indicate that nitric oxidative gas derived from the interaction of Zn(NO3)2 with VOC2O4 could be in favor of oxidizing VOC2O4 to generate active vanadium (V) species. It might account for different catalytic activity of Zn(NO3)2 or Fe(NO3)3 combined with VOC2O4. This work contributes to further development of efficient aerobic oxidation under mild reaction conditions.

Modified Markó’s aerobic oxidation of alcohols under atmospheric pressure with air or molecular oxygen at room temperature

2012 ◽  
Vol 53 (44) ◽  
pp. 5880-5882 ◽  
Author(s):  
Takeshi Nishii ◽  
Tomomi Ouchi ◽  
Aya Matsuda ◽  
Yuka Matsubara ◽  
Yuuko Haraguchi ◽  
...  
Keyword(s):  
Molecular Oxygen ◽  
Atmospheric Pressure ◽  
Room Temperature ◽  
Aerobic Oxidation ◽  
Oxidation Of Alcohols

Palladium catalyzed oxidation of renewable terpenes with molecular oxygen: oxidation of α-bisabolol under chloride-free conditions

2014 ◽  
Vol 4 (7) ◽  
pp. 2016-2022 ◽  
Author(s):  
Luciana A. Parreira ◽  
Luciano Menini ◽  
Elena V. Gusevskaya
Keyword(s):  
Molecular Oxygen ◽  
Aerobic Oxidation ◽  
Palladium Catalyzed ◽  
Oxygen Oxidation ◽  
Catalyzed Oxidation

Several novel compounds potentially useful as components of synthetic perfumes and cosmetics were obtained from α-bisabololviapalladium-catalyzed aerobic oxidation.

Highly efficient sulfonated-polystyrene–Cu(II)@Cu3(BTC)2 core–shell microsphere catalysts for base-free aerobic oxidation of alcohols

2015 ◽  
Vol 3 (8) ◽  
pp. 4266-4273 ◽  
Author(s):  
Xiaowei Zhang ◽  
Wenjun Dong ◽  
Yi Luan ◽  
Mu Yang ◽  
Li Tan ◽  
...  
Keyword(s):  
Molecular Oxygen ◽  
Aerobic Oxidation ◽  
Core Shell ◽  
Sulfonated Polystyrene ◽  
Highly Efficient ◽  
Oxidation Of Alcohols

A novel core–shell SPS–Cu(II)@Cu3(BTC)2 catalyst was developed for the aerobic oxidation of alcohols by molecular oxygen under base-free conditions.

Radical Mediated Aerobic Oxidation of Substituted Styrenes and Stilbenes

2021 ◽  
Author(s):  
Hasil Aman ◽  
Wei-hua Chiu Chiu ◽  
Pin-Heng Liu ◽  
Gary Jing Chuang
Keyword(s):  
Molecular Oxygen ◽  
Carbonyl Compounds ◽  
Aerobic Oxidation ◽  
Oxidative Cleavage ◽  
Moderate Yield

A 2,2-azobis(isobutyronitrile) (AIBN) catalyzed oxidative cleavage of alkenes with molecular oxygen as the oxidant has been described. Carbonyl compounds and oxiranes were obtained as products in moderate yield under mild...

Liquid-phase oxidation of alkanes with molecular oxygen catalyzed by high valent iron-based perovskite

2018 ◽  
Vol 54 (50) ◽  
pp. 6772-6775 ◽  
Author(s):  
Satomi Shibata ◽  
Kosei Sugahara ◽  
Keigo Kamata ◽  
Michikazu Hara
Keyword(s):  
Liquid Phase ◽  
Molecular Oxygen ◽  
Aerobic Oxidation ◽  
Catalytic Performance ◽  
Liquid Phase Oxidation ◽  
Iron Species ◽  
Perovskite Catalyst ◽  
Phase Oxidation ◽  
Iron Based ◽  
High Valent

A hexagonal BaFeO3−δ perovskite catalyst containing high valent iron species exhibits high catalytic performance for the aerobic oxidation of alkanes without the need for additives.

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