Rajiv Gandhi University of Health Sciences
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First Year M. Pharm Degree Examination - October 2015
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[Time: 3 Hours] [Max. Marks: 100]
ADVANCED ORGANIC CHEMISTRY
(RS 2 & RS 3)
Q.P. CODE: 9202
Your answers should be specific to the questions asked.
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Draw neat labeled diagrams wherever necessary.
LONG ESSAY (Answer any TWO) 2 X 20 = 40 Marks
- What are carbocations? Classify with examples and write the reaction in which they are generated. Explain the stability of carbocations.
- Give one synthesis and an example of a medicinal agent belonging to the following heterocyclic ring system: a) Thiazoles b) Isoxazoles c) Benzimidazole d) Purine.
- Discuss the nucleophilic aliphatic substitution reaction. Write SN1 and SN2 mechanisms, kinetics and stereochemistry.
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SHORT ESSAY (Answer any FIVE) 5 X 10 = 50 Marks
- Write the methods of synthesis and applications of acetoacetate esters.
- What is Grignard reagent? Write the mechanism of reaction involving Grignard reagent and its synthetic applications?
- Discuss the mechanism and synthetic applications of aldol condensation.
- Write the synthetic route for Quinoline and Quainazoline.
- Explain the stereochemistry of steroids.
- Explain the oxidation-reduction reaction, reagents used, mechanism and applications.
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SHORT NOTES 2 X 5 = 10 Marks
- Microwave irradiation techniques.
- Hyperconjugation.
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This download link is referred from the post: RGUHS M.Pharm 1st Year Last 10 Years 2011-2021 Question Papers || Rajiv Gandhi University of Health Sciences
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