Download Pharm D 1st Year 2014 April 383804 Pharmaceutical Organic Chemistry Question Paper

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[LE 804] APRIL 2014 Sub. Code: 3804

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DOCTOR OF PHARMACY (PHARM. D) DEGREE EXAMINATION

FIRST YEAR

PAPER IV - PHARMACEUTICAL ORGANIC CHEMISTRY

Q.P. Code: 383804

Time: Three Hours Maximum: 70 marks

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Answer All questions

1. Elaborate on: (2x20=40)
   1. What are Electrophilic addition reactions? Explain any two reactions in detail.
   2. Explain the mechanism and reactions of the following:
      1. Claisen condensation.
      2. Knoevenagel reaction.
      3. Perkin condensation.

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      4. Kolbe reaction.
2. Write notes on: (10x 3 =30)
   1. Diel’s alder reaction.
   2. Discuss the mechanism and synthetic uses of Aldol condensation.

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   3. Give an account of acid and base on the basis of Lewis theory.
   4. Give an example for free radical halogenation of alkenes with respect to carbon-carbon double bond acting as a substituent.
   5. Write a note on activating and deactivating Ortho, Para and Meta directing groups.
   6. Write any two methods of conversion of acid to esters.
   7. Riemer —Tiemann’s reaction.

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   8. Write any two methods to prepare alkyl halides.
   9. Add a note on carbocations.
   10. Write the preparation, test for purity, Assay and uses of Saccharin.

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