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Identify the absolute configuration of the chirality centers in each of the following compounds as R or S. Note: if multiple chirality centers are present, indicate the stereochemical designations as: RR, SS, RS, or SR. (Other terms used for chirality center include chiral center, stereocenter, and stereogenic center.) но, H `CO2H CO2H HO,

Identify the absolute configuration of the chirality centers in each of the following compounds as R or S. Note: if multiple chirality centers are present, indicate the stereochemical designations as: RR, SS, RS, or SR. (Other terms used for chirality center include chiral center, stereocenter, and stereogenic center.) но, H `CO2H CO2H HO,

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Title:** Identifying Absolute Configuration of Chirality Centers **Instruction:** Identify the absolute configuration of the chirality centers in each of the following compounds as **R** or **S**. Note: if multiple chirality centers are present, indicate the stereochemical designations as: **RR, SS, RS,** or **SR**. (Other terms used for chirality center include chiral center, stereocenter, and stereogenic center.) **Diagram Description:** 1. **First Compound:** - Structure: A molecule with a carboxylic acid group (CO₂H) bonded to a central carbon, which is also connected to a hydroxyl group (OH) and a hydrogen atom (H). - Chirality: This central carbon is a chirality center. 2. **Second Compound:** - Structure: A bicyclic compound where a carboxylic acid group (CO₂H) is connected to a cyclopentane ring. This ring includes a nitrogen atom with an attached hydrogen atom. - Chirality: The bicyclic structure indicates multiple chirality centers. 3. **Third Compound:** - Structure: An ethyl group attached to a central carbon, which is also connected to a hydroxyl group (OH) and a hydrogen atom (H). - Chirality: The central carbon is a chirality center. **Interactive Elements:** - Dropdown options are provided below each compound for selecting the absolute configuration of the chirality center(s). **Purpose:** Understanding and designating stereochemistry is crucial in organic chemistry as it significantly affects the chemical properties and biological activities of compounds.
Transcribed Image Text:**Title:** Identifying Absolute Configuration of Chirality Centers **Instruction:** Identify the absolute configuration of the chirality centers in each of the following compounds as **R** or **S**. Note: if multiple chirality centers are present, indicate the stereochemical designations as: **RR, SS, RS,** or **SR**. (Other terms used for chirality center include chiral center, stereocenter, and stereogenic center.) **Diagram Description:** 1. **First Compound:** - Structure: A molecule with a carboxylic acid group (CO₂H) bonded to a central carbon, which is also connected to a hydroxyl group (OH) and a hydrogen atom (H). - Chirality: This central carbon is a chirality center. 2. **Second Compound:** - Structure: A bicyclic compound where a carboxylic acid group (CO₂H) is connected to a cyclopentane ring. This ring includes a nitrogen atom with an attached hydrogen atom. - Chirality: The bicyclic structure indicates multiple chirality centers. 3. **Third Compound:** - Structure: An ethyl group attached to a central carbon, which is also connected to a hydroxyl group (OH) and a hydrogen atom (H). - Chirality: The central carbon is a chirality center. **Interactive Elements:** - Dropdown options are provided below each compound for selecting the absolute configuration of the chirality center(s). **Purpose:** Understanding and designating stereochemistry is crucial in organic chemistry as it significantly affects the chemical properties and biological activities of compounds.
**Exercise: Determine the Absolute Configuration of Chirality Centers** In each of the following compounds, identify the configuration of chirality centers as **R** or **S**. Note: If multiple chirality centers are present, indicate the stereochemical designations as **RR**, **SS**, **RS**, or **SR**. (Other terms used for chirality center include chiral center, stereocenter, and stereogenic center.) Below are three molecular structures with labels indicating chirality centers: 1. **Compound 1:** - Molecular Structure: A cyclopentane ring with two carboxylic acid groups (CO₂H) as substituents, one pointing inward and the other outward with respect to the plane. - Tasks: Identify and assign the chirality configuration. - Dropdown for selection: [Choice Box] 2. **Compound 2:** - Molecular Structure: A long carbon chain with an alcohol group (OH) and hydrogen atom (H) attached to a chirality center, adjacent to an alkyne group. - Tasks: Identify and assign the chirality configuration. - Dropdown for selection: [Choice Box] 3. **Compound 3:** - Molecular Structure: An amine group (H₂N) connected to a carbon chain, with a methyl group and hydrogen attached to the chirality center. - Indicated Configuration: **R** - Dropdown for selection: [Choice Box] To complete this exercise, analyze each structure, determine the priority of the substituents attached to the chiral centers, and assign the configuration based on the sequence rules used in stereochemistry.
Transcribed Image Text:**Exercise: Determine the Absolute Configuration of Chirality Centers** In each of the following compounds, identify the configuration of chirality centers as **R** or **S**. Note: If multiple chirality centers are present, indicate the stereochemical designations as **RR**, **SS**, **RS**, or **SR**. (Other terms used for chirality center include chiral center, stereocenter, and stereogenic center.) Below are three molecular structures with labels indicating chirality centers: 1. **Compound 1:** - Molecular Structure: A cyclopentane ring with two carboxylic acid groups (CO₂H) as substituents, one pointing inward and the other outward with respect to the plane. - Tasks: Identify and assign the chirality configuration. - Dropdown for selection: [Choice Box] 2. **Compound 2:** - Molecular Structure: A long carbon chain with an alcohol group (OH) and hydrogen atom (H) attached to a chirality center, adjacent to an alkyne group. - Tasks: Identify and assign the chirality configuration. - Dropdown for selection: [Choice Box] 3. **Compound 3:** - Molecular Structure: An amine group (H₂N) connected to a carbon chain, with a methyl group and hydrogen attached to the chirality center. - Indicated Configuration: **R** - Dropdown for selection: [Choice Box] To complete this exercise, analyze each structure, determine the priority of the substituents attached to the chiral centers, and assign the configuration based on the sequence rules used in stereochemistry.
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