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9232_2011_2_S203.doc
Rajiv Gandhi University of Health Sciences, Bangalore
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First Year M.Pharm Degree Examination - Nov 2011
[Time: 3 Hours]
[Max. Marks: 100]
ADVANCED PHARMACEUTICAL CHEMISTRY (ORG.)
PAPER II
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(Revised Scheme 2)
Q.P. CODE: 9232
Your answers should be specific to the questions asked.
Draw neat labeled diagrams wherever necessary. Answer all questions
LONG ESSAY (Answer any TWO) 2 X 20 = 40 Marks
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- a) Write in detail about the formation, structure, reaction involving carbocations b) Discuss about aromatic nucleophilic reaction involved cyclohexadienyl anions
- a) Discuss in detail, taking suitable examples the important rearrangement reaction involving carbon-nitrogen migration. b) Discuss the mechanism involved in Hoffmann rearrangement
- a) Explain the mechanism and reactivity of addition reaction to carbon multiple bonds. b) Write a note on delocalized chemical bonding.
SHORT ESSAY (Answer any FIVE) 5 X 10 = 50 Marks
- Write generation, stability structure and fact of carbonium ion.
- Give the appreciation of combinational chemistry.
- Discuss the mechanism and synthetic importance of the following reformatsky reaction.
- What are the various approaches for deprotection of groups.
- Explain the utility of phase – transfer catalysts
- Discuss the mechanism involved in reamer tiemen reaction
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SHORT NOTES 2 X 5 = 10 Marks
- Aldol condensation
- Discuss Homolytic and heterolytic bond fissions, considering suitable examples
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