Label each asymmetrical carbon in the compound shown below in Fisher Projection
ID: 986292 • Letter: L
Question
Label each asymmetrical carbon in the compound shown below in Fisher Projection
As you can see the answer is is blue. However instead of (2S,3S) i'm getting (2R, 3R). This is how I labeled the functional groups for Carbon 2; 1. OH 2. CH2OH, 3. CHCH2OH 4. H. This means that it would go counter-clockwise which is S however H is on wedged line which reverses it to R. So now I'm just confused. I believe CH2OH gets priority of CHCH2OH because the Oxygen comes first in CH2OH.
PLEASE EXPLAIN!!!!!!!!!!!!!!
Explanation / Answer
I got your problem, at the time of labelling the H atoms must be present in the vertical direction, if the H is present in the horizontal then the correct answer will be inverted
Hence the compound should be R, but since H is not present in the vertical direction, hence the correct answer will be 2S,3S in place of 2R,3R
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