The analysis of the outcome of a reaction requires that we know the full structure of the products as well as the reactants In the 1 gth and early 20th centuries, structures
5. Aromatic Compounds p: 153 Aromatic was used to described some fragrant compounds in early 19th century Not correct: later they are grouped by chemical behavior(unsaturated compounds that undergo substitution rather than addition Current: distinguished from aliphatic compounds by electronic configuration
