Examples of 'diastereomeric excess' in a sentence
Meaning of "diastereomeric excess"
diastereomeric excess: In chemistry, diastereomeric excess refers to the difference in the amount of one diastereomer compared to another in a mixture. It is often used to quantify the degree of stereoselectivity in a reaction
How to use "diastereomeric excess" in a sentence
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diastereomeric excess
A diastereomeric excess can be determined according to a conventional method.
We can define a quantity de diastereomeric excess.
The diastereomeric excess of the obtained atropisomer can be determined according to conventional methods.
De refers to diastereomeric excess.
This process may be repeated again to get a desire level of diastereomeric excess.
Enantiomeric excess and diastereomeric excess are types of stereomeric excess.
Accordingly, the resulting compounds of the invention are having a diastereomeric excess of at least 80 %.
Enantiomeric excess and diastereomeric excess are types of stereometric excess.
Diastereomeric excess ( de ) was determined by HPLC.
BFirst column reflects optical purity in diastereomeric excess after initial isolation of the diastereomeric complex.
The optical purity was determined to be 99 % diastereomeric excess.
Percent diastereomeric excess.
Of one enantiomer, or a mixture containing a diastereomeric excess ( d . e . ).
Further, the diastereomeric excess of the obtained salt was determined.
The salt according to Claim 1 having a percentage diastereomeric excess of greater than 90 %.
See also
The term diastereomeric excess relates to the chiral centres designated in formula ( 1 ) by asterisks.
Diastereomeric purities expressed as diastereomeric excess ( de ) were calculated from peak areas.
The diastereomeric excess of the sample was found by this method to be 99.7 %.
The same arguments are valid for changing diastereomeric excess ( de ) to diastereomeric ratio dr.
The diastereomeric excess of compound A produced in this set-up was higher than 95:5.
Certain such compounds have a diastereomeric excess of at least 99 %.
Preferably, the diastereomeric excess in the sulfate is about 95 % based on the HPLC method.
And wherein A is present in the mixture in a diastereomeric excess of at least 90 % relative to B.
Both isomers were obtained as an yellow solid with diastereomeric excess > 95 %.
First column gives % optical purity in diastereomeric excess after initial crystallization of diastereomeric complex.
This material had an optical purity of 92 % diastereomeric excess.
The enantiomeric and diastereomeric excess is 90 % or greater.
A compound of any preceding claim wherein the ( R, S, R ) isomer is in a diastereomeric excess of 95 % or more.
Similarly, diastereomeric excess d . e.
The analysis of the crude by LC-MS showed a diastereomeric excess of 77 %.
The enantiomeric and / or diastereomeric excess may be 90 % or greater.
In a further embodiment, the enantiomeric and diastereomeric excess is 95 % or greater.
The enantiomeric and / or diastereomeric excess maybe 95 % or greater.
In one embodiment, the enantiomeric and / or diastereomeric excess is 99 % or greater.
An analogue definition applies for a diastereomeric excess ( " de " ), also referred to as " diastereochemical purity ".
In one disclosure, the enantiomeric and / or diastereomeric excess may be 99 % or greater.
Compound according to Claim 9 with a diastereomeric excess greater than 80 %.
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Conformational preferences of diastereomeric rotamers have been investigated
The diastereomeric mixtures can be separated by conventional methods
Analytical conditions for analysis of diastereomeric purity
Examples of using Excess
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Wipe off any excess or spilled oil
Excess force may damage the mechanism
You do not have excess lizard spirit
