CHEM 2443 Chapter Notes - Chapter 5: Heptadecanoic Acid, Pi Bond, Sigma Bond
Document Summary
Heteroatom functional groups with pi-bonds, the carbonyl group, & carboxylic. Carboxylic acids: carbonyl group flanked by a carbon and an oh group. The proton of the co2h unit is a much stronger acid than the proton of an alcohol. The greater acidity of the carboxylic acid is largely due to the stability of the conjugate base that is formed from figure 72. The carbonyl carbon of the cooh group must receive the lowest possible number, 1, so it is omitted from the name: figure 75. Substituents are numbered relative to the carbonyl carbon of the cooh unit. Substituents marked in green, secondary substituents in yellow. Carboxylic acids as acids: the red hydrogen in figure 72 is the acidic proton. This anion is called a carboxylate anion (figure 78) and is the conjugate base of the. Traditional br nsted-lowry acid-base reaction: resonance & pka.
