Advertisements


Enantioselective synthesis of indole derivatives

Indoles, and structures derived from them, are a component of many natural substances, such as the amino acid tryptophan. A new catalytic reaction produces cyclopenta[ b ] indoles—frameworks made of three rings that are joined at the edges—very s.....»»

Category: topSource:  physorgApr 8th, 2021

A new reaction to enhance aromatic ketone use in chemical synthesis

Aromatic ketones have long been valuable intermediates in chemical synthesis, particularly in cross-coupling reactions where different chemical entities are combined to form new compounds. For instance, a process called deacylative cross-coupling rem.....»»

Category: topSource:  physorgRelated NewsAug 20th, 2024

Mechanistic insights on SSZ-13 zeolite in catalytic dimethyl ether carbonylation

Dimethyl ether (DME) carbonylation to methyl acetate (MA) is one of the crucial steps in an indirect synthesis route of ethanol from syngas. SSZ-13 zeolite, with a typical topology of CHA, characterized by its 8-membered ring (8-MR) channels, has sho.....»»

Category: topSource:  physorgRelated NewsAug 19th, 2024

New twist on synthesis technique promises sustainable manufacturing

James Tour's lab at Rice University has developed a new method known as flash-within-flash Joule heating (FWF) that could transform the synthesis of high-quality solid-state materials, offering a cleaner, faster and more sustainable manufacturing pro.....»»

Category: topSource:  physorgRelated NewsAug 17th, 2024

Musk’s new Grok upgrade allows X users to create largely uncensored AI images

With Grok's new AI image generator, X users put Musk's "freedom of speech" to the test. Enlarge / An AI-generated image of Donald Trump and catgirls created with Grok, which uses the Flux image synthesis model. (credit: BEAST / X.....»»

Category: topSource:  arstechnicaRelated NewsAug 15th, 2024

Developing a simple, cost-effective method to identify the targets of a crucial protein-modifying enzyme

Human proteins undergo a variety of chemical modifications following their synthesis. These modifications regulate their structure, function, and stability. Researchers from the Bhogaraju Group at EMBL Grenoble have developed a new method to study a.....»»

Category: topSource:  theglobeandmailRelated NewsAug 12th, 2024

Precise stirring conditions key to optimizing nanostructure synthesis

Stirring allows for homogenization and efficient gas exchange—this fact has been known for decades. Controlling the stirring rate during the nanocluster synthesis is pivotal in achieving nanostructures with well-defined sizes, structures, optical p.....»»

Category: topSource:  physorgRelated NewsAug 8th, 2024

Research team achieves faster and more efficient synthesis of high-density RNA microarrays

An international research team led by the University of Vienna has succeeded in developing a new version of RNA building blocks with higher chemical reactivity and photosensitivity. This can significantly reduce the production time of RNA chips used.....»»

Category: topSource:  informationweekRelated NewsJul 31st, 2024

Green synthesis of copper oxide nanoparticles from mangifera indica: A solution for agricultural disease management

A research team has successfully synthesized green copper oxide nanoparticles (CuO.NPs) from Mangifera indica (M. indica) leaf extract. The CuO.NPs showed potent activity against gram-positive and negative bacteria, as well as fungicidal effects on p.....»»

Category: topSource:  physorgRelated NewsJul 30th, 2024

Breakthrough in Z-alkene synthesis: Scientists develop efficient and sustainable method

Z-alkenes are organic compounds with a double bond between two carbon atoms and two substituents attached to the carbon atoms on the same side of the double bond. They are ubiquitous structural components of organic compounds in chemistry and biology.....»»

Category: topSource:  physorgRelated NewsJul 30th, 2024

New opportunities for organic synthesis under superheated flow conditions

Research programs from the Center for Integrated Technology and Organic Synthesis of the University of Liège (Belgium), demonstrate the many opportunities offered by micro/mesofluidic technologies to explore new reaction spaces......»»

Category: topSource:  physorgRelated NewsJul 29th, 2024

Shining light on similar crystals reveals photoreactions can differ

A rose by any other name is a rose, but what of a crystal? Osaka Metropolitan University-led researchers have found that single crystals of four anthracene derivatives with different substituents react differently when irradiated with light, perhaps.....»»

Category: topSource:  physorgRelated NewsJul 26th, 2024

We made a cat drink a beer with Runway’s AI video generator, and it sprouted hands

Gen-3 Alpha produces wild and whimsical results. Here's what it cooked up for us. Enlarge In June, Runway debuted a new text-to-video synthesis model called Gen-3 Alpha. It converts written descriptions called "prompts".....»»

Category: topSource:  arstechnicaRelated NewsJul 25th, 2024

Research team overcomes heteroatom constraints via cobalt catalysis

Professor Fu Yao and Associate Professor Lu Xi from the University of Science and Technology of China (USTC) have conducted a cobalt-hydride-catalyzed enantioselective hydroalkylation, enabling the efficient construction of chiral tertiary carbon cen.....»»

Category: topSource:  informationweekRelated NewsJul 24th, 2024

Synthesis of a new compound with excellent intrinsic magnetic properties using smaller amounts of rare earth elements

The National Institute for Materials Science has successfully synthesized a new SmFe-based magnetic compound, SmFe8.8N1.1, which possesses superior intrinsic magnetic properties when compared to those of NdFeB compound used in neodymium magnets. The.....»»

Category: topSource:  pcmagRelated NewsJul 24th, 2024

New technique streamlines synthesis of heavy element compounds

Molecular compounds with heavy elements, like americium, curium and others can now be synthesized in a streamlined and efficient way thanks to a new technique developed by Lawrence Livermore National Laboratory (LLNL) researchers......»»

Category: topSource:  physorgRelated NewsJul 22nd, 2024

Discovery of a tRNA modification enzyme that also acts on nucleosides

The genetic information on DNA is transcribed into messenger RNA (mRNA) and translated to the amino acid sequence by transfer RNA (tRNA) on the ribosome. Modified nucleosides within RNA are involved in maintaining and regulating the protein synthesis.....»»

Category: topSource:  physorgRelated NewsJul 18th, 2024

A comprehensive derivative synthesis method for development of new antimicrobial drugs

Efforts to combat the increasing threat of drug-resistant bacteria are being assisted by a new approach for streamlining the search for antimicrobial drug candidates, pioneered by researchers at Hokkaido University, led by Assistant Professor Kazuki.....»»

Category: topSource:  physorgRelated NewsJul 12th, 2024

A better way to make RNA drugs: Enzymatic synthesis method expands capabilities while eliminating toxic byproducts

While the COVID-19 vaccines introduced many people to RNA-based medicines, RNA oligonucleotides have already been on the market for years to treat diseases like Duchenne Muscular Dystrophy and amyloidosis. RNA therapies offer many advantages over tra.....»»

Category: topSource:  physorgRelated NewsJul 12th, 2024

Unlocking the potential of anti-perovskites through a convenient one-step synthesis route

Although perovskites have attracted a lot of attention lately, anti-perovskites hold just as much potential as functional materials. Bearing a similar crystal structure to perovskites but with an inverted electrical configuration, anti-perovskites ex.....»»

Category: topSource:  theglobeandmailRelated NewsJul 8th, 2024

Photoenzymatic synthesis achieves efficient oxidation of fatty acids

A research team designed and built a photoenzymatic cascade by combining photochemical water oxidation/O2 reduction with P450 peroxygenase catalysis to achieve efficient visible-light-driven oxidation of a range of fatty acids (C12-C20), leading to p.....»»

Category: topSource:  informationweekRelated NewsJul 8th, 2024