Draw the sugar below in its open-chain form: он HOCH2- он но. -OH Use the wedge/hash bond tools to indicate stereochemistry where it exists. Do not draw the open-chain form as a Fischer projection.
Carbohydrates
Carbohydrates are the organic compounds that are obtained in foods and living matters in the shape of sugars, cellulose, and starch. The general formula of carbohydrates is Cn(H2O)2. The ratio of H and O present in carbohydrates is identical to water.
Starch
Starch is a polysaccharide carbohydrate that belongs to the category of polysaccharide carbohydrates.
Mutarotation
The rotation of a particular structure of the chiral compound because of the epimerization is called mutarotation. It is the repercussion of the ring chain tautomerism. In terms of glucose, this can be defined as the modification in the equilibrium of the α- and β- glucose anomers upon its dissolution in the solvent water. This process is usually seen in the chemistry of carbohydrates.
L Sugar
A chemical compound that is represented with a molecular formula C6H12O6 is called L-(-) sugar. At the carbon’s 5th position, the hydroxyl group is placed to the compound’s left and therefore the sugar is represented as L(-)-sugar. It is capable of rotating the polarized light’s plane in the direction anticlockwise. L isomers are one of the 2 isomers formed by the configurational stereochemistry of the carbohydrates.
Drawing sugars to and from fischer projections
![**Activity: Drawing Sugars in Open-Chain Form**
**Instructions:**
You are required to draw the sugar molecule depicted in its open-chain form. Refer to the structure provided at the top of this page.
**Guidelines:**
- Utilize the wedge/hash bond tools to clearly indicate stereochemistry where applicable.
- Ensure that the open-chain form is not represented as a Fischer projection.
**Diagram Area:**
In the space below, use the ChemDoodle tool to draft your open-chain sugar structure.
Controls include options for:
- Adding bonds and atoms
- Customizing molecular structures
- Adjusting stereochemistry
Use these tools to accurately replicate the molecular configuration, focusing on the correct linear form of the sugar rather than a cyclic form.
Once done, save and submit your drawing for review.
**Support:**
- For additional help, click the green question mark in the ChemDoodle interface.
- You may also contact your instructor via email using the provided button.
After completion, navigate through the activity using the Previous and Next buttons as needed.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4ff02d2e-23e6-4c2f-ba0a-04d5e3b9a917%2Fe357b6ca-0215-40cc-a0bf-adfd610d11c0%2F0w8f8pd_processed.png&w=3840&q=75)
![**Task: Draw the Sugar in its Cyclic Beta-Hemiacetal Form**
1. **Structure Shown**:
- **Molecular Structure**: Open-chain form of a sugar with hydroxyl groups.
- **Chemical Groups**:
- Two terminal CH₂OH groups.
- Carbonyl group (C=O).
- Hydroxyl groups (OH) attached to intermediate carbons.
2. **Instructions**:
- Use wedge/hash bonds to show stereochemistry if applicable.
- Omit explicit hydrogen (H) atoms from drawing unless necessary.
- Do not use wedges or hashed bonds on achiral groups.
- Exclude lone pairs; they are not required for grading.
- Utilize a "flat" representation of any rings drawn.
3. **Tools Available**:
- Drawing tools include line, ring, and bond-type selectors to accurately depict molecular structure.
4. **Interface Features**:
- Includes basic draw, select, and eraser tools.
- Copy, paste, and zoom options for easy manipulation.
- “Save and Exit” for progress preservation.
**Objective**: Use available tools to illustrate the specified sugar in its beta-hemiacetal form, adhering to given conventions for chemical drawings.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4ff02d2e-23e6-4c2f-ba0a-04d5e3b9a917%2Fe357b6ca-0215-40cc-a0bf-adfd610d11c0%2F8msunks_processed.png&w=3840&q=75)
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