16. Carboxylic Acids and Their Derivatives

If the substituent name of the OH group is hydroxy in the presence of a carboxylic acid, provide the systematic name for the following compound. 

Provide a common name for following molecule.

Give IUPAC name for the following dicarboxylic acid.

Draw a structure for the given common name: α-bromo-β-hydroxyadipic acid.

Identify the following molecules as a carboxylic acid, an amide, an ester, or none of these.

c. CH₃COOH

Write both the complete structural formula of succinic acid, showing all bonds, and the line-angle structural formula.

Give systematic names for the following carboxylic acids:

d.

Give systematic names for the following carboxylic acids:

d. CH₃(CH₂)₅COOH

Draw structures corresponding to the following names:

c. 3,3-Dimethyl-4-phenylpentanoic acid

Fumaric acid is a metabolic intermediate that has the systematic name trans-2-butenedioic acid. Draw its structure.

Draw all possible carboxylic acids with the formula C₅H₁₀O₂.

The reaction that follows is catalyzed by isocitrate dehydrogenase and occurs in two steps, the first of which (step A) is formation of an unstable intermediates (shown in brackets).

c. Which of the structures shown can be described as a β-keto acid?

Based on the structure shown for retinol (vitamin A) and the names of the two related forms of vitamin A, retinal and retinoic acid, what do you expect to be the structural differences among these three compounds?

Write the IUPAC and common name, if any, for each of the following carboxylic acids:

b.

Draw the condensed structural formulas for a and b and line-angle formulas for c and d:

a. 3,4-dibromobutanoic acid