Organic Chemistry Basics 1 Question 36
42. The total number of stereoisomers that can exist for $M$ is
(2015 Adv.)
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Answer:
Correct Answer: 42. $(a, b, c)$
Solution:
- Although the compound has two chiral carbons (indicated by stars), it does not has four optically active isomers as expected. It is due to its existence in cis-form only.
cis-form
trans-form (only hypothetical)
The above shown transformation does not exist due to restricted rotation about the bridge head carbons, hence only cis-form and its mirror image exist.
