Examples of 'enantiomeric excess' in a sentence
Meaning of "enantiomeric excess"
enantiomeric excess - a term used in chemistry to describe the difference in concentration between two enantiomers in a mixture
How to use "enantiomeric excess" in a sentence
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enantiomeric excess
A recrystallization can be performed to enhance enantiomeric excess.
The enantiomeric excess of a substance is a measure of how pure it is.
The samples were analyzed for enantiomeric excess and conversion.
Enantiomeric excess and diastereomeric excess are types of stereomeric excess.
Triazolium salts were found to give greater enantiomeric excess than thiazolium salts.
Enantiomeric excess and diastereomeric excess are types of stereometric excess.
Samples were taken and analyzed for enantiomeric excess using standard analytical techniques.
The enantiomeric excess of the product was determined by supercritical fluid chromatography.
Hydrogenation in aprotic solvents such as THF resulted in good enantiomeric excess.
Percent enantiomeric excess.
Such a process gives the desired products of formula II with a high conversion and enantiomeric excess.
Product isolation and enantiomeric excess determination was carried out as described below.
In practice, it is most often expressed as a percent enantiomeric excess.
The enantiomeric excess of a substance can also be determined using certain optical methods.
Percent recovery and percent of enantiomeric excess were both determined using HPLC.
See also
Enantiomeric excess is expressed as the difference in weight percentage between the two enantiomers.
The chiral purity or the enantiomeric excess and the colour are not reported.
Enantiomeric excess was determined by Mosher ester analysis or with chiral HPLC.
The ideal equivalence between enantiomeric excess and optical purity does not always hold.
Enantiomeric excess determined by chiral HPLC of the mono BOC piperazine amide.
Individual enantiomers may be isolated in a substantially pure form or in an enantiomeric excess ( ee ).
The enantiomeric excess in the glycidol formed in hydrolysis decreases as the conversion proceeds.
This was taken up in dichloromethane, and analysed by gas chromatography for enantiomeric excess.
The enantiomeric excess value gives an indication of the relative amounts of each enantiomer obtained.
The excess of one enantiomer over another is typically expressed as enantiomeric excess e . e.
The enantiomeric excess may be enhanced by separation using chiral preparative HPLC.
Second column gives optical purity in enantiomeric excess after ( x ) recrystallizations of separated enantiomer.
The enantiomeric excess of the product was determined as described in Step E below.
Furthermore, it is particularly advantageous that the enantiomeric excess is completely retained in the reaction.
The enantiomeric excess was measured by using GC with a chiral GC column without further purification.
Second column reflects optical purity in enantiomeric excess after ( x ) recrystallizations of the isolated enantiomer.
Enantiomeric excess was determined by Chiralpak AS column on HPLC.
The concentration of substrate may be chosen to optimise reaction time, yield and enantiomeric excess.
Enantiomeric excess for each individual enantiomer e.e.
The term " optically active " means that the enantiomeric excess is greater than zero.
The enantiomeric excess percentage can be calculated using the following equation,.
These were taken up in hexane, and analysed by HPLC for enantiomeric excess.
High enantiomeric excess can be obtained especially with trans - substituted olefins.
This was taken up in hexane, and analysed by HPLC for enantiomeric excess.
Furthermore, the enantiomeric excess may be increased by recrystallisation of the product of this process.
N, S-ligands provided the desired product in good yield and remarkable enantiomeric excess.
In this way, the enantiomeric excess resulting under the conditions used is maximized.
Product absolute configurations were established by sign of optical rotations . Enantiomeric Excess Determinations.
Enantiomeric excess determinations were carried out vía chiral gas chromatography . N-Acetylalanine methyl ester.
In other words, the compositions contain an enantiomeric excess of the R enantiomer over the S enantiomer.
The enantiomeric excess of the two separated isomers was determined under the following conditions,.
Increased incubation times appear to reduce the enantiomeric excess of R, R monatin that is produced.
Enantiomeric excess determined after ( x ) recrystallizations of enantiomer after initial isolation from diastereomeric salt.
The abbreviation " ee " stands for enantiomeric excess.
A higher enantiomeric excess is obtained at the lower temperature ; however, the reaction rate is slower.
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