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problem 1:

a) prepare notes on the given:

• Nuclear Over hausev Effect (NOE).
• Effect of Hydrogen bonding on chemical shifts.
• Karplus Curve with appropriate illustration.

b) describe the Mc Lafferty rearrangement of various organic molecules.

c) Define the term metastable peak and Nitrogen rule.

problem 2:

a) Describe the photo chemistry of Aromatic compounds and their derivatives.

i) prepare the method of the given reaction:

•    Norrish type – I
•    Norrish types – II
•    Photo Fries rearrangement.

b) Prove that all the (4m+2)π electron system of electro cyclic reactions are thermally dis rotation and photochemically conrotation, by using correlation diagram and FMO methods.

problem 3:

a) prepare the structure elucidation and the synthesis of Quinine.

b) Describe the method of the given rearrangement reaction:

• Balyer-Villager.
• Neber.
• Beckmann.

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M95060

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