Avobenzone is a common ingredient in sunscreen. Its structural formula is shown. <IMAGE>


a. What functional groups are in avobenzone?

Propose structures for molecules that fit the following descriptions:

(c) An aromatic compound that is also an ether, C₈H₁₀O

Identify the indicated functional groups in the following molecules:

b. Thienamycin, an antibiotic <IMAGE>

The line structure for pregabalin (Lyrica) is shown as follows:

<IMAGE>

Identify carbons a–d as primary, secondary, tertiary, or quaternary.

Identify the functional groups in cocaine (refer to Section 12.2).

A compound called resveratrol is an antioxidant, found in the skin of grapes. Identify the functional groups in resveratrol. (12.1, 12.3) <IMAGE> <IMAGE>

A compound called cinnamaldehyde is found in cinnamon. Identify the functional groups in cinnamaldehyde. (12.1, 12.3) <IMAGE> <IMAGE>

Identify the type of functional group(s) present within the following compound.

 Identify the type of functional group(s) present within the following compound.