ketones In A Sentence

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• In this test, known as Rothera's test, methyl ketones ( CH 3 C ( = O )-) under alkaline conditions give bright red coloration ( see also iodoform test ).
• TERPENES, in organic chemistry, the generic name of a group of hydrocarbons of the general formula (C 5 H 8) n, and the more important oxygen derivatives, mainly alcohols, aldehydes and ketones, deriv
• Schiff bases can be obtained by reacting amines with ketones or aldehydes.
• Far too often, people who eat a low carb diet useKetostixto measure the ketones in their urine.
• Tungsten dihydride complexes can hydrogenate ketones stoichiometrically with no external acids.
• A urine test would have shown ketones through the roof.
• Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
• It is also effective for the stereoselective reduction of certain acetylenic ketones.
• I suspect it was the smell of ketones, as the author suggested.
• Ketones are generated whenever your body metabolizes fat.
• Ponndorf applied the reaction to ketones and upgraded the catalyst to aluminium isopropoxide in isopropanol.
• The calcium salts distilled with calcium formate yield aldehydes r distilled with soda-lime, ketones result.
• One quote that every doctor should read is on ketones.
• Ketone ester is a more pure form of ketones than coconut oil and works faster to heal the brain.
• I was particularly interested in the information it gave on ketones.
• For the most important ketones, however, traditional nonsystematic names are still generally used, for example acetone and benzophenone.
• In this reaction, two unsymmetrical ketones are being condensed using sodium ethoxide.
• In organic synthesis, TBAB can be used for selective reduction of certain functional groups including aldehydes, ketones, oximes, and imines.
• They catalyze the hydrogenation of alkenes, ketones, aldehydes.
• This is one effect of those ketones.
• However, in this process, ketones are also produced and ketotic hypoglycaemia is expected.
• The test checks for ketones in your urine and will display an indicated color if ketones are detected.
• Oxidative halogenation can be promoted by CAN as an " in situ " oxidant for benzylic bromination, and the iodination of ketones and uracil derivatives.
• Oximes are usually generated by the reaction of hydroxylamine and aldehydes or ketones.
• Click here to find out more about testing blood ketones.
• Ketones are not healthy for the body for any length of time.
• Dendral then was still very inaccurate in assessing spectra of ketones, alcohols, and isomers of chemical compounds.
• Look up the mechanism of ketal protection of ketones, and its the exact same mechanism for forming the groups in that molecule.
• In organic chemistry, his study of the ketones and aldehydes, begun in 1857, provided him with the subject of his other doctoral thesis.
• The Clemmensen reduction is particularly effective at reducing aryl-alkyl ketones, such as those formed in a Friedel-Crafts acylation.
• Urine for ketones as soon as any such symptoms of hyperglycaemia occur as described above.
• It is mainly used as a solvent in paint and a precursor to vitamin E . Two related and more important ketones are 2-pentanone and methyl isopropyl ketone.
• 5?-Pregnane is the parent of the progesterones, pregnane alcohols, ketones, and several adrenocortical hormones and is found largely in urine as a compounds.
• In addition, it can show ketones in ketoacidosis.
• Table 1 shows the percent yield of the ketone and epoxide products as well as the relative rates of reaction for the reactions between several methyl alkyl ketones and diazomethane.
• Thus, ketones are nucleophilic at oxygen and electrophilic at carbon.
• These compounds were then reacted with various ?-pyridinium methyl ketones "'32 "'to give the desired tri-substituted pyridine "'33 " '.
• If you're in ketosis you really need water to flush the ketones out of your system.
• Ketones in the urine can be detected using dipstick tests (e.g.
• The main element in Ketoacidosis is acid, not ketones.
• In 1981, Itsuno and coworkers first reported the use of chiral alkoxy-amine-borane complexes in reducing achiral ketones to chiral alcohols enantioselectively and in high yield.
• These were once used in the synthesis of ketones from acyl chlorides:.
• Ketones in the blood.
• Stoichiometric reactions that effect deoxygenation include the Wolff-Kishner reduction for aryl ketones.
• In particular, ?-arylation of cyclic ketones has been achieved under similar reaction conditions, but using azepane as the secondary amine cocatalyst.
• He went on to obtain a doctorate on " The Dehydrogenation of Alicyclic Compounds and Terpenic ketones in the Liquid Phase ", while lecturing at Sheffield University under Sir Patrick Linstead.
• I agree some people are pushing their mct oils and exogenous ketones to everyone and they shouldn't.
• Findings typically include persistent hyperglycemia (elevated blood sugar) and glucosuria (glucose in the urine). Often, ketones are present in the urine or blood.
