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Steroids are another class of important biological molecules with a general substructure that contains three six membered rings fused to one another, ending in a fusion of a five-membered ring. Consider the structure shown below and use to : A.Convert the ring structure to a chair structure B. Identify each ring fusion as cis or trans and explain how you made that determination

Steroids are another class of important biological molecules with a general substructure that contains three six membered rings fused to one another, ending in a fusion of a five-membered ring. Consider the structure shown below and use to : A.Convert the ring structure to a chair structure B. Identify each ring fusion as cis or trans and explain how you made that determination

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Steroids are another class of important biological molecules with a general substructure that contains three six membered rings fused to one another, ending in a fusion of a five-membered ring. Consider the structure shown below and use to : A.Convert the ring structure to a chair structure B. Identify each ring fusion as cis or trans and explain how you made that determination
The image shows a chemical structure commonly known as a steroid. This specific structure is that of cholesterol. **Description and Explanation:** 1. **Rings and Carbon Backbone**: - The structure consists of four fused carbon rings, typical of steroids. These are labeled as three cyclohexane rings (six carbon atoms each) and one cyclopentane ring (five carbon atoms). 2. **Methyl (Me) Groups**: - There are two methyl groups (labeled as "Me") attached to the carbon rings. These are located on the first and fourth cyclohexane rings. 3. **Hydrogen Atoms (H)**: - Hydrogen atoms are represented with the letter "H." They are attached to the carbons in specific positions, some as wedges and dashes indicating stereochemistry (the three-dimensional orientation). 4. **Stereochemistry**: - The wedge-shaped lines represent bonds coming out of the plane of the diagram towards the viewer. - The dashed lines indicate bonds going behind the plane. Understanding this diagram is crucial for recognizing the basic structure of cholesterol and its relationship to other steroid molecules. The arrangement of functional groups greatly affects the biological activity and function of these compounds.
Transcribed Image Text:The image shows a chemical structure commonly known as a steroid. This specific structure is that of cholesterol. **Description and Explanation:** 1. **Rings and Carbon Backbone**: - The structure consists of four fused carbon rings, typical of steroids. These are labeled as three cyclohexane rings (six carbon atoms each) and one cyclopentane ring (five carbon atoms). 2. **Methyl (Me) Groups**: - There are two methyl groups (labeled as "Me") attached to the carbon rings. These are located on the first and fourth cyclohexane rings. 3. **Hydrogen Atoms (H)**: - Hydrogen atoms are represented with the letter "H." They are attached to the carbons in specific positions, some as wedges and dashes indicating stereochemistry (the three-dimensional orientation). 4. **Stereochemistry**: - The wedge-shaped lines represent bonds coming out of the plane of the diagram towards the viewer. - The dashed lines indicate bonds going behind the plane. Understanding this diagram is crucial for recognizing the basic structure of cholesterol and its relationship to other steroid molecules. The arrangement of functional groups greatly affects the biological activity and function of these compounds.
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