Rajiv Gandhi University of Health Sciences
First Year M.Pharm Degree Examination — Oct/Nov 2014
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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. Answer all questions
LONG ESSAY (Answer any TWO) 2 X 20 = 40 Marks
- a) What are Carbonium ions? Write the reaction which they generated. Explain the stability of carbonium ion with suitable example.
- a) Describe the preparation and synthetic application of malonic ester
b) Explain the types of pericyclic reaction with examples. - Give one Synthesis and an example of active medicinal agent belonging to the following Heterocylyic ring system
a) Furan b) Thiazoles c) Phenothiazine d) Pyridine
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SHORT ESSAY (Answer any FIVE) 5 X 10 = 50 Marks
- Give the synthetic route for quinozoline & quinoline.
- Explain the mechanism of applications of a) Aldol condensation b) Claisen Condensation.
- Describe different type of chemical bonds and their properties
- Outline the mechanism of Hoffmann’s rearrangement reaction and its application.
- What is Grignard reagent? Write mechanism of reaction involving grignard reagent and its Synethetic application.
- Explain the mechanism and orientation of elimination reactions.
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SHORT NOTES 2 X5 = 10 Marks
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- Hydrogen bonding
- Friedel craft reaction
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