Download B.Pharm 2nd Year 2019 August 564258 Advanced Pharmaceutical Organic Chemistry Question Paper

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B.PHARM. DEGREE EXAMINATION

SECOND YEAR

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PAPER III - ADVANCED PHARMACEUTICAL ORGANIC CHEMISTRY

Time: Three hours Maximum: 100 Marks

I. Elaborate on: (2x20=40)

1. a) What are Cardiac glycosides? Explain the stereo chemistry of Cardiac glycosides.
   b) Elucidate the structure of Ephedrine.

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2. a) Explain the nomenclature of heterocyclic compounds.
   b) Explain the structure, reactivity, preparation and chemical reaction of pyridine.

II. Write notes on: (8x5=40)

1. Explain the electrophilic substitution reaction of pyrrole.
2. Explain the chemistry and use of Vitamin — K.

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3. Give the reaction and mechanism of Meerwein-Ponndorf-Verley reduction.
4. Structural elucidation of uric acid.
5. Discuss about the chemistry of hesperidin.
6. Explain the chemistry and constitution of Papaverine.
7. Chemistry of Vitamin - A.

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8. Explain the chemistry and constitution of citral.

III. Short answers on: (10x2=20)

1. Synthesis of Acridine.
2. Two applications of Lead Tetra acetate.
3. Define Enantiomers.

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4. Two important reactions of Oxazole.
5. Cis — trans Isomerism.
6. Structure and Numbering of Phenothiazine.
7. What is 1, 3 diaxial interaction?
8. Define stereo-selective synthesis.

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9. Define plane of symmetry.
10. Define Isomers and Isomerism.