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Transformations of Allyl-Substituted and Aryl-Allyl Esters ... - Strona 209
The interrelation between the allyl unit structure of the initial ester, composition and structure of transformation products is determined: - the origin of fl-substituent in the allyl unit of allyl aryl ester causes no effect on thermal rearrangement ...
Levashova, Gennady Zaikov,
2005
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «ARYL»
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aryl w wiadomościach.
Photoredox Catalysis Activates Aryl C–H Bonds In Amination Reaction
By combining two red-hot areas of organic chemistry—photoredox catalysis and C–H activation—chemists have discovered a method for transforming aryl C–H ... «The Biological SCENE, Wrz 15»
Shining a light on amine synthesis
Aryl amine compounds are widely used as pharmaceuticals as the nitrogen lone pair provides a binding site for enzymes, allowing drugs to inhibit their activity. «Royal Society of Chemistry, Wrz 15»
New synthetic path to potential diabetes drug
Aryl alkyl ethers are important structural motifs found in many biologically active ... methods have been described for the synthesis of chiral tertiary aryl ethers. «Zee News, Wrz 15»
Cyclobutane derivatives made from [2+2] cycloaddition of feedstock …
The pyridine(diimine) ligand is adjustable by changing the substituents on the imines as well as changing those on the aryl groups. Specifically, they changed ... «Phys.Org, Wrz 15»
Chemists hold a candle to reagent preservation
'I was working on carbon–fluorine bond formation and you take an aryl halide and you transform it into an aryl fluoride,' he explains. 'One of the caveats about ... «Royal Society of Chemistry, Sie 15»
'Seeing' molecular interactions could give boost to organic electronics
"This same methodology can be used to study any organic molecules that contain an aryl group," says Tomokazu Umeyama, the study's lead investigator. «Phys.Org, Lip 15»
New catalyst to create chemical building blocks from biomass
Producing these building blocks from lignin requires the selective hydrogenolysis of C-O bonds in phenols and aryl ethers, but their aromatic rings are also ... «Phys.Org, Lut 15»
Synthesis and characterization of a hexaarylbene with six unique …
One of the difficulties in adding aryl substituents to a benzene ring is that traditional reactions tend to add substituents symmetrically. Attempts to produce ... «Phys.Org, Lut 15»
Programmed synthesis towards multi-substituted benzene derivatives
Although there have been reports where up to three or four different aryl groups could be selectively installed onto benzene, this new study shows the selective ... «Phys.Org, Sty 15»
Neue Waffe des Immunsystems entdeckt
Der Aryl-Hydrocarbon-Rezeptor wurde lange Zeit nur von Pharmakologen und Toxikologen erforscht, weil er Umweltgifte erkennt. Doch auch im Immunsystem ... «Max-Planck-Gesellschaft, Sie 14»