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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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 January 8, 2014 Karl Collins |
Oxidation station Small molecules are making significant inroads -- with reactivity and selectivity approaching levels previously thought unachievable. |
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 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 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 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 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 August 11, 2010 Simon Hadlington |
Non-metal-catalysed C-C coupling Chinese chemists have successfully coupled aromatic molecules without the use of a transition metal catalyst - something that people have been trying to do for years with little success. |
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 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 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 February 6, 2015 Elisabeth Ratcliffe |
Exploiting the chirality of DNA DNA has emerged as an innovative way of controlling the chirality of a reaction product by binding catalysts in such a way that one enantiomer is preferentially generated. |
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 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 June 2007 Dylan Stiles |
Opinion: Bench Monkey This PhD student takes an organic chemist's tour around the periodic table. |
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 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 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 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 January 6, 2010 Phillip Broadwith |
Enzymes do the twist The way enzyme catalysts bind molecules to speed up their reactions is not as simple as once thought, say chemists from the UK and Spain. |
Chemistry World March 20, 2007 Tom Westgate |
Is Your Lab Ready to go Veggie? In a recently published review article, Geoffrey Cordell demonstrates that the greengrocer's could be an unexpected goldmine of sustainable, cheap reagents that would benefit chemistry in developing countries. |
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 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 February 13, 2013 James Mitchell Crow |
Tapping proton power for enantioselective synthesis A simple proton is the key to a novel approach by US-based chemists to synthesize chiral amines and alcohols -- a structural motif common to many organic molecules with pharmaceutical promise. |
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 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 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 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 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 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 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 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 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 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. |