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Chemistry World November 27, 2009 Simon Hadlington |
A simple way to join an olefin to an arene Chemists in the US have developed a simple and effective way to carry out a key class of reaction in organic synthesis - the bolting an olefin to an aromatic ring. |
Chemistry World June 7, 2009 Phillip Broadwith |
Pd(III) catalysis insight The discovery of a bimetallic palladium(III) complex that can catalyse the formation of carbon-heteroatom bonds adds a new facet to our understanding of the chemistry of one of the most widely-used metals in catalysis, say US chemists. |
Chemistry World November 1, 2007 Richard Van Noorden |
Step Change for Organic Synthesis US chemists discovered how to attack a complex molecule's unreactive carbon-hydrogen bonds, without resorting to wasteful synthetic aids like protecting and directing groups. |
Chemistry World March 14, 2014 Simon Hadlington |
Chemists make headway on C--H activation challenges Jin-Quan Yu's group at the Scripps Research Institute at La Jolla, California, have synthesized a library of synthetic chiral amino acids which could have applications in the pharmaceutical industry. |
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 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 February 22, 2008 James Mitchell Crow |
Rhodium Fast Tracks Route to Lactones Chemists in Canada have developed an efficient new way to make lactones, chemical components of many natural products and drugs. |
Chemistry World May 9, 2010 Phillip Broadwith |
Iron catalyst breaks the mold An iron catalyst that is not only greener than many of its precious metal competitors, but also catalyses reactions that they can't, could open new avenues in transition metal catalysis, say Chinese researchers. |
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 July 15, 2010 Simon Hadlington |
Synthetic enzyme catalyses Diels-Alder reaction The reaction is key to many organic syntheses and suggests that artificial enzymes could soon become part of the synthetic chemist's toolkit. |
Chemistry World April 6, 2009 Nina Notman |
Torn catalysts help polymers heal themselves Catalysts that are activated by a mechanical force tearing them in two have been designed by Dutch scientists. |
Chemistry World June 23, 2011 Simon Hadlington |
Breaking the carbon-fluorine bond US chemists have discovered a new way to break the bond between carbon and fluorine atoms - the strongest carbon bond there is. |
Chemistry World October 3, 2008 Lewis Brindley |
Nanotube catalysts improve industrial reaction A catalyst consisting of modified carbon nanotubes makes an important industrial reaction milder, safer and more selective, according to researchers in Germany. |
Chemistry World December 23, 2015 Karl Collins |
Scratching chiral surfaces There are numerous challenges to developing reactions that exploit chiral surfaces, or employ molecular modifiers (ligands) to create a chiral surface environment and control the stereoselectivity of a transformation. |
Chemistry World June 2, 2011 James Urquhart |
Methane activation by organometallic reagent US scientists have demonstrated for the first time that a metal-carbon multiple bond complex can activate methane. |
Chemistry World December 3, 2009 Simon Hadlington |
C-H Bond Activation Takes the Relaxing Route Chemists have uncovered a key factor that helps determine the reactivity of a C-H bond to oxidation. |
Chemistry World November 2010 |
Carbon Couplers Take the Prize Three giants of organic chemistry, who pioneered palladium-catalysed cross coupling reactions, have shared this year's Nobel prize. |
Chemistry World June 25, 2015 Karl Collins |
Dispelling nickel's catalytic demons In the world of transition metal catalysis, some still consider nickel less worthy than other metals. |
Chemistry World April 12, 2012 Simon Hadlington |
Recruiting electrophiles for organic cross-coupling Chemists in the US have taken an unconventional approach to carbon cross-coupling and in doing so have potentially opened the door to the rapid and efficient synthesis of a wide range of organic compounds. |
Chemistry World October 23, 2009 Phillip Broadwith |
Methane all bound up US chemists have characterized the first stable sigma-methane complex in which methane binds to a metal without breaking its C-H bonds. |
Chemistry World July 29, 2010 Carol Stanier |
Methane all lined up Swiss researchers have found that the way methane molecules vibrate when they hit a nickel surface can have a huge effect on their reactivity. |
Chemistry World May 24, 2007 James Mitchell Crow |
Palladium Coupling in Fewer Steps Look out Suzuki - Canadian chemists have successfully joined up simple benzene ring-like aromatics without any pre-activation. |
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 July 9, 2012 Phillip Broadwith |
