Organic Chemistry
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Which of the given molecules is/are meso compound/s?
How many possible stereoisomers can the following compound have?
What is the total number of stereoisomers possible for the given molecule?
Each chiral center in a meso compound will always have opposing absolute configurations. As a result, a meso compound will always have an (R,S) or (S,R) configuration but never an (R,R) or (S,S). Why?
Identify whether a meso compound is a possible stereoisomer of the following compounds.
a. 2,4-dibromopentane
b. 1,3-dibromocyclopentane
a. 1,2-dibromocyclopentane
b. 1,4-dimethylcyclohexane
a. hexane-2,4-diol
b. heptane-2,6-diol
Identify whether each of the following compounds has one or more achiral stereoisomers.
a. butane-2,3-diol
b. pentane-2,3-diol
Classify the following compounds as chiral or achiral.
a. (2S,3S)-2-bromo-3-chloropentaneb. (3R,4S)-3,4-dichlorohexane
Try to keep your drawing as symmetric as possible and mark any stereocenters with an asterisk (*). Indicate if a compound is meso. You can draw Fischer projections if that's preferable.
Although the following molecule contains atoms with four different groups attached, why is it not chiral?
True or False: The following molecule is a meso compound.
From the following molecules, determine the meso compound/s.
From the following molecules, pick which is/are meso compound/s.
From the given compounds, which one is meso?
Determine if (i) 1,5-dichlorocyclooctane and (ii) 2,4-dichloropentane have any achiral stereoisomers.
Do the molecules (i) 1,2-diisopropylcyclopentane and (ii) cyclobutane-1,2-diol have any achiral stereoisomers?
For the structure below:
i) Encircle the chiral centers.
ii) Label each chiral carbon as (R) or (S).
iii) Draw the internal plane of symmetry, if applicable.
iv) Classify as chiral or achiral.
v) Identify if it is a meso compound.