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Chemistry World March 19, 2009 Manisha Lalloo |
Copper catalysts give meta aromatics UK Researchers have discovered that, simply by using a copper catalyst, they are able to perform tricky substitution reactions at a difficult position on benzene rings |
Chemistry World January 14, 2015 Karl Collins |
Alkynes reverse reactivity Coupling together thiols and alkynes -- both inherently nucleophilic species -- is a tricky prospect. |
Chemistry World November 1, 2012 Laura Howes |
Shining new light on the Ullmann reaction Ullmann C -- N coupling -- a copper mediated carbon -- nitrogen coupling reaction used to create arylamines -- is one of the most widely used reactions in the pharmaceutical industry. |
Chemistry World February 20, 2012 James Urquhart |
Unusual kinetics of catalyst revealed US researchers have elucidated the unusual reaction kinetics of C-H activation by the palladium(II) catalyst (Pd(OAc) 2). |
Chemistry World November 5, 2015 Emma Stoye |
Unnatural nanoreactor puts click reaction in the spotlight A protein 'nanoreactor' that can monitor a click chemistry reaction at the level of single molecules has been created by adding an unnatural amino acid to a nanopore. |
Chemistry World September 28, 2015 Karl Collins |
A witches' brew for trifluoromethylation Trifluoromethylating phenols is one example of a reaction that would be incredibly useful when attempting to tune the chemical and biological properties of molecules for pharmaceutical and agrochemical research. |
Chemistry World March 14, 2012 James Urquhart |
Catalysis at the flick of a switch German researchers have created a molecular nanoswitch that can be reversibly and repeatedly turned on and off to control a chemical reaction. |
Chemistry World March 24, 2015 Karl Collins |
Back to basics for silylation While silicon is probably most familiar in organic synthesis as part of protecting groups, its utility extends much further. |
Chemistry World October 22, 2008 Susan Aldridge |
A greener route to amines Researchers based in Israel have developed an easier way to make troublesome primary amines, using a new ruthenium catalyst. |
Chemistry World August 16, 2009 Tom Bond |
Catalyst free carbon-carbon bond formation The method offers an environmentally friendly way to form one of the most important bonds in organic synthesis. |
Chemistry World July 3, 2015 Andy Extance |
Copper catalysis overcomes double bond trouble Some carbon-carbon double bonds seem too unreactive for synthetic use -- but that's just how chemists in the US are now exploiting them. |
Chemistry World September 24, 2009 Phillip Broadwith |
Carbon can't but tin can US chemists have discovered that distannynes - tin-based analogues of acetylenes - can react reversibly with ethene to make cyclic complexes. |
Chemistry World October 30, 2007 James Mitchell Crow |
A Better Catalyst for Fuel Cells? Alloy nanoparticles that efficiently catalyse oxygen's conversion into water - the energy-releasing reaction that occurs in fuel cells - have been discovered. The particles are up to six times more active than pure platinum, the material typically used in current fuel cells. |
Chemistry World September 30, 2009 Simon Haddlington |
Porous networks trap reactive intermediates Chemists in Japan have shown how it is possible to take sequential x-ray snapshots of chemical reactions taking place within molecular-sized 'reaction chambers', capturing the crystal structures of short-lived reactive intermediates. |
Chemistry World April 4, 2008 James Mitchell Crow |
More to Catalysis Than Meets the Eye Catalysts are more than just a reactive surface. Changes beneath a metal's skin can completely change the course of a reaction. |
Chemistry World September 4, 2008 Fred Campbell |
Two catalysts better than one US researchers have cracked a long standing problem in chemical synthesis - the catalytic alpha-alkylation of aldehydes - by combining two catalysts in one pot. |
Chemistry World February 2, 2012 Philip Robinson |
Ultrafast NMR shows the way Chemists have created an ultrafast NMR technique that can 'watch' how chemical reactions occur in real time. They've used the technique to follow the formation of pyrimidines from carbonyls and even identified new intermediates never before thought to be part of the reaction. |
