[LD 817] OCTOBER 2013 Sub. Code: 3817
DOCTOR OF PHARMACY (PHARM. D) DEGREE EXAMINATION
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THIRD YEAR
PAPER V - MEDICINAL CHEMISTRY
Q.P. Code: 383817
Time: Three Hours Maximum: 70 marks
Answer All questions
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-  Elaborate on: (2x20=40) - What are Tetracyclines and Classify with structural examples for each? Discuss briefly SAR, Chemistry and mechanism action of Tetracyclines.
-  a) Classify antitubercular agents. 
 b) Give synthesis of any two drugs with mechanism of action.
 c) Explain briefly antiprotozoal agents.
 
-  Write notes on: (10x 3 =30) - What is prodrug? Explain the types of pro drugs with suitable examples
-  Give a method of synthesis of: 
 (i) Hexachlorphene (ii) Halazone
- Classify anti fungal agents and give their mechanism of action
- What are urinary tract anti-infectives? Classify them with suitable examples
-  Give the structure and uses of 
 (i) INH (ii) Ethionamide (iii) Pyrazinamide
- Explain the mechanism of action of Metronidazole
- Write a short note on HIV protease inhibitors
- What is Crystalluria? How can it be prevented?
- Explain the life cycle of malarial parasite
- Write short notes on polypeptide antibiotics.
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