Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter18: Lipids
Section: Chapter Questions
Problem 18.73E: Fats belong to the class of organic compounds represented by the general formula, RCOOR', where R...
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Transcribed Image Text:The image displays instructions and a chemical diagram for an educational exercise in stereochemistry:
**Text Instructions:**
"One of the enantiomers of a chiral compound is shown below. Draw the structure of the other enantiomer."
**Chemical Diagram:**
The diagram shows a chiral carbon compound with the following groups attached:
- A hydroxyl group (OH) shown with a plane bond.
- A hydrogen atom (H) shown with a wedge bond indicating it is above the plane.
- A methyl group (CH₃) shown with a dashed bond indicating it is below the plane.
- An isobutyl group (CH(CH₃)₂) shown with a plane bond.
**Additional Instruction Box:**
"- Use the wedge/hash bond tools to indicate stereochemistry where it exists."
**ChemDoodle Work Space:**
A blank canvas with a toolbar for drawing chemical structures. The toolbar includes tools for drawing bonds, atoms, and rings, indicating stereochemistry, and modifying structures. The canvas has a help icon and displays "CH₄" faintly in the center as a placeholder or example.
**Task:**
The user is tasked with using the provided tools to draw the enantiomer of the given chiral molecule, ensuring to represent the stereochemistry correctly using wedge/hash bonds.
![**One of the Cyclic Forms of D-Ribose**
The image shows the structure of one of the cyclic forms of D-ribose. This structure is a five-membered ring with four carbon atoms and one oxygen atom. The depicted form is a furanose ring. The ring includes hydroxyl (OH) groups attached to the carbon atoms.
**Structure Explanation:**
- The ring includes an ether linkage (an oxygen atom single-bonded to two carbon atoms).
- The terminal CH₂OH group extends from the anomeric carbon.
**Questions:**
(a) **How many anomeric carbon atoms are present in this structure?**
[ ]
(b) **How many hemiacetal carbon atoms are present in this structure?**
[ ]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F75b4690e-59bd-4cfe-8e15-b27fa5bdf9fd%2Fec00ef70-83cf-4bee-892a-874bb02a2c67%2Fp0jdal_processed.png&w=3840&q=75)
Transcribed Image Text:**One of the Cyclic Forms of D-Ribose**
The image shows the structure of one of the cyclic forms of D-ribose. This structure is a five-membered ring with four carbon atoms and one oxygen atom. The depicted form is a furanose ring. The ring includes hydroxyl (OH) groups attached to the carbon atoms.
**Structure Explanation:**
- The ring includes an ether linkage (an oxygen atom single-bonded to two carbon atoms).
- The terminal CH₂OH group extends from the anomeric carbon.
**Questions:**
(a) **How many anomeric carbon atoms are present in this structure?**
[ ]
(b) **How many hemiacetal carbon atoms are present in this structure?**
[ ]
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