Question
Asked Dec 25, 2019
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How many degrees of unsaturation does each of the following drugs contain?
a. zolpidem (sleep aid sold as Ambien), C19H21N3O
b. meoquine (antimalarial drug), C17H16F6N2O

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Expert Answer

Step 1

The first given compound is zolpidem.

The chemical formula of zolpidem is C19H21N3O.

 

The formula to calculate degree of unsaturation is,

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2C+2+N –H-X Degree of Unsaturation =

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Step 2

Here, C represent number of carbon atoms, N represent number of nitrogen atoms, H represents number of hydrogen atoms, and X represent number of halogen atoms (Cl, Br, F) in a compound.

 

The given compound zolpidem contain 19 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 0 halogen atoms.

 

The given compound also contains one oxygen atom but as per formula, ignore the oxygen atoms.

 

Substitute the number of carbon, hydrogen, nitrogen atoms in the formula to calculate the degree of unsaturation.

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2C+2+N-H-X Degree of Unsaturation 2×19+2+3- 21-0 22 =11 ||

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Step 3

The second given compound is meoquine.

The chemical formula of meoquine is C17H16F6N2O.

 

Th...

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2C +2+ N – H – X Degree of Unsaturation

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