Question

The letters ‘D’ or ‘L’ before the name of a stereoisomer of a compound indicate the correlation of configuration of that particular stereoisomer. This refers to their relation with one of the isomers of glyceraldehyde. Predict whether the following compound has ‘D’ or ‘L’ configuration.

Answer 1

Answer:

ANSWER

The letter

′

D

′

or

′

L

′

before the name of any compound indicates the relative configuration of a perpendicular stereoisomer. This refers to their relationship with a particular isomer of glyceraldehyde.

′

D

′

before the name of glucose represents the configuration whereas

′

(+)

′

represents the dextrorotatory nature of the molecule. It may remember that

′

D

′

and

′

L

′

have no relation with the optical activity of the compound.

For assigning the configuration of monosaccharides it is the lowest asymmetric carbon atom which is compound. The given compound has a L−configuration.

Explanation:

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