Which of the following combinations amongst the four Fischer projections represents the same absolute configurations?
A
II and III
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B
I and IV
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C
II and IV
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D
III and IVs
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Solution
The correct option is C II and IV The given compound is in Fischer projection. To assign absolut configuration priority for the group should be given according to their atomic number/mass.
From the figure, we can see projection (II) and (IV) has 'R' absolute configuration and (I) and (III) has 'S' absolute configuration. Thus, option (c) is correct.