In accordance with the UG 4th SEMESTER Syllabus

1. Answers to Questions from Asymmetric Synthesis 2020
STUDY MATERIAL FOR UG IVTH SEMSESTER: PAPER-C10T Page 1
Answers to Questions from Asymmetric Synthesis
DR. SATYAJIT DEY
Department of Chemistry : Tamralipta Mahavidyalaya
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Q. No. 1: Predict the major product(s) in each of the following reactions, paying attention
to stereochemistry.
Answer:
A)
B)
C)
D)

2. Answers to Questions from Asymmetric Synthesis 2020
STUDY MATERIAL FOR UG IVTH SEMSESTER: PAPER-C10T Page 2
E)
You will get similar stereo-chemical result when methyl group is replaced by phenyl
group.
Q. No. 2: Which would be the appropriate starting material for the synthesis of the given
target molecule with the stereochemistry shown? Explain with retro-synthetic analysis
and mechanism.
Answer:
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3. Answers to Questions from Asymmetric Synthesis 2020
STUDY MATERIAL FOR UG IVTH SEMSESTER: PAPER-C10T Page 3
Q. No. 3: For each of the following molecules, do you expect to form as the major product the (Z)‐
or (E)‐enolate on reaction with lithium diisopropylamine in THF?
Answer:
A) B) C)
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