Chemistry World November 25, 2014 James Urquhart |
Nanomolar chemistry enables 1500 experiments in a single day Chemists have conducted over 1500 chemistry experiments in under a day thanks to a miniaturized, high throughput automation platform they developed for identifying how synthetic molecules react under various conditions. |
Chemistry World January 25, 2007 Richard Van Noorden |
Water Surprise for Atmospheric Scientists Lone water molecules can catalyze reactions between atmospheric gases, scientists have confirmed, throwing a wrench in the works of supposedly simple atmospheric chemistry. |
Chemistry World September 23, 2010 Jon Cartwright |
Catalyst improves prospects for fuel cells Chemists in the US have developed a new catalyst that could help in a key reaction used to generate hydrogen for fuel cells. |
Chemistry World April 28, 2010 Mike Brown |
Producing hydrogen from sea water A new catalyst that generates hydrogen from sea water has been developed by scientists in the US. |
Chemistry World December 14, 2012 Jon Cartwright |
Pico-gold clusters break catalysis record Chemists in Spain have shown that small clusters of gold atoms are excellent inorganic catalysts with record-breaking efficiency. |
Chemistry World February 6, 2008 Simon Hadlington |
Better Detection of DNA Synthesis Researchers in the US have developed a new way to detect DNA synthesis in living cells by using click chemistry -- the concept of reacting together two 'high energy' molecules that 'click' together efficiently under mild conditions. |
Chemistry World March 28, 2013 Simon Hadlington |
Copper catalysis sees the light Researchers in the US have shown that the oxide coating on copper nanoparticles can be stripped away by light, exposing the metallic, catalytic copper core. |
Chemistry World May 1, 2008 Simon Hadlington |
Click chemistry illuminates embryo development US researchers have smuggled modified sugar molecules into a developing zebrafish embryo and then used 'click chemistry' to snap a fluorescent tag onto them to watch cells and tissues forming. |
Chemistry World May 8, 2014 |
Mandelalide A The recent synthesis of the proposed structure of mandelalide A is a good example of a well-designed route that seamlessly integrates some cutting-edge chemistry. |
Chemistry World May 29, 2015 Derek Lowe |
Magic molecule modifiers The synthesis of a new organic molecule can be approached in several ways. |
Chemistry World October 11, 2012 Ian Le Guillou |
Turbo-charged Diels-Alder reaction The Diels - Alder reaction is one that sticks in the mind of even the most reluctant chemistry student -- there is a certain elegance in the ring formation from an alkene and diene. |
Chemistry World July 13, 2015 Philip Ball |
First snapshot of elusive intermediate supplies surprise A team near Zurich in Switzerland, has been able to take a single-molecule snapshot of an intermediate in a common class of organic reactions. |
Chemistry World September 4, 2014 Simon Hadlington |
'Unifying theory' proposed for carbon monoxide oxidation on supported gold nanoparticles US researchers believe they have uncovered the means by which gold nanoparticles sitting on a support of titanium dioxide can oxidise carbon monoxide at low temperatures. |
Chemistry World November 21, 2011 David Bradley |
Zombie reaction returns from the dead An oscillating reaction that apparently stops after 10 hours, but is then resurrected spontaneously several hours later, has been discovered by a group of chemistry students at the Mito Dai-ni senior high school in Ibaraki, Japan. |
Chemistry World January 15, 2010 Kate McAlpine |
Capturing carbon with copper A team of researchers in the Netherlands have devised a trap that can pull carbon dioxide out of the air. |
Chemistry World May 21, 2009 James Urquhart |
Catalyst kinetics revealed French and UK scientists have developed a spectroscopy technique that has elucidated the reaction mechanism of a silver-alumina catalyst. |
Chemistry World June 23, 2015 Philip Ball |
Ultra-bright x-rays film molecular reaction A team working at the Stanford Linear Collider in California claims to have made 'the first molecular movie' using ultra-fast x-ray scattering from molecules as they undergo a chemical reaction. |
