Question 1:
a) Write notes on the given:
• Nuclear Over hausev Effect (NOE).
• Effect of Hydrogen bonding on chemical shifts.
• Karplus Curve with appropriate illustration.
b) Explain the Mc Lafferty rearrangement of various organic molecules.
c) Define the term metastable peak and Nitrogen rule.
Question 2:
a) Describe the photo chemistry of Aromatic compounds and their derivatives.
i) Write 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.
Question 3:
a) Write the structure elucidation and the synthesis of Quinine.
b) Describe the method of the given rearrangement reaction:
• Balyer-Villager.
• Neber.
• Beckmann.