Write note on stereochemistry of Biphenyls.
[5 marks]What is resolution? Explain the methods for racemic modification into enantiomers.
[5 marks]Draw structure of the following compounds.
[6 marks]cis-3,4-dimethyl-3-heptene ii) trans-1,3-dichlorocyclobutane iii) (R)-2-butanol iv) (RS)-2-chloro, 3-pentanol
[ marks]cis- 2-chloro,3-bromo butene vi) (S)-3-chlorohexane
[ marks]Configuration (ii) Geometric isomerism (iii) Enantiomer (iv) Meso isomer (v) Chiral center (iv) Racemic mixture
[ marks]Explain Clemmensen reduction with mechanism.
[5 marks]Define the following terms:
[6 marks]Explain the reactions of chiral molecule.
[5 marks]Explain partial and absolute asymmetric synthesis.
[6 marks]Write in brief conformational analysis of n-Butane.
[5 marks]Explain diastereomers and their properties with suitable example.
[5 marks]Discuss the Sequence rule to assign configuration with example.
[6 marks]Give methods of determination of configuration of geometrical isomers.
[5 marks]Explain the stereospecific and stereoselective reactions.
[5 marks]Give synthesis and medicinal uses of Pyrimidine. Q. 6 (a) Give THREE reactions of the following: (1) Furan (2) Quinoline
[6 marks]Comment on the following 1. Pyridine is more basic than Pyrrole. 2. Pyridine is less basic than aliphatic amines.
[5 marks]Give the structure of: (1) Indole (2) Pyridine (3) Isoquinoline (4) Imidazole (5) Acridine (6) Thiophene
[6 marks]Explain Beckmann rearrangement reaction with mechanism.
[5 marks]Write about Oppenauer oxidation.
[5 marks]Explain preparation and reactions of Pyridine.
[5 marks]Skraup Quinoline synthesis ii) Knorr pyrrole synthesis
[ marks]Explain metal hydride reduction by using different reagents.
[5 marks]Write a short note on the following.
[6 marks]