Exam Details

Subject chemistry of natural products
Paper
Exam / Course m.sc. chemistry
Department
Organization solapur university
Position
Exam Date November, 2016
City, State maharashtra, solapur


Question Paper

Master of Science II (Chemistry)Examination: Oct/Nov 2016
Semester IV (Old CGPA)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SD
192
Tuesday
22/11/2016
02.30 PM
To
05.00 PM
Chemistry of Natural
Products
C
XV
Instructions: Attempt in all five questions.
Section-I is compulsory.
Attempt any two questions from Section II and any two questions
from Section III
Answers to all questions should be written in one answer book.
All questions carry equal marks.
Figures to the right indicate full marks.
Use of log table and calculators in allowed.
Total Marks:70
SECTION I
Q.1 Match the pairs. 08
Morphine Quinoline alkaloid
ii) Citral Analgesic
iii) Camptothecin Steroid
iv) Podophyllotoxin Monoterpenoids
Prostaglandin Non alkaloid toxic lignan
vi) Cholesterol Shikimate pathway
vii) Phenylalanine Isolated from oil of ginger
viii) Zingiberene Hormone like lipid
Fill in the blanks: 06
Zingiberene is terpenoid.
ii) Morphine bears chiral centres.
iii) Atropine is of muscarinic acetylcholine receptor.
iv) is precursor for dopamine.
is used as precursor for biosynthesis of reserpine.
vi) Camptothecin is having ring structure.
SECTION II
Q.2 Describe the synthesis of PGF2 reported by corey. 07
Describe the nature of carbon skeleton in reserpine. 07
Q.3 How will you confirm the position of methyl groups in Hardwickiic acid. 07
What is steroid? Give the synthesis of mifepristone starting from oestrone. 07
Page 1 of 2
Q.4 Write a note on analytical evidence for lumi-lactoflavin. 07
What are sex hormones? Explain the steps involved in conversion of following. 07
SECTION III
Q.5 Identify D and E in following: 05
Define lignins. Show its biosynthesis from coniferyl alcohol. 05
Write down biosynthesis of isoflavoniate from cinnamic acid. 04
Q.6 Explain the nature of side chain in carotene by Kuhn-Roth oxidation. 05
Describe the number and nature of double bonds in zingiberene. 05
Outline the biogenetic route for phenylalanine. 04
Q.7 Write short notes on any THREE 14
Synthesis of biotin
Structure of Yobyrine
Biosynthesis of Methionine from folic acid.
Squalene to Lanosterol


Subjects

  • advanced organic chemistry – i
  • advanced organic chemistry – ii
  • advanced spectroscopic methods
  • analytical chemistry – i
  • applied organic chemistry
  • chemistry of natural products
  • inorganic chemistry – i
  • inorganic chemistry – ii
  • instrumental methods of analysis (oet)
  • organic chemistry – i
  • organic chemistry – ii
  • photochemistry and pericyclic reactions
  • physical chemistry – i
  • physical chemistry – ii
  • stereochemistry