scholarly journals Electrocarboxylation of 1-chloro-(4-isobutylphenyl)ethane with a silver cathode in ionic liquids: an environmentally benign and efficient way to synthesize Ibuprofen

RSC Advances ◽  
2019 ◽  
Vol 9 (26) ◽  
pp. 15115-15123 ◽  
Author(s):  
Silvia Mena ◽  
Jessica Sanchez ◽  
Gonzalo Guirado
Keyword(s):  
Ionic Liquids ◽  
Environmentally Friendly ◽  
Environmentally Benign ◽  
Green Technologies ◽  
Environmentally Friendly Approach ◽  
Silver Cathode

A new more environmentally friendly approach for synthesising Ibuprofen by using green technologies (electrochemistry and ionic liquids) and CO2 feedstock.

The Self-Assembling “Grow-in-Place” Process: An Environmentally Friendly Approach to Nanowire Device Fabrication

2005 ◽  
Vol 901 ◽  
Author(s):  
Yinghui Shan ◽  
Ali Kaan Kalkan ◽  
Stephen J. Fonash
Keyword(s):  
Silicon Nanowires ◽  
Environmentally Friendly ◽  
Device Fabrication ◽  
The Self ◽  
Environmentally Benign ◽  
Contact Structures ◽  
Self Assembling ◽  
Nanowire Device ◽  
Environmentally Friendly Approach ◽  
Initial Results

AbstractSilicon nanowires (SiNWs) were fabricated directly from the Si source gas into pre-fabricated permanent nanochannel templates by our self-assembling “grow-in-place” approach. The size, shape, position, orientation, and number of the SiNWs can be precisely controlled by the pre-fabricated nanochannel templates. Our approach is environmentally benign and friendly since only the exact number of SiNWs needed was grown and the SiNWs were always confined in the nanochannel templates. In addition, the templates can be fabricated with built-in contacts and integrated into the final devices, providing contacts, interconnects, and passivation/encapsulation. We are developing a variety of built-in ohmic and rectifying contact structures and approaches for the “grow-in-place” methodology. Some initial results will be discussed here.

Separation of phenols from oils using deep eutectic solvents and ionic liquids

2020 ◽  
Vol 92 (10) ◽  
pp. 1717-1731
Author(s):  
Yucui Hou ◽  
Zhi Feng ◽  
Jaime Ruben Sossa Cuellar ◽  
Weize Wu
Keyword(s):  
Ionic Liquids ◽  
Phenolic Compounds ◽  
High Efficiency ◽  
Deep Eutectic Solvents ◽  
Environmentally Benign ◽  
Organic Chemical ◽  
Environmental Friendliness ◽  
Oil Mixtures ◽  
Organic Chemical Industry

AbstractPhenolic compounds are important basic materials for the organic chemical industry, such as pesticides, medicines and preservatives. Phenolic compounds can be obtained from biomass, coal and petroleum via pyrolysis and liquefaction, but they are mixtures in oil. The traditional methods to separate phenols from oil using alkaline washing are not environmentally benign. To solve the problems, deep eutectic solvents (DESs) and ionic liquids (ILs) have been developed to separate phenols from oil, which shows high efficiency and environmental friendliness. In this article, we summarized the properties of DESs and ILs and the applications of DESs and ILs in the separation of phenols and oil. There are two ways in which DESs and ILs are used in these applications: (1) DESs formed in situ using different hydrogen bonding acceptors including quaternary ammonium salts, zwitterions, imidazoles and amides; (2) DESs and ILs used as extractants. The effect of water on the separation, mass transfer dynamics in the separation process, removal of neutral oil entrained in DESs, phase diagrams of phenol + oil + extractant during extraction, are also discussed. In the last, we analyze general trends for the separation and evaluate the problematic or challenging aspects in the separation of phenols from oil mixtures.

