Study of organic reactions (addition/elimination reactions, chemistry of carbonyl compounds, aromatic electrophilic substitution, rearrangements, oxidations and reductions); Biological examples. Use of spectroscopic tools in structure elucidation (nuclear magnetic resonance, mass spectroscopy, Infrared and electronic absorption spectroscopy); Organic polymers and biologically important classes of organic compounds such as lipids, carbohydrates, amino acids, peptides, proteins, and nucleic acids;