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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 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 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 September 20, 2007 Lewis Brindley |
New Catalyst Rings the Changes Organic chemists in the US have developed a method to control the stereochemistry of a useful intramolecular Diels-Alder reaction. |
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 February 19, 2010 Simon Hadlington |
Forcing stereoselectivity on reactive cations Chemists in the US have devised a dual catalyst strategy to tame the highly reactive iminium ion to give a high degree of stereochemical control over subsequent reactions of the ion. |
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 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 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 September 6, 2006 Michael Gross |
Selective Shortcut Chemists have developed a simple catalyst that speeds up the synthesis of a chiral protected building block used in many complex syntheses. |
Chemistry World July 26, 2007 Tom Westgate |
Counterion Does the Twist US chemists have achieved a breakthrough in the design of catalysts that selectively produce chiral compounds. |
Chemistry World October 31, 2014 Andy Extance |
Acid choice flips enantioselectivity Organic chemists in Ireland have developed a pair of reactions they think are unique in producing predominantly one of two mirror-image products without a change of catalyst. |
Chemistry World March 8, 2011 Jon Cartwright |
Carbon nanotubes - a boon for chiral catalysts Researchers in China have created a new catalyst that could help in the production of chiral molecules for medical drugs. The catalyst, which consists of platinum nanoparticles encapsulated in carbon nanotubes, is the most active of its type ever reported. |
Chemistry World April 19, 2009 Hayley Birch |
Chiral metals shape up for catalysis Dutch and Israeli scientists have found a way to induce the chirality usually only found in organic materials in palladium. |
Chemistry World June 10, 2010 Phillip Broadwith |
A green and salty chiral catalyst An efficient, chiral, salt-based hypervalent iodine catalyst has been discovered by Japanese chemists that could replace toxic metal catalysts without generating the waste or explosion risks associated with hypervalent organo-iodine complexes. |
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 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. |
Technology Research News June 16, 2004 |
Genes Automate DNA Machines Researchers have taken a step toward automating nanomachines with a method that allows instructions for a DNA-based machine to be contained in a gene, or another stretch of DNA. |
Chemistry World October 10, 2010 Andy Extance |
DNA strides into organic synthesis US scientists have used a DNA walker to synthesise an organic molecule in a series of steps, without intervention, for the first time. |
Chemistry World November 7, 2014 Katrina Kramer |
Stressed ligands switch catalysis selectivity Researchers have discovered that enantioselectivity in palladium-catalyzed reactions depends on the ligand's intramolecular strain. |
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 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 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 October 16, 2015 Philippa Matthews |
One pot recipe for incompatible catalytic transformations Researchers from the US have demonstrated a new catalyst support structure allowing two incompatible catalysts to work in tandem. |
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 13, 2015 Cathy Sorbara |
Hitching a ride on DNA In the congested intracellular environment, scientists in the Netherlands and the US have found a way for molecules to maneuver through the crowds and arrive at their destination faster. |
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 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 September 13, 2013 Anthony King |
Spinning a catalytic yarn Scientists in Germany have revealed a revolutionary new support for catalysts -- cloth. They succeeded in permanently securing organocatalysts onto nylon using ultraviolet light, without any need for chemical modification. |
Chemistry World February 10, 2011 James Urquhart |
Molecular motor controls chirality A single molecule catalytic system that uses a light driven molecular motor to dynamically control the molecule's chiral states has been developed by scientists in the Netherlands. |
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 28, 2010 Jon Cartwright |
Reactions on DNA origami watched with AFM Chemists in Denmark have for the first time imaged chemical reactions on a DNA origami scaffold so that they can precisely attach single molecules, involving atomic force microscopy. |
Chemistry World July 15, 2011 Laura Howes |
Cyclodextrin Dimer Becomes Synthetic Polymerase Chemists have made an artificial polymerase that doesn't need a metal catalyst or organic solvents and is more efficient than current bioinspired approaches. |
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 November 28, 2013 Andy Extance |
Base metal catalysts strike hydrogenation gold Three teams have shown that chemists need not rely only on expensive and toxic precious metal catalysts for hydrogenation -- they've found complementary alternatives based on cheap, abundant and safer transition metals. |
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 March 17, 2014 Eleanor Merritt |
Four steps to asthma treatment Scientists based in the US have devised a new way to make Montelukast, a drug used in the treatment of asthma and seasonal allergies. |
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 24, 2012 |
Less is more for DNA reactions A technique allowing the use of small amounts of DNA for efficient DNA-directed chemistry has been developed by scientists in Germany. |
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 March 5, 2014 Andy Extance |
Rotaxanes make symmetry history A UK team has stumbled upon an efficient way to separately produce each member of an unusual mirror image pair of chemical systems that has eluded scientists for over four decades. |
Chemistry World February 8, 2012 Jon Evans |
DNA walker strides towards the light DNA molecules are now able to enjoy a stroll in the sunshine, thanks to US and Chinese chemists who have developed the first light-powered DNA walker. |
Chemistry World February 6, 2011 Laura Howes |
Cells as test tubes Chemists have used living cells as test tubes to carry out chemical reactions never before seen within living cells. |
Chemistry World October 23, 2012 Amy Middleton-Gear |
Plant power! To combat our reliance on fossil fuels, US scientists have discovered a new route for turning the carbohydrate cellulose -- the most abundant organic molecule on Earth -- into 5-(hydroxymethyl)furfural, a promising precursor molecule to alternative fuels. |
PC World February 1, 2002 Kuriko Miyake |
Olympus Unveils DNA Computer Rather than relying on a microprocessor, computer runs on reactions between fragments of DNA... |
Chemistry World December 9, 2015 Matthew Gunther |
Speedy DNA nanomachines are on a roll Scientists in the US have developed a DNA roller that is 1000 times faster than most synthetic DNA-based motors and can also pinpoint single mutations. |
Chemistry World July 16, 2013 Harriet Brewerton |
Accelerating stereochemical analysis A chemosensor has been developed by scientists in the US to speed up the quantitative stereochemical analysis of chiral amino alcohols and diamines. |
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 January 30, 2009 Hayley Birch |
Nanocrystals Get in Shape for Catalysis New research in fine tuning the shape and size of nanoparticles could lead to important advances in catalysis. |
Chemistry World October 19, 2009 Simon Hadlington |
DNA stretching mystery solved A detailed understanding of the elastic properties of DNA can give scientists key insights into interactions of DNA and the proteins that carry out these manipulations. |