Similar Articles |
|
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 15, 2015 Emma Stoye |
Cobalt could cut costs for pharma ingredients A new kind of cobalt catalyst can be used in the hydrogenation of esters and carboxylic acids to alcohols without the need for extremely high temperatures or expensive precious metals. |
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 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 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 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 April 26, 2007 Richard Van Noorden |
Hydrogen Busters go Synthetic Chemists have created a small molecule which mimics the way natural enzymes chew up hydrogen. The model should inspire designs for new catalysts that can break up hydrogen in fuel cells; or (running in reverse) help produce the fuel for a hydrogen economy. |
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 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 2007 Dylan Stiles |
Opinion: Bench Monkey This PhD student takes an organic chemist's tour around the periodic table. |
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 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 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 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 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 December 12, 2007 Jonathan Edwards |
Aqueous Fischer-Tropsch is Clean and Green Chinese chemists have carried out the Fischer-Tropsch reaction in water for the first time, bringing a greener route to hydrocarbon fuels a step closer. |
Chemistry World April 30, 2015 Rebecca Trager |
Anton Toutov: The power of potassium Toutov says the potassium catalyst he has developed costs only about $30 per mole, or less. 'It is safer and non-toxic, and a lot more cost-effective,' he states. |
Chemistry World November 10, 2011 David Bradley |
A soluble solution to the Haber process? A clearer understanding of the activity of the key component of the Haber-Bosch process - the catalyst - could help to optimize industrial nitrogen fixation still further and remove the need for high temperatures and pressures. |
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 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 October 10, 2007 Ned Stafford |
Catalytic Converters go Nano Mazda Motor Corporation has unveiled a new generation of catalytic converters that use 70 to 90 per cent less of the precious metals which help to purify exhaust emissions. |
Chemistry World June 23, 2010 Simon Hadlington |
New catalyst for hydrogen from formic acid Chemists in Germany have taken a leaf out of nature's book to develop a new, low-cost, iron-based catalyst powered by light that can extract hydrogen from formic acid. |
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, 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 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 October 22, 2009 Simon Hadlington |
Carbenes catalyse metal-metal bonds in organometallics Chemists in the US have discovered a novel way to transform organometallic compounds so that new metal-metal bonds are created. |
Chemistry World March 24, 2009 Lewis Brindley |
Producing powerful palladium particles US scientists have found a way to clean up the production of palladium nanoparticles - doubling their performance as catalysts for fuel cells. |
Chemistry World August 11, 2011 Josh Howgego |
Enzyme Inspired Nickel Complex Races to Produce Hydrogen A cheap nickel catalyst could pave the way for the industrial production of hydrogen - a step on the road to a hydrogen economy. |
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. |
Geotimes September 2003 |
Mineral Resource of the Month: Platinum-group metals U.S. Geological Survey Platinum-Group Metals Commodity Specialist Henry Hilliard has prepared this information on the rare and valuable platinum-group metals. |
Reactive Reports March 2005 David Bradley |
Losing the Sulfur Dutch researchers have figured out why the activity of catalysts used to produce clean fuels gradually falls. Their findings show that loss of sulfur atoms from the catalyst itself is to blame and could lead to a way to remedy the situation. |
Chemistry World February 27, 2013 Simon Hadlington |
Supercharging methanol for fuel cells Scientists in Germany and Italy have discovered a way to derive hydrogen gas from methanol at low temperatures and pressures using soluble ruthenium-based 'pincer' catalysts. |
Chemistry World May 30, 2013 Helen Potter |
Soybean catalyst for hydrogen evolution A catalyst made from soybeans could overcome a major barrier to cheap hydrogen fuel by replacing the platinum catalyst used in the electrocatalytic production of hydrogen, claim scientists in the US. |
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 August 15, 2012 Steve Down |
Single catalyst for oxidation and reduction of water European scientists have developed a catalyst based on cobalt that generates hydrogen from water in a simple electrochemical process using low overpotentials, with the added bonus that it can also be used to produce oxygen after anodic equilibration. |
Chemistry World February 28, 2014 Tim Wogan |
Fuel cells put in the frame with catalysts that need far less platinum US scientists have created an exceptional fuel cell catalyst that contains far less platinum -- conventional catalysts need 36 times more platinum to hit the same levels of activity. |
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 May 23, 2011 Simon Hadlington |
Homing in on a cheaper Haber-Bosch process A cheaper alternative to the Haber-Bosch process could have moved a step closer thanks to a new ruthenium-based catalyst complex developed by chemists in Germany. |
Chemistry World September 4, 2013 Mark Peplow |
Iron catalyst offers nitrogenase clues It is one of the most enduring mysteries in chemistry: how do certain bacteria fix nitrogen from the air? |
Chemistry World November 12, 2008 Lewis Brindley |
Microscope Reveals Catalyst Secrets A promising technique for watching catalysts in action could provide new insights into how they work, report scientists in the Netherlands. |
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 28, 2009 Lewis Brindley |
New catalyst means cheap hydrogen from power stations A new catalyst system could improve the efficiency of gas-fired power stations by producing hydrogen gas as a by-product, say Dutch researchers. |
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 11, 2011 Laura Howes |
Pocket sized fuel cell, a step closer A new catalyst for hydrogen evolution could see you carry around a fuel cell in your pocket to power electronic devices. |
Chemistry World January 10, 2014 Jennifer Newton |
Nitrenium hugs stabilize positively rare complexes Everyone knows that like charges repel one another. But unusual coordination compounds bearing cationic ligands bound to cationic metals have been prepared by scientists in Israel, opening up fresh opportunities for organic transformations. |
Chemistry World December 13, 2009 Lewis Brindley |
Breaking the strongest bonds Chemists have uncovered a way to sever two of the strongest bonds in chemistry - in dinitrogen and carbon monoxide - and make useful organic compounds. |
Chemistry World May 14, 2009 Hayley Birch |
Two metals better than one for fuel cell catalysts US scientists have reported a dramatic improvement in the activity of catalytic nanoparticles destined to replace platinum in fuel cells. |
Chemistry World August 28, 2014 |
Trekking across chemical frontiers Thinking about getting molecules to where they need to go is a new concept for the novice process chemist, but is familiar to chemical engineers as mass transfer. |
Chemistry World February 24, 2011 James Urquhart |
Elusive form of iron captured Researchers in the US and Germany have synthesised and characterised an iron nitride compound that reacts with water to produce high yields of ammonia under mild conditions. |
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. |