'Molecular cobra' turns C-H to C=C A reagent developed by US chemists can selectively introduce synthetically useful C=C double bonds into unactivated carbon chains, guided by an activating group attached to a nearby oxygen or nitrogen atom. |
Chemistry World April 7, 2015 Hugh Cowley |
The Goldilocks of heterogeneous catalysis An international team of scientists has tethered palladium to a metal -- organic framework support using thiol groups normally associated with catalyst poisoning |
Chemistry World November 17, 2008 Simon Hadlington |
Catalyst flexes for extra control US chemists have developed a new type of catalyst capable of exerting high stereochemical control over olefin metathesis reactions |
Chemistry World February 21, 2008 Lewis Brindley |
Esters Made Easy with Indium Indium is the basis of a novel catalyst designed to make useful cyclic esters. This catalyst could greatly simplify the production of chiral dihydropyranones, important structural elements in many natural products and pharmaceuticals. |
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 August 30, 2009 Phillip Broadwith |
C-H oxidation proves its worth US researchers are going against the grain of total synthesis and developing new approaches to complex molecules. |
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 January 2012 Paul Docherty |
Column: Totally Synthetic What a Japanese team demonstrates in this synthesis of dragmacidin D is the state of the art, uniting all the key fragments using C-H bond couplings. |
Chemistry World July 16, 2009 Simon Hadlington |
Strange vibrations Researchers in Taiwan have shown that in a relatively simple molecular system the induced vibrations can inhibit the breaking of the bond and slow the reaction down. |
Chemistry World January 27, 2010 Phillip Broadwith |
Cracking carbon-carbon bonds Chemists in the US have discovered a tungsten complex that can break a strong carbon-carbon bond in an aromatic ring. |
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 January 8, 2014 Karl Collins |
Oxidation station Small molecules are making significant inroads -- with reactivity and selectivity approaching levels previously thought unachievable. |
Chemistry World July 3, 2014 Phillip Broadwith |
Show the way but leave no trace Recent efforts to develop efficient methods to isolate phenols from biomass mean they may become an increasingly attractive, environmentally sustainable, synthesis feedstock |
Chemistry World June 24, 2010 Phillip Broadwith |
Aryl rings get a fluorine fix A mild and effective method for coupling trifluoromethyl groups on to aryl rings has been developed by US chemists. |
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 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 May 30, 2013 Andy Extance |
Catalyst duo exerts powerful stereocontrol Chemists from the Swiss Federal Institute of Technology, ETH Zurich, have teamed chiral catalysts in pairs to selectively drive a reaction towards desired stereoisomeric products with high selectivity. |
Chemistry World September 21, 2009 Hayley Birch |
Enzymes inspire new catalyst design for hydrogen production A novel enzyme-based catalyst developed by UK and US researchers hints at new ways of designing catalysts for the water-gas shift reaction, an important industrial reaction in the production of high grade hydrogen. |
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 August 20, 2008 |
Gold's Magic Number A new gold catalyst developed by UK chemists can catalyse hydrocarbon oxidation, using O 2 as the only oxidant. But catalyst particle size is critical - above 2nm diameter, the catalyst loses all activity. |
Chemistry World January 13, 2011 Mike Brown |
Palladium helps gold catalyst go green Researchers have developed a catalyst that efficiently converts toluene into a useful industrial intermediate in a much greener process than traditional methods. |
Chemistry World February 2, 2011 Elinor Richards |
Gold going it alone Spanish scientists have proved that gold alone can catalyse cross-coupling reactions following a claim made last year that palladium impurities in the gold are essential for the catalysis. |
Chemistry World April 25, 2010 Hayley Birch |
New strategy yields best ever catalyst for ammonia decomposition US researchers have developed a new strategy for predicting bimetallic catalysts. |
Chemistry World June 12, 2015 David Bradley |
Copper click chemistry mechanism unravelled Both the mono- and bis-copper pathways are active in the CuAAC reaction, but the latter is kinetically favored. |
Chemistry World June 1, 2006 Michael Gross |
New Twists on Catalysis Chemists around the world have discovered several new twists to improve the performance of asymmetric catalysts in hydrogenation reactions. |
Chemistry World May 20, 2014 Andy Extance |
Mechanism study seeks to clear 'crystalline flask' cloud The Japanese chemists behind a controversial x-ray crystallography method have used it to study a poorly-understood reaction mechanism for the first time. |
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. |