Examples of 'racemic compounds' in a sentence
Meaning of "racemic compounds"
Racemic compounds: Compounds that consist of equal amounts of two enantiomers (mirror-image isomers), often denoted as a 50:50 mixture
How to use "racemic compounds" in a sentence
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racemic compounds
Preparation of the racemic compounds.
Mixtures of their racemic compounds have been developed in counteracting a range of malodors.
These may be the optically active substances or racemic compounds.
Racemic compounds can be used to prepare specific compounds as single enantiomers.
The invention both relates to racemic compounds and individual enantiomers.
Racemic compounds possessing such indicated relative stereochemistry are marked with.
Most of the enantiomers have been separated from their corresponding racemic compounds.
Racemic compounds of the invention may be obtained from racemic starting materials.
There are presently many methods available for the resolution of racemic compounds.
The present invention includes both racemic compounds and optically active isomers.
Enantiomers of racemic compounds were separated by chiral stationary phase high pressure liquid chromatography.
The isomers form part of the invention equally with the racemic compounds.
The data for the racemic compounds is for the more active diastereomer.
This invention includes also these stereoisomers and a mixture thereof and racemic compounds.
The racemic compounds can be resolved into their component enantiomers vía a number of known techniques.
See also
These stereoisomers and their mixture and racemic compounds are also included in this invention.
Racemic compounds containing adenine moiety may also be resolved by the action of adenosine deaminase.
The present invention contemplates both the racemic compounds as well as individual isomeric forms.
The racemic compounds of Formula I are known in the art.
The following single enantiomers were prepared by separation of the racemic compounds by chiral HPLC.
The present specification describes the racemic compounds themselves and optically active enantiomers thereof.
Those various isomers form part of the invention, as do the racemic compounds.
Further, they may be racemic compounds or optically active compounds.
According to these patents, tamsulosin is prepared from a mixture of the racemic compounds as a rawmaterial.
Previously, racemic compounds were employed since synthetic methodologies were unable to achieve chiral induction.
The compounds shown in Reaction 1 can be racemic compounds or optically active compounds.
Racemic compounds of the present invention can also be resolved into their optical antipodes, e . g.
In the present invention, both racemic compounds and optical isomers alone may be used.
Racemic compounds of formula I in which,.
In the Examples which follow, racemic compounds are denoted as such in the name.
Racemic compounds can e . g.
Examples 1 to 4 relate to the preparation of the racemic compounds according to the Invention.
Moreover, not all racemic compounds can be resolved to provide a satisfactory yield of a desired enantiomer.
These N-long-chain-acyl dipeptides may be either racemic compounds or optically active compounds.
For racemic compounds the IC50 values for inhibition of DA uptake were generally < 1 µmol.
Objects of the present invention are all racemic compounds of formula I, including their corresponding enantiomers.
Mohacsi, E., has described methods of preparing 3-phenoxy-morphinans, which are obtained as racemic compounds.
A suitable synthesis for the racemic compounds according to the present invention is the following,.
When R1 is a hydrogen atom, the ketones of formula ( II ) lead to racemic compounds of formula ( I ).
For example, the following racemic compounds were separated into enantiomers under the conditions detailed below.
The solution was then lyophilized to give a mixture of racemic compounds J / K ( 227mg, quantitative yield ).
Similarly, racemic compounds of formula ( I ) or ( II ) can be prepared by using racemic starting materials.
The reaction provides racemic compounds of formula ( IV ).
Samples of B-D isomer and racemic compounds were prepared as reported Belleau et al.
Compounds designated ( R / S ) are racemic compounds where the relative stereochemistry is as drawn.
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