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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 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 October 18, 2011 Steve Down |
Cofactor Control of Catalysis Enantioselectivity Scientists have used cofactors to control the enantioselectivity of supramolecular transition metal catalysts, enabling the asymmetric hydrogenation of a series of acrylates and related compounds with remarkably high selectivities. |
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 December 3, 2014 Cally Haynes |
One rotaxane, two catalytic stories A two-site supramolecular catalyst that can be programmed to mediate different reactions depending on its conformation has been designed by researchers in the UK. |
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 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 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 February 25, 2014 Simon Hadlington |
Synthetic 'textbook model' of a biological catalyst Scientists have developed a simple two-molecule chemical analogue of an enzyme and its substrate that neatly illustrates the fundamental principles of biological catalysis. |
Chemistry World April 19, 2012 Amy Middleton-Gear |
Catalyst delivery and recovery using MOFs Although heteropolyacids are excellent homogeneous polyoxometalate catalysts, recovering these molecules at the end of a reaction is often tricky and can have an impact on their application. |
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 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 27, 2013 Emma Eley |
Sustainable iron catalyst for clean hydrogenation An international team of chemists has reported a clean and green way to perform one of the most important industrial reactions for pharmaceutical and petrochemical synthesis. |
Chemistry World September 27, 2012 Charlie Quigg |
Cheaper component for greenhouse gas reduction catalyst Scientists from China have replaced the tungsten oxide in a widely used greenhouse gas reduction catalyst with iron oxide, which improves the selectivity and reduces the cost of the catalyst. |
Chemistry World December 17, 2009 Simon Hadlington |
Single catalyst gives two products from racemic mixture Chemists in the US have demonstrated a remarkable reaction in which a single catalyst can transform a racemic mixture - molecules identical in every way except for their chirality - into two distinct enantiomerically pure products. |
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 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 June 17, 2010 Andrew Turley |
Biocatalyst improves diabetes drug production Researchers have developed an enzyme that can produce a difficult to form chiral amine in a best-selling diabetes therapy. |
Chemistry World February 22, 2012 Nina Notman |
Mapping the reactivity of single nanocatalysts 'Using super resolution imaging we can map out where catalytic reactions occur on a single nanocatalyst,' says Peng Chen, the lead researcher based at Cornell University. |
Chemistry World September 22, 2015 Andy Extance |
Firming COFs up takes Michael reaction catalysis forward By making formerly fragile covalent organic frameworks resistant to harsh conditions, researchers have created what they think could be a powerful new catalyst concept. |
Chemistry World May 27, 2010 Simon Hadlington |
A novel designer surface catalyst for oxidations Scientists in China have developed a new surface-based catalyst that can selectively oxidise carbon monoxide to carbon dioxide in the presence of hydrogen. |
Chemistry World June 4, 2013 Emily Skinner |
Homogeneous catalysis for nanoscale surface designs Scientists in France have combined homogeneous catalysis and atomic force microscopy to create intricate surface patterns. |
Chemistry World October 9, 2014 Richard Massey |
Ionic liquid-gas interfaces: more than a surface glance Research by scientists in the UK suggests that small changes in the nature of binary ionic liquid systems can significantly alter their surface composition. |
Chemistry World January 24, 2011 Andy Extance |
Dimer delivers pinpoint recognition US researchers have synthesised a supramolecular host system that provides novel selective recognition of two different guest molecule types without cross-over or interference. |
Chemistry World October 21, 2012 Nina Notman |
Haber-Bosch power consumption slashed A new type of ruthenium catalyst could reduce the power consumption of ammonia production, claim Japanese scientists. |
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 February 1, 2012 Jon Evans |
Two become one for bio-oil upgrade The development of a couple of new and improved catalysts for upgrading bio-oil is bringing this novel approach to producing biofuels a step closer to the big time. |
Chemistry World October 1, 2010 Hayley Birch |
On-off catalyst mimics enzyme function US and Japanese researchers have created an enzyme-like catalyst whose activity can be switched on or off using small molecules. |
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 January 25, 2008 Simon Hadlington |
Catalysis Probed with MRI Scientists have developed a way of peering into a microreactor to watch gases react on a solid catalyst. |
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 March 20, 2008 James Mitchell Crow |
Surfactants Help Reactions Work in Water Scientists have discovered a surfactant that allows the catalytic organic reactions commonly used to assemble organic structures such as drug molecules to be run in water. |
Chemistry World February 11, 2008 Lewis Brindley |
Oxidation Goes Green A new 'green' strategy for making useful nitrogen-based chemicals has been announced by chemists in the UK. |
Chemistry World October 1, 2014 Karl Collins |
Twisting activity from amides When I think of asymmetric aldol reactions, what immediately springs to mind is using boron to control enolate geometry and chiral auxiliaries to impart facial selectivity in the addition step. |
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 April 11, 2011 Mike Brown |
One catalyst, two reactions Researchers in the US have designed a novel material that can catalyse two separate, sequential reactions to produce industrially relevant intermediates in one pot. |
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 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 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 July 20, 2006 Jessica Ebert |
Golden Touch for Amines Aminobenzene chemicals are used to make anything from dyes to pharmaceuticals, and now scientists have found a way to produce them in a more efficient way using a gold catalyst. |
Chemistry World March 4, 2011 Carl Saxton |
Real-world treatment for dye-contaminated effluents US scientists have found that a dye oxidation process using low levels of an iron catalyst could be used to degrade highly contaminated wastewater under ambient conditions. |
Chemistry World December 10, 2010 Carl Saxton |
Breaking news for the CO bond UK scientists have pinpointed the moment that the CO bond, the strongest bond of any diatomic molecule, breaks when oxidised by a gold catalyst. |
Chemistry World February 21, 2007 Tom Westgate |
Complex Organic Molecules Teamed with Iodine Chemists have developed a method for constructing complex halogen-containing organic molecules from simple compounds in a single step. The discovery could pave the way for the synthesis of many potentially useful naturally occurring molecules. |
Chemistry World July 16, 2012 Manisha Lalloo |
'Artificial Leaf' Under the Microscope Defects at the edge of the cobalt clusters give the Nocera catalyst its water splitting properties. |
Chemistry World November 3, 2014 Debbie Houghton |
Engineered metalloenzyme catalyses Friedel -- Crafts reaction Reprogramming the genetic code of bacteria to incorporate an unnatural amino acid has allowed scientists in the Netherlands to create a new metalloenzyme capable of catalyzing an enantioselective reaction. |
Chemistry World December 3, 2009 Hayley Birch |
Bio-Inspired Catalyst Design Could Rival Platinum French scientists have demonstrated the potential of a new fuel cell catalyst inspired by hydrogenase enzymes. |
Chemistry World October 2010 Paul Docherty |
Barekoxide and barekol Like most scientists, organic chemists can often obsess about a problem, endlessly pursuing the perfect yield or enantioselectivity, often leading to tears and broken glassware. |
Chemistry World September 1, 2009 Tom Bond |
Complex shines a light on its own creation A complex that spontaneously forms at a surface and then signals its own assembly has been created by scientists from the Netherlands. |
Chemistry World November 26, 2012 Laura Howes |
Protein coat prepares catalyst for cascades By protecting a transition metal catalyst with a protein coat, scientists have managed to couple up biocatalysts and chemical catalysts to perform a cascade reaction. |
Chemistry World December 19, 2010 Simon Hadlington |
Novel route to key aromatics US chemists have found a new way to create aromatic compounds from straight chains of hydrocarbons by using an iridium-based catalyst. |