Articles tagged with Alkanes
A team led by Prof. CHEN Qing'an developed a phosphordiamidate-catalyzed strategy for the selective synthesis of 1,3-, 1,4-, and 2,3-dihalogenation products. The method achieves regioselective dihalogenation under mild conditions with broad substrate compatibility and functional group tolerance.
A marine bacterium produces an organic detergent to attach to oil droplets, allowing it to feed on energy-rich chains. The synthetic pathway of this detergent involves three enzymes and has potential biotech applications for microbial production of key chemical compounds.
Researchers from Institute of Science Tokyo successfully developed a multi-element perovskite catalyst that selectively oxidizes light alkanes to alcohols with high yield and selectivity. The breakthrough catalyst operates under mild conditions and exhibits excellent stability and reusability.
Scientists have characterized enzymes involved in the degradation of ethane, a process that plays a crucial role in the biological filter at marine seeps. The study reveals a key aspect of the ethane-degrading microbes and their ability to adapt to different environments.
Researchers at National University of Singapore develop a straightforward method to convert common chemicals into valuable alkenes using light. The new method simplifies the production of alkenes from abundant feedstock chemicals, enabling the creation of complex bioactive molecules.
Hokkaido University researchers have developed a novel method to activate alkanes, making it easier to convert these building blocks into valuable compounds. The new technique utilizes confined chiral Brønsted acids, improving efficiency and selectivity in producing desired products.
A new technique reduces toxic byproducts and increases efficiency in producing alkylbenzene, a crucial intermediate for detergents. The process uses simple alkanes as alkylating agents, resulting in harmless molecular hydrogen as the sole byproduct.
Mainz University and Evonik researchers have created an environmentally friendly process to generate dicarboxylic acids, a crucial chemical building block for polyamides. The new technique uses only oxygen, electricity, and hydrocarbon compounds, eliminating heavy metals and strong acids, and resulting in no nitrogen oxide emissions.
Researchers at Brookhaven National Laboratory have produced the first atomic-level structure of an enzyme that selectively breaks carbon-hydrogen bonds, suggesting ways to engineer it for producing desired products. The detailed structure reveals how the enzyme operates under ordinary conditions and produces few unwanted byproducts.
Researchers developed a sustainable method of synthesizing diphenylmethanol derivatives using Chinese alumina, reducing waste and costs. The new method recycles alumina by washing it with water and drying between usages, making it an environmentally friendly alternative.
Alkanes participate extensively in autoxidation reactions with oxygen molecules, overturning current chemical knowledge and implications for air quality prediction and efficient fuel combustion. The discovery also sheds light on atmospheric conversion of volatile organic molecules into particulate matter.
Researchers have developed an efficient method to convert biomass-derived fatty acids into alkanes under mild conditions. The process utilizes photocatalytic decarboxylation with light, generating alkyl radical intermediates and achieving high yields of Cn-1 alkanes.
The National Science Foundation awards $354,954 to Dr. Giannis Mpourmpakis' research on dehydrogenation of alkanes on metal oxides. This breakthrough could enable more efficient and cost-effective chemical production using abundant natural gas reserves.
An international team of researchers has successfully measured how heat passes between two gold electrodes through a single molecule. The study employed a scanning thermal microscope to detect the vibrations of atoms in an alkane molecule carrying the heat, providing valuable insights into thermal conduction at the molecular scale.
Researchers at Kanazawa University have developed a compound that selectively captures n-alkane gas molecules with its color change, indicating a special ability to distinguish configuration of guest molecules. The compound's properties were evaluated in solid/gas interfaces, showing excellent separation efficiency and recyclability.
Researchers at the University of Illinois have made a groundbreaking discovery that could revolutionize the petroleum industry. By altering the molecular structure of alkanes, they can significantly increase their flow rate, potentially reducing fueling times to mere seconds.
Researchers at NIST develop a prefilling method to enhance the quality and consistency of single-wall carbon nanotubes by introducing a chemical filler. This approach yields superior results in optical applications, such as sensors and photodetectors.
Researchers have developed a method to selectively functionalize unreactive carbon-hydrogen bonds in alkanes, a key step towards revolutionizing organic synthesis. The breakthrough enables the transformation of simple molecules into valuable chemicals with controlled site selectivity and chirality.
University of Utah engineers developed a handheld scanner that can detect small traces of alkane fuel vapor, crucial for preventing oil pipeline leaks and detecting explosives. The portable device will be used to locate leaks in pipelines, airplane fuel tanks, and security threats, providing real-time warnings.
A Korean research team developed a novel strategy for microbial gasoline production through metabolic engineering of E. coli, producing 580 mg of gasoline per liter of cultured broth. The platform E. coli strain can be modified to produce other chemicals, offering a sustainable alternative to fossil resources.
Researchers develop bi-functional enzyme to increase alkane output in bacteria and plants, eliminating hydrogen peroxide inhibition. The combo enzyme boosts reaction efficiency by producing oxygen, a key component required for activity.
Researchers Lawrence Weider and Amy V. Callaghan will investigate how aquatic organisms cope with drastic environmental changes caused by nutrient pollution. The study targets lakes in Canada and Minnesota, where Daphnia diapausing eggs have remained dormant for over 50 years.
Scientists develop catalytic process to convert phenolic components of bio-oil directly into cycloalkanes and methanol. The 'one-pot' reaction uses palladium metal on a carbon support and phosphoric acid as a proton source.
Researchers at the University of Wisconsin-Madison have developed a four-phase catalytic reactor to convert biomass-derived carbohydrates into sulfur-free liquid alkanes. The process produces 90% of the energy found in the feedstock and creates twice the energy as ethanol production, with no additional heating or distillation required.