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Stereoisomerism

The process o...

Question

The process of separation of racemic modifications into d and l enantiomers is called :

A

Resolution

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B

Dehydration

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C

Revolution

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D

Dehydrohalogenation

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Solution

The correct option is A Resolution
The process of separation of racemic modifications into their d and l enantiomers is called resolution.
So answer is A.

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Similar questions

Q. The process of separating a racemic mixture into optically pure

(+)

(-)

enantiomers is known as :

The process of converting one enantiomers of an optically active compound into racemic mixture is called:

Q. The method of separation of enantiomers from racemic mixture is known as:

Q. The process of conversion of an optically pure enantiomer into an optically inactive equimolecular mixture of

(+)

(-)

enantiomers is called:

A schematic analysis of the reaction of one enantiomer with racemic mixture is shown below

\begin{matrix} d & + & d a n d l & \to & (d) - (d) T h e (+) f o r m o f & A r a c e m i c m i x t u r e o f & + c h i r a l m o l e c u l e s & o t h e r m o l e c u l e s w i t h & (d) - (l) 50 % (d) a n d 50 % (l) \end{matrix}

The products (d-d) and (d-l) are clearly neither identical nor enantiomers (non-superimposable mirror images) as the mirror image of (d-d) is (l-l) not (d-l). They are diastereomers, 'stereoisomers that are not mirror images'.

The formation of diastereomers allows the separation of enantiomers (called resolution) which is not easy as enantiomers have identical physical properties. One general procedure for separating enantiomers is to allow them to react with naturally occurring chiral molecule to form a pair of diastereomers. These can be separated easily as they have different physical properties. if the original chemical reaction can be reversed, the enantiomers can be isolated.

Which of the following is an example of diastereomers?

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