• Imines are related to ketones and aldehydes by replacement of the oxygen with an NR group.
• The difference with carbohydrate counting is that the body goes into ketosis which helps the body burn fat when the liver converts fat to ketones.
• The chemical composition of the secretions seems to be useful in acyclic ketones and alcohols, and the Phalangiidae, naphthoquinones.
• In fact, evidence exists that ketones are toxic to cancer cells.
• In organic chemistry, these include ketones and many related carbonyl compounds.
• Samarium ( II ) bromide will reduce ketones in tetrahydrofuran if an activator is absent.
• Samarium metal (activated by HgCl2) is an effective reagent for allylation or benzylation of ketones. The corresponding tertiary alcs. are obtained in satisfactory yields.
• Your doctor can also check your urine or blood for ketones.
• Alcohols generated more than ketones by the hemolytic scission of the O-O bond in the metalloporphyrin catalyzed hydrocarbon oxidation system.
• Under normal dietary conditions ketones play a minimal role in energy prodcition.
• He suggests Oscar is able - like dogs, which can reportedly smell cancer - to detect ketones, the distinctly-odoured biochemicals given off by dying cells.
• The physician may also perform enzyme studies on or look for the presence of "reducing substances" in the child's urine, look for ketones in the urine, and measure enzyme activity in the red blood cel
• They are prepared by condensing thio-amides with a-haloid ketones or aldehydes, the thio-amide reacting as the tautomeric thio-imino acid.
• Examples of monomers that can be incorporated are methyl vinyl ketones methyl acrylate and acrylonitrile.
• Many people with diabetes can benefit from measuring blood ketones as part of their overall diabetes management program.
• The tertiary glycols are known as pinacones and are formed on the reduction of ketones with sodium amalgam.
• Sodium borohydride is a mild reducing agent that works well in reducing aldehydes, ketones, and acid chlorides.
• It is possible to transfer hydrogen in an intramolecular fashion, for example when converting allylic alcohols to ketones.
• Ketosis in low carb diets is a metabolic state that occurs when ketones are present in your body.
• The various methods for the umpolung of carbonyl compounds (aldehydes and ketones), secondary amines and the most frequently used umpolung reagents are introduced.
• ACETOPHENONE, or PHENYL-METHYL KETONE, C8H8O or C6H5CO.CH3, in chemistry, the simplest representative of the class of mixed aliphatic-aromatic ketones.
• They combine with aldehydes and ketones, with elimination of water and formation of mercaptals and mercaptols.
• This section focuses on pyrazole ketones, indole acetic acids, aryl alkyl acids non - steroidal anti - inflammatory drugs.
• Ketones, in chemistry, organic compounds of the type R CO R', where R, R' = alkyl or aryl groups.
• It oxidizes ketones to esters, in particular cyclic ketones, such as substituted cyclohexanones or cyclobutanones to give lactones ( Baeyer-Villiger oxidation ).
• Some of the companies in the territory and have been : SNIA S . p . A . for working with pozzolan's Italcementi in the chemical Caffaro ketones, Caffaro Benzoin the Se . co.
• Fat is used as ketones rather directly for energy.
• Another important use in organic synthesis is for alkylation of ketones, which would otherwise form enolates if simple organolithium reagents were to be used.
• Virtually, all ketones and aldehydes are highly odorous.
• When the fat burns and releases ketones it burdens the kidneys even more.
• Jones reagent interacts with secondary alcohols resulting in oxidation to ketones.
• In the presence of triethylamine and lithium diisopropylamide, enolisable aldehydes, ketones and esters are converted to trimethylsilyl enol ethers.
• This is true of the fatty acid series, and the corresponding ketones and alcohols, and also of the succinic acid series.
• Aldehydes and to some extent even ketones, hydrate to geminal diols.
• Ketones represent additional fuel beginning after about a day of starvation.
• Carboxylic acids react with Grignard reagents and organolithiums to form ketones.
• The compound is used as a precursor to heterocyclic compounds by reaction with ketones and aldehydes.
• For example, methanal, ethanal and propanone - the common small aldehydes and ketones - are miscible with water in all proportions.
• In fact, during ketosis, the body's main source of energy is ketones, and as a result the body does not burn lean muscle if you take in enough protein.
• In this article, the recent application in recent years of metal complexes composed of binaphthyl derivatives in asymmetric hydrogenation of prochiral alkenes, ketones and imines are reviewed.
• As a result, propionyl-CoA, propionic acid, ketones, ammonia, and other toxic compounds accumulate in the blood, causing the signs and symptoms of propionic acidemia.