Download Pharm D 1st Year 2016 April 383804 Pharmaceutical Organic Chemistry Question Paper

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PHARM. D DEGREE EXAMINATION (2009-2010 Regulation)

FIRST YEAR

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PAPER IV - PHARMACEUTICAL ORGANIC CHEMISTRY

O.P. Code : 383804

Time : Three hours Maximum : 70 Marks

1. I. Elaborate on : (4 x 10 =40)

   1. Explain theory of Resonance. Describe in detail Resonance hybrid, stability and orbital picture of Allyl Radical.

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   2. What are Alkanes? Explain the free radical substitution mechanism of chlorination of Methane in the presence UV light.

   3. Discuss aromatic substitution reaction with Nucleophiles.

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   4. Explain the following reaction with mechanism:

      1. Cannizzaro reaction
      2. Williamson synthesis

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2. II. Write notes on : (6x5=30)

   1. Write a note on diazotisation and coupling reaction.

   2. Write the structure, preparation and chemical uses of Mephenesin.

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   3. Explain the mechanism and Stereochemistry of SN₁ reaction.

   4. Explain the Kolbe reaction with mechanisms.

   5. Define Isomerism with suitable examples.

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   6. Give the different methods for preparation of Alicyclic compounds.

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