N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Chemistry, Part-I
PAPER-VIII
(Natural Product)
Annual Examination, 2017
Time 3 Hours. Full Marks 80
Answer any FIVE Questions.
All questions carry equal marks.
1. What are Vitamins Discuss the classification of vitamins. Write the important sources of
vitamin and mentioned deficiency diseases.
2. Establish the structure of VitaminB 2 . Give the synthesis of Vitamin B 2 .
3. What are porphyrins Write the degradative and synthetic evidence for the determination of
structure of Haemin.
4. Write the Wood Synthesis of Chlorophyll-a and also give degradative evidences for the
elucidation of the structure of Chlorophyll-a.
5. Discuss the structure of Phytol.
6. Give a systematic synthesis of estron and discuss its structure.
7. How is a flavone related to isoflavone Give critical account of the structure determination
and synthesis of isoflovone.
8. Discuss the point linkage between quininic acid and meroquinene of quinine.
9. Discuss the structure of abietic acid and conformed by synthetic method.
10. Write notes on the following
Pynidoxal and Pyridoxamine.
Presence of Phenanthrene nucleans in morphine.