Rajiv Gandhi University of Health Sciences
First Year M.Pharm Degree Examination - October 2010
[Time: 3 Hours] [Max. Marks: 100]
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ADVANCED ORGANIC CHEMISTRY
(Revised Scheme 2)
Q.P. CODE : 9202
Your answers should be specific to the questions asked.
Draw neat labeled diagrams wherever necessary. Answer all questions
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LONG ESSAY (Answer any TWO) 2 X 20 = 40 Marks
- Discuss in detail the formation, stability, reactions and synthetic applications of carbonium ions
- Give the preparation and applications of aceto acetic and malonic ester
- Write the synthesis, of: a) Quinazoline b) Pyrazole c) Oxazole d) Benz-Imidazole.
Draw the structures of two drugs each belonging to this class
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SHORT ESSAY (Answer any FIVE) 5 X 10 = 50 Marks
- Discuss the kinetic energy and mechanism of substitution reaction (SN2 and SN1)
- List the commonly used reducing agents. Discuss the mechanism and applications of any one of them
- Discuss pharmacologically important benzodiazepines giving the synthesis of any one of them
- Give the mechanism of a) Pinacol-pinacolone rearrangement b) Allylic rearrangement
- Discuss the mechanism of a) Claisen condensation b) Aldol condensation
- Give the synthetic routes for 1, 2, 4 triazole and phenothiazine
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SHORT NOTES 2 X 5 = 10 Marks
- Microwave assisted organic synthesis Vs thermal methods of organic synthesis
- Stereochemistry of carbohydrates
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