5. Chirality
R and S Configuration
61PRACTICE PROBLEM
The structure of arformoterol, a drug used to treat chronic obstructive pulmonary disease (COPD), is shown below. Determine the absolute configuration of the asymmetric centers in the structure.
![](https://lightcat-files.s3.amazonaws.com/problem_images/0eebe3ab99f369fa-1711980199473.jpg)
The structure of arformoterol, a drug used to treat chronic obstructive pulmonary disease (COPD), is shown below. Determine the absolute configuration of the asymmetric centers in the structure.