Chemistry World April 18, 2012 Elinor Richards |
Homogeneous Catalyst Recovery Made Easier Scientists have now found a way to recover homogeneous catalysts at the end of a chemical reaction that doesn't suffer from the slow reaction rates that affect current catalyst recovery systems. |
Chemistry World March 6, 2008 Simon Hadlington |
Synthetic Enzymes Designed by Computer Scientists in the US have designed and built an artificial enzyme from scratch. |
Chemistry World September 1, 2006 Katharine Sanderson |
Copper Mines and Coordination Chemistry Extracting pure copper metal from low-grade metal ores will benefit from the latest coordination chemistry research, thanks to a molecule that can hold negative and positive ions in place, UK chemists claim. |
Chemistry World April 15, 2012 Jon Evans |
Synthetic chemists print labware to order Not only do 3D printers offer the possibility of producing vessels with much more complex architectures, but the vessels can be designed to influence the course of the reaction or even to take part in it. |
Chemistry World August 22, 2014 Derek Lowe |
Death of a reagent Anyone who's been practicing organic chemistry for a while can think back to reactions and reagents that were once in far wider use than they are today. |
Chemistry World April 12, 2013 Melissae Fellet |
Elusive atmospheric intermediates reveal some secrets Scientists have found further evidence for the existence of an elusive intermediate implicated in chemical reactions that degrade atmospheric pollutants. |
Chemistry World September 2011 Paul Docherty |
Column: Totally Synthetic Corey Stephenson of Boston University is an expert a type of reaction called photochemical reduction-oxidation. He has charmed photons into performing many chemical tricks, but one is a photoredox dehalogenation using blue light and a ruthenium bipyridyl catalyst. |
Chemistry World April 2010 Paul Docherty |
Column: Totally Synthetic When one attempts the first synthesis of a natural product, the set of challenges are often unknown; which intermediates are either inaccessible or unstable, for instance. |
Chemistry World May 30, 2006 Michael Gross |
A Physiological Role for Healthy Prions Researchers have shown that the healthy version of the scrapie pathogen helps maintain the optimum concentration of copper ions in the cell. |
Chemistry World July 1, 2012 Paul Docherty |
Vincorine Cage-structured natural products are some of the most appealing (if perhaps not appetising) targets for organic chemists -- perhaps due to their obvious intricacy of form, but also because of their structural rigidity. |
Chemistry World September 24, 2008 Lewis Brindley |
Copper Future for Solar Cells Rare ruthenium complexes that are a key component of dye-sensitized solar cells could be replaced by molecules based on copper. |
Chemistry World December 16, 2011 Kate McAlpine |
Radical experiment assesses interstellar nitrogen Radical reactions are challenging to measure at cold temperatures, but an international team of researchers have recently clocked the rate for atomic nitrogen and hydroxyl radicals at 56K. |
Chemistry World November 27, 2012 Paul Docherty |
Pentalenolactone A methyl ester One team that really gets the Pauson -- Khand reaction or the PKR and all its nuances is that led by Zhen Yang at Peking University in Beijing, China. They recently published a very neat synthesis of the intricate pentalenolactone |
Chemistry World September 7, 2009 |
Bolt-on MOF catalysts Chemists in the US have shown that a class of hugely porous materials called metal-organic frameworks (MOFs) can have catalytic functions bolted onto the structure after it has been constructed to produce efficient catalysts that can be easily recovered and cycled many times. |
Chemistry World September 30, 2011 |
Colourful Research Jeremy Smith talks about why choosing inorganic chemistry was a case of columns versus color. |
Chemistry World November 19, 2014 William Bergius |
A greener recipe for copper nanowires In an ingenious application of food chemistry more commonly associated with the searing of steak or baking of bread, scientists in Singapore have developed a green synthesis for well-defined copper nano wires. |