Question

Drawn below is the structure of singulair® (montelukast), a medication used to manage asthma. assign the absolute configuration of the chirality center as r or s.

Answer 1

The answer is R. The structure of singulair (montelukast), a medication used to manage asthma, the absolute absolute configuration of the chirality center is r and not s. Montelukast is aeukotriene receptor antagonist used to relieve symptoms of seasonal allergies.and used for the maintenance treatment of asthma.