The structure A represents Wedge-Dash Notation of a compound. The structures I to IV represents Fischer Projections for the same compound. Which Fischer Projection is correct representation of structure A?
A
I
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B
II
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C
III
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D
IV
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Solution
The correct option is A I The structure A represents Wedge-Dash Notation of a compound. The structures I to IV represents Fischer Projections for the same compound. The Fischer Projection I is correct representation of structure A. Note: In a Fischer Projection, the vertical lines are oriented away from you and the horizontal lines are oriented toward you. The most oxidized group is placed at the top. In Wedge-Dash Notation for three-Dimensional Representation of an organic molecule, the dashed bond represents a bond below the plane of the paper. The wedged bond represents a bond above the plane of the paper. The remaining two bonds (represented by solid line) are in the plane of the paper.