Ví dụ về việc sử dụng Racemic trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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The commercially available product is a racemic mixture of them.
Racemic and regular PLLA has a low glass transition temperature, which is undesirable.
A 1:1 mixture of a pair of enantiomers is a"racemic" mixture.
As a Racemic compound, Modafinil has both R- and S-enantiomers in equal proportions in its structure.
A mixture of 1:1 pair of enantiomers represents a"racemic" mixture.
The active ingredient of reboxetine is a racemic mixture of two enantiomers, the R, R and S, S isomer.[33].
It is approximately13 percent less potent(by molarity) than racemic bupivacaine.
The cardiovascular effects of racemic dobutamine are a composite of the pharmacological properties of the(-) and(+) stereoisomers.
Amodafinil is the(-)-( R)-enantiomer of the active ingredient in the racemic drug modafinil.
Racemic menthol can be prepared simply by hydrogenation of thymol, and menthol is also formed by hydrogenation of pulegone.
The commercial preparations of this drug are the racemic mixture of both enantiomers of the compound.
Polymerization of a racemic mixture of L- and D-lactides usually leads to the synthesis of poly-DL-lactide(PDLLA), which is amorphous.
Dexlansoprazole is the R-enantiomer of lansoprazole(a racemic mixture of the R- and S-enantiomers).
The racemic parent compound racemorphan was first described in a Swiss and US patent application from Hoffmann-La Roche in 1946 and 1947, respectively;
This article is about the psychostimulant drug, methamphetamine, in both racemic and dextrorotatory forms.
The standard commercial product is a racemic mixture of both versions, but pure isomers can be obtained by hydration of optically pure propylene oxide.
It is the active dextrorotatory enantiomer of ibuprofen.[1]Most ibuprofen formulations contain a racemic mixture of both isomers.
The racemic parent compound of dextromethorphan, racemorphan, was first described in a Swiss and US patent application from Hoffmann-La Roche in 1946 and 1947, respectively.
Paper on the discovery of the transformation of tartaric acid into racemic acid, discovery of the optically inactive tartaric acid.
The marketed product is a racemic mixture of two stereoisomers; dexmedetomidine is the isomer with more useful effects, and is now marketed as Dexdomitor.
Any asymmetric atom(e.g., carbon or the like)of a compound can be present in racemic or enantiomerically enriched, for example the(R)-,(S)- or(R, S)-configuration.
The racemic parent compound racemorphan was first described in a Swiss and US patent application from Hoffmann-La Roche in 1946 and 1947, respectively; a patent was granted in 1950.
Methylamine is prepared commercially by the reaction of ammonia with chloromethane, and the reaction of ammonia with 2-bromopropanoicacid has been used to prepare racemic alanine in 70% yield.
Its racemic form is sometimes known as(±)-α-methylbenzylamine.[32] Both benzylamine and 1-phenylethylamine form stable ammonium salts and imines due to their relatively high basicity.
Felodipine is a member of the 1,4-dihydropyridine class of calcium channel blockers.[6]: 20-21 It is a racemic mixture, and is insoluble in water but is soluble in dichloromethane and ethanol.[6]: 25.
Pharmacokinetic interaction studies performed with racemic cetirizine demonstrated that cetirizine did not interact with antipyrine, pseudoephedrine, erythromycin, azithromycin, ketoconazole, and cimetidine.
In a study of psychoactive effects of levomethamphetamine, the intravenous administration of 0.5 mg/kg(but not 0.25 mg/kg) in recreational methamphetamine usersproduced scores of"drug liking" similar to racemic methamphetamine, but the effects were shorter lived.
In 1834,Théophile-Jules Pelouze distilled both tartaric acid(L-tartaric acid) and racemic acid(a mix of D- and L-tartaric acid) and isolated pyrotartaric acid(methyl succinic acid) and another acid that Jöns Jacob Berzelius characterized the following year and named pyruvic acid.
Vigabatrin is an irreversible mechanism-based inhibitor of gamma-aminobutyric acid aminotransferase(GABA-AT), the enzyme responsible for the catabolism of GABA, which increases the level of GABA in the brain.[1][19]Vigabatrin is a racemic compound, and its[S]-enantiomer is pharmacologically active.[20],[21].
Since the 19th century, the salt has been obtained industrially by fermentation of carbohydrates in the presence of calcium mineral sources such as calcium carbonate or calcium hydroxide.[1]: p200[9][3]Fermentation may produce either D or L lactate, or a racemic mixture of both, depending on the type of organism used.[11].