Benzene: Natural occurrence, properties, stability of benzene. Canonical structures of benzene – kekule and Dewa structures. Aromaticity: - Clasical treatment, comparison of aromatic and non aromatic systems. Polynuclear Aromatic Hydrocarbons (PAH): Types, occurrence, canonical forms. Reactivity of different positions in phenanthrene, naphthalene and anthracene. Important Aromatic compounds: - Amines, Amides, acids phenols, aldehydes, ketones and diazonium compounds and derivatives. Natural sources, synthesis and properties. Nucleophilic substitution reaction in aromatic systems. Alicyclic compounds: - Types of compounds. Nomenclature of polycyclic alkanes. Synthesis of alicyclil compounds and special reactions. Strain theory. Conformational analysis

Level of Study: 300 Level