Exhibit 22-5 Lipoxins are potent anti-inflammatory compounds. One type of Lipoxin has been used to treat inflammatory bowel disease. A series of Lipoxins were reported in the Journal of Medicinal Chemistry . One of them has the structure shown below. Use this figure to answer the following question(s). One of several Lipoxin analogues
-Refer to Exhibit 22-5. In the line angle drawing of Lipoxin shown above, how many hydrogen atoms are assumed at the three carbon atom positions labeled A , B , and C ?

Question

Exhibit 22-5 Lipoxins are potent anti-inflammatory compounds. One type of Lipoxin has been used to treat inflammatory bowel disease. A series of Lipoxins were reported in the Journal of Medicinal Chemistry . One of them has the structure shown below. Use this figure to answer the following question(s).  One of several Lipoxin analogues
-Refer to Exhibit 22-5. In the line angle drawing of Lipoxin shown above, how many hydrogen atoms are assumed at the three carbon atom positions labeled A , B , and C ?

Quizplus · Accepted Answer

The three carbon positions labeled A, B, and C all have one single bond and one double bond. Therefore, they each have only one hydrogen atom attached, resulting in A = 1, B = 1, and C = 0.

Exhibit 22-5 Lipoxins Are Potent Anti-Inflammatory Compounds