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25,392 Newest Publications about the topic chemicals

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Theoretical Study of the CO2 Hydrogenation into Formic Acid on Lewis Acidic Zeolites

03-Jul-2018 | Worawaran Thongnuam; Thana Maihom; Saowapak Choomwattana; Yuwanda Injongkol; Bundet Boekfa; Piti Treesukul; Jumr ..., Physical Chemistry Chemical Physics, 2018

Conversion of carbon dioxide (CO2) to more valuable chemicals has nowadays received the increasing attention from an environmental and industrial point of view. Herein, we computationally investigate the CO2 hydrogenation to formic acid on Lewis acidic zeolites by means of the density functional ...

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CO2 Promoted Synthesis of Unsymmetrical Organic Carbonate by Switchable Agents Based on DBU and Alcohols

03-Jul-2018 | Qingwen Gu; Jian Fang; Zichen Xu; Wenxiu Ni; Kang Kong; Zhenshan Hou, New Journal of Chemistry, 2018

1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) is an effective nucleophilic catalyst for transesterification of dimethyl carbonate (DMC) with various alcohol and amines, which afforded the unsymmetrical organic carbonate and carbamate. It was observed that the transesterification was accelerated in the ...

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Hydrofunctionalization of olefins to value-added chemicals via photocatalytic coupling

03-Jul-2018 | Yonghui Fan; Shenggang Li; Jingxian Bao; Lei Shi; Yanzhang Yang; Fei Yu; Peng Gao; Hui Wang; Liangshu Zhong; Yuhan Sun, Green Chemistry, 2018

A green strategy was developed for synthesis of various value-added chemicals using methanol, acetonitrile, acetic acid, acetone and ethyl acetate as the hydrogen source by coupling them with olefins over heterogeneous photocatalysts. A radical coupling mechanism was proposed for the ...

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Direct C-OH/P(O)-H Dehydration Coupling Forming Phosphine Oxides

03-Jul-2018 | Long Chen; Yueyue Zhu; Tieqiao Chen; Long Liu; Ji-Shu Zhang; Li-Biao Han, Organic & Biomolecular Chemistry, 2018

A t-BuONa-mediated C-OH/P(O)-H cross dehydration coupling to produce alkylphosphine oxides is developed. This reaction employed the readily available alcohols and P(O)-H compounds as the starting materials, providing an efficient alternative method for constructing sp3C-P bonds. A reasonable ...

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Dual Responsive Salen-type Schiff Bases for the Effective Detection of L-Arginine via Static Quenching Mechanism.

03-Jul-2018 | M R Prathapachandra Kurup; Nithya Mohan; Sreejith S S; Sabura Begum Perakath, New Journal of Chemistry, 2018

L-Arginine is one of the most important amino acid and plays a key role in diagnostic studies. Herein we report four Salen-type Schiff base fluorimetric/colorimetric sensors for the rapid detection of L-arginine. Substituents play a major role in the sensing mechanism of the probes with the ...

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Rapid pretreatment of Miscanthus using the low-cost ionic liquid triethylammonium hydrogen sulfate at elevated temperatures

03-Jul-2018 | Florence J. V. Gschwend; Francisco Malaret; Somnath Shinde; Agnieszka Brandt-Talbot; Jason P. Hallett, Green Chemistry, 2018

Deconstruction with low-cost ionic liquids (ionoSolv) is a promising method to pre-condition lignocellulosic biomass for the production of renewable fuels, materials and chemicals. This study investigated process intensification strategies for ionoSolv pretreatment of Miscanthus × giganteus with ...

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IJMS, Vol. 19, Pages 1916: Regulation of CYP2J2 and EET Levels in Cardiac Disease and Diabetes

29-Jun-2018 | Aliwarga, Theresa ; Evangelista, Eric A.; Sotoodehnia, Nona ; Lemaitre, Rozenn N.; Totah, Rheem A., International Journal of Molecular Sciences, 2018

IJMS, Vol. 19, Pages 1916: Regulation of CYP2J2 and EET Levels in Cardiac Disease and Diabetes International Journal of Molecular Sciences doi: 10.3390/ijms19071916 Authors: Theresa Aliwarga Eric A. Evangelista Nona Sotoodehnia Rozenn N. Lemaitre Rheem A. Totah Cytochrome ...

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Sensors, Vol. 18, Pages 2061: Probe of Alcohol Structures in the Gas and Liquid States Using C–H Stretching Raman Spectroscopy

28-Jun-2018 | Yu, Yuanqin ; Fan, Wei ; Wang, Yuxi ; Zhou, Xiaoguo ; Sun, Jin ; Liu, Shilin, Sensors, 2018

Sensors, Vol. 18, Pages 2061: Probe of Alcohol Structures in the Gas and Liquid States Using C–H Stretching Raman Spectroscopy Sensors doi: 10.3390/s18072061 Authors: Yuanqin Yu Wei Fan Yuxi Wang Xiaoguo Zhou Jin Sun Shilin Liu Vibrational spectroscopy is a powerful tool ...

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Molecules, Vol. 23, Pages 1562: An Overview of Current Pretreatment Methods Used to Improve Lipid Extraction from Oleaginous Micro-Organisms

28-Jun-2018 | Patel, Alok ; Mikes, Fabio ; Matsakas, Leonidas, Molecules, 2018

Molecules, Vol. 23, Pages 1562: An Overview of Current Pretreatment Methods Used to Improve Lipid Extraction from Oleaginous Micro-Organisms Molecules doi: 10.3390/molecules23071562 Authors: Alok Patel Fabio Mikes Leonidas Matsakas Microbial oils, obtained from oleaginous ...

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Coordination driven self-assembly of [2+2+2] molecular squares: synthesis, crystal structures, catalytic and luminescence properties

27-Jun-2018 | vijay gupta; Sanjay Mandal, Dalton Transactions, 2018

One-pot self-assembly of three components (metal acetates as the metal precursor, tridentate polypyridyl ligand N,N′-bis(2-pyridylmethyl)-tert-butylamine (bpta) as a capping ligand and bent dicarboxylic acids, 4,4'-(dimethylsilanediyl)bis-benzoic acid (H2L1) or 4,4'-oxybis-benzoic acid (H2L2), as ...

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