Examples of 'regioisomers' in a sentence
Meaning of "regioisomers"
regioisomers (noun): Isomers that have different arrangements of atoms in the molecule resulting in different chemical properties. This term is used in the context of organic chemistry and chemical compounds
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- plural of regioisomer
How to use "regioisomers" in a sentence
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regioisomers
The two regioisomers are separated by flash chromatography.
This purification yielded separation of the regioisomers.
The regioisomers were separated by colum chromatography to yield.
Positional isomers are also called regioisomers.
The two regioisomers may be separated by chromatography or crystallization.
The title compound was obtained as a mixture of two regioisomers.
The identity of the regioisomers was confirmed by nOe studies.
A variety of methods can be used to provide these regioisomers.
The two regioisomers were isolated as a mixture.
A pyridinylene moiety has six regioisomers.
The regioisomers are not conveniently separated at this stage.
This separated the two regioisomers.
Assignment of the regioisomers was on the basis of nOe experiments.
Unsymmetrical diketones afforded a mixture of regioisomers.
Regioisomers may also occur.
See also
The compounds are obtained as a mixture of regioisomers.
Note the regioisomers were assigned on the basis on nOe studies.
The fractions contained in the desired regioisomers were concentrated to an oil.
The regioisomers were separated cleanly.
Meta substituent can afford both regioisomers as described above.
Both regioisomers eluted together.
There are several techniques of providing these substantially pure regioisomers.
The combined regioisomers were used together in the following step.
This can result in a number of possible regioisomers of the compounds prepared.
The two regioisomers were separated by crystallisation of the crude mixture.
Reaction with a disubstituted alkyne with trifluoroacetic anhydride can give a mixture of regioisomers.
Regioisomers are generally isolated by chromatography.
This sample was a mixture of regioisomers that was used as is for next step.
Regioisomers were not separated.
Standard processes such as recrystallization or chromatography may separate the resulting lactam regioisomers.
The ratio of enolate regioisomers is heavily influenced by the choice of base.
This means that the reaction yield is not reduced by these unwanted regioisomers.
Two regioisomers were formed.
Prior synthetic processes frequently yielded mixtures of regioisomers which required further separation.
Both regioisomers isolated.
The first and second isomers eluted correspond to the first pair of regioisomers.
Regioisomers of each other.
The present invention covers both the mixture of regioisomers as well as individual compounds.
Both regioisomers were obtained and carried through to the next step as a mixture.
The third and fourth isomers eluted correspond to the second pair of regioisomers.
Fist the two regioisomers were separated using achiral reverse phase chromatography.
In the case of benzoxazolyl substituted enaminonitriles under the same conditions both regioisomers are formed.
A mixture of regioisomers is formed and the regioisomers can be separated by column chromatography.
This mixture was used in the subsequent step without any attempt to separate the regioisomers.
The two regioisomers were obtained along with mixtures of the free hydroxy analogs.
The above methodology when applied to diketo derivatives also affords a mixture of pyrazole regioisomers.
The ratio of the two regioisomers is dependent on the base and solvent used.
This material was purified by SFC to resolve the regioisomers.
Two regioisomers can sometimes exist for certain compounds used in the invention.
Heating yields both benzimidazole regioisomers VI.
