Download PTU I. K. Gujral Punjab Technical University (IKGPTU) B.Pharma (Bachelor of Pharmacy) 2020 December 3rd Sem 46226 Pharmaceutical Chemistry Iv (Organic Chemistry Ii) Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 24
B.Pharmacy (2012 to 2016) (Sem.?3)
PHARMACEUTICAL CHEMISTRY-IV (ORGANIC CHEMISTRY-II)
Subject Code : BPHM-306
M.Code : 46226
Time : 3 Hrs. Max. Marks : 80
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is C OMPULSORY co nsisting of FIFT EEN questio ns carrying TWO
marks eac h.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains FOUR q uestions carrying T EN marks eac h an d s tud ents
have to atte mpt any T HREE que stion s.
SECTION-A
Answer the following :
1.
Draw the structures of 1,3-thiazole and phenothiazine.
2.
Draw five resonance forms of pyridine.
3.
Among the following, which is the most acidic compound? Give reasons.
N
N
4.
How can you convert D(+)-glucose into D(+)-mannose?
5.
Define and give example of epimerization.
6.
What do you understand by Ruffs method?
7.
Describe the preparation of thiazole.
8.
What do you understand by protein denaturation? Is there any change in the 1? structure
when a protein is denatured?
9.
Write the structures of two nitrogenous bases of DNA.
10. Define the term acid value.
11. What are the coumarins? Give one example with structure.
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12. Why nucleophilic substitution occurs more readily on the pyridine ring rather than
benzene?
13. Give an account of electrophillic substitution of quinoline.
14. Give the IUPAC name for the following structures
OCH3
S
N
N
CH3
15. Complete the chemical reaction given below and name the product
H
N
CH3ONa
+ CH2I2
SECTION-B
16. Explain elucidation of cyclic structure of glucose.
17. What are xanthine derivatives? Give chemical structures of three xanthine derivatives.
18. Describe N-terminal analysis of peptides.
19. Discuss electrophillic addition of , unsaturated carbonyl compounds.
20. What are glycolipids? How you will analyze fat and oils for their stability?
SECTION-C
21. Give structures, reactions and synthesis of quinoline.
22. Discuss the relative reactivity of pyrrole, furan and thiophene and also mention their
synthesis.
23. Define and classify carbohydrates with examples. How will you determine the structure of
maltose?
24. Write a note on the following :
a. Killani Fischer synthesis
b. Diels-Alder reaction
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 14 February 2021