Water-Mediated Strecker Reaction: An Efficient and Environmentally Friendly Approach for the Synthesis of α-Aminonitriles via a Three-Component Condensation

2010 ◽  
Vol 40 (23) ◽  
pp. 3544-3551 ◽  
Author(s):  
Samikannu Ramesh ◽  
Kulanthaivel Sivakumar ◽  
Chiradeep Panja ◽  
Pirama Nayagam Arunachalam ◽  
Appaswami Lalitha
Keyword(s):  
Environmentally Friendly ◽  
Strecker Reaction ◽  
Environmentally Friendly Approach

Efficient synthesis of glycosylamines in solventless conditions promoted by mechanical milling

RSC Advances ◽  
2014 ◽  
Vol 4 (68) ◽  
pp. 36350-36356 ◽  
Author(s):  
Cédric Epoune Lingome ◽  
Gwladys Pourceau ◽  
Virginie Gobert-Deveaux ◽  
Anne Wadouachi
Keyword(s):  
Mechanical Milling ◽  
Environmentally Friendly ◽  
Efficient Synthesis ◽  
Environmentally Friendly Approach

A mecanosynthesis of glycosylamines under solventless conditions was established. This environmentally friendly approach optimized with l-rhamnose, was investigated using a variety of amines and other carbohydrates.

Applications of Ionic Liquids in Green Catalysis: A Review of Recent Efforts

2021 ◽  
Vol 10 ◽  
Author(s):  
Abhra Sarkar ◽  
Siddharth Pandey
Keyword(s):  
Ionic Liquids ◽  
Environmentally Benign ◽  
Successful Implementation ◽  
Enzymatic Reactions ◽  
Chemical Transformations ◽  
Benign Solvents ◽  
Metallic Compounds ◽  
Green Catalysis ◽  
Reduction Of Co2

: Ionic Liquids (ILs) in their neoteric form have emerged to be a potential ‘green’ alternative of traditional Volatile Organic Compounds (VOCs) as solvents in different fields of industries and academia. Recent investigations on the development of multi-faceted applications of ionic liquids have revealed that they really stand for “environmentally-benign” solvents as far as their impact on the ecology is concerned. This caused them to be an exciting and lucrative subject to explore more and more, and many research groups are involved in the manifestation of their inherent undisclosed legacy. Recently, there has been a huge jump in search of an alternative to conventional metal catalysts in academia as well as in industries due to their pollution-evoking roles. Scientists have explored multiple numbers of homogeneous or heterogeneous mixtures of catalysts incorporating ionic liquids to reduce the extent of contamination in our global environment produced due to catalytic synthesis and chemical transformations. In this review, we have put our concentration on some beneficial and recently explored aspects of the successful implementation of Ionic Liquids in different forms in several fields of catalysis as a ‘green’ alternative catalyst/co-catalyst/solvent for catalysis to replace or minimize the lone and hazardous use of metal and metallic compounds as catalysts as well as chemicals like mineral acids or VOCs as solvents. Here, our study focuses on the inevitable role of ILs in several catalytic reactions like cycloaddition of CO2, electrolytic reduction of CO2, biocatalytic or enzymatic reactions, some of the important organic conversions, and biomass to biofuel conversion as catalysts, cocatalysts, catalyst activator, and solvents.

scholarly journals Synthesis of dibromo ketones by the reaction of the environmentally benign H2O2-HBr system with oximes

2012 ◽  
Vol 10 (2) ◽  
pp. 360-367 ◽  
Author(s):  
Alexander Terent’ev ◽  
Igor Krylov ◽  
Vera Vil’ ◽  
Zhanna Pastukhova ◽  
Sergey Fastov ◽  
...  
Keyword(s):  
Carbonyl Group ◽  
Environmentally Friendly ◽  
Environmentally Benign ◽  
Dibromo Ketones

AbstractIt was found that oximes undergo deoximation in the presence of the H2O2aq-HBraq system to form ketones and bromo ketones. This reaction provided the basis for the synthesis of dibromo ketones in yields varying from 40% to 94%. This method is environmentally friendly, sustainable, and easy to perform. The results of this investigation extend the potential of the use of oximes for the protection of carbonyl group, thus offering the ability to perform not only conventional deoximation but also the subsequent bromination of ketones. The reaction is easily scaled up and dibromo ketones can be prepared in gram amounts.

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