B.Sc. Chemistry
3rd Semester Syllabus
Select Paper in this Semester
MJC-3 (T) : Organic Chemistry: Cyclic Hydrocarbons and their Halogen Derivatives
Double-tap topic to mark complete • Long-press for YouTube & AI
Unit 1: Reaction intermediates
◦Carbenes
◦Nitrenes and benzynes: Generation
◦Structure
◦Stability and reactions
Unit 2: Chemistry of Cyclic Hydrocarbons
◦Nomenclature of monocyclic and bicyclic compounds
◦Baeyer's strain theory
◦Conformation of cyclohexane
◦Relative stability of chair
◦Boat and twist boat forms of cyclohexane with their energy level diagram
◦Relative stability of mono- and disubstituted cyclohexanes
◦Aromaticity and Huckel rules with reference to benzenoids
◦Cyclocarbocations and cyclocarbanions
◦Mechanism of electrophilic aromatic substitution in benzene-halogenation
◦Nitration
◦Sulphonation
◦Friedel-Crafts alkylation/acylation
◦Energy profile diagrams of these reactions
◦Reactivity of mono-subsituted benzene
◦Directive influence of functional groups
Unit 3: Chemistry of Halogen Derivatives of alkanes
◦General methods of preparation
◦Properties and uses of mono- and dihalo derivatives of alkanes
◦Mechanism of substitution and elimination reactions viz
◦SN1, SN2, SN1, E1, E2 and E1CB mechanism
Unit 4: Halogen derivatives of arenes
◦General methods of preparation
◦Properties and uses of halogen derivatives of arenes
◦Mechanism: ArSN2
◦ArSN1
◦Elimination-addition mechanism (benzene mechanism)
Reference Books:
- Reaction Mechanism in Organic Chemistry - S. M. Mukherjee and S.P. Singh
- Organic Chemistry, vol.-1, I. L. Finar
- Organic Chemistry - Morrison & Boyd
- Organic Chemistry: Graham Solomons
- Organic Chemistry: Paula Yurkamis Bruice
- Stereochemistry in Organic Chemistry: D. Nassipuri
- Stereochemistry- Conformation and Mechanism: P.S.Kalsi
- Advanced Organic Chemistry, Fourth Edition, J. March, Wiley, India (2006)
- Greeves, N., Clayden, J.; Warren, S., Organic Chemistry, 2nd Ed., Oxford University, Press India (2014)
- Sykes, P., A Guidebook to Mechanism in Organic Chemistry, 6th Ed., Pearson Education India (2003)