Roll No.
Total No. of Questions : 06
Total No. of Pages : 02
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M.Pharma(Pharmaceutical Chemistry) (2017 & Onwards) (Sem.-1)
ADVANCED ORGANIC CHEMISTRY-I
Subject Code : MPC-102T
M.Code: 74664
Time: 3 Hrs.
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Max. Marks : 75
INSTRUCTIONS TO CANDIDATES :
- Attempt any FIVE questions out of SIX questions.
- Each question carries FIFTEEN marks.
Q1. a. Explain the stability of Free radicals with suitable examples. 3
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b. Write down the products of formations from the reaction of nitrene and alkene. 3
c. Describe the methods of generation of carbenes. 3
d. Write down two methods for generation of carbanion centre from carbonyl carbon. 3
e. Discuss the stereochemical aspect of El and E2 reactions. 3
Q2. Write down the reaction mechanism of the following reactions:
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a. Baeyer-Villiger Oxidation 5
b. Shapiro Reaction 5
c. Suzuki Reaction 5
Q3. Write down the applications of following reagents with appropriate examples :
a. Wilkinson's Catalyst 5
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b. DCC 5
c. Wittig Reagent 5
Q4. a. Enumerate the needs for doing protection with examples. 3
b. What are the various ways used for protection and deprotection of -OH-group? 5
c. What are various methods for determining reaction mechanism? Explain one of the method. 7
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Q5. a. Write down the synthetic equivalent's for following synthons : 4
i. a-nitroanion, Alkyl anion, Aryl cation
b. Suggest suitable steps for following conversion. 4
RCHO ? R
R1
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c. Write down both the retrosynthetic analysis and forward synthesis of the following compound. 7
This download link is referred from the post: PTU M.Pharm 1st Semester Last 10 Years 2011-2021 Previous Question Papers|| Punjab Technical University
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