### Molecule Analysis for Stereogenic CentersFor each of the following molecules, label each stereogenic center as R or S. Additionally, classify the molecules as chiral or meso.#### a. - **Structure:** Cyclohexane ring with two amino groups (NH₂) attached to different carbons. #### b. Ketamine- **Structure:** Aromatic ring with a ketone (C=O) group, NHMe group, and chloride (Cl) attached to the cyclohexane ring.#### c.- **Structure:** Linear chain with a bromine (Br) and hydroxyl (OH) group attached to adjacent carbons.#### d.- **Structure:** Linear chain with chlorine (Cl) atoms and hydroxyl (OH) group in alternating positions, creating multiple stereogenic centers.#### e. Cysteine (Amino Acid)- **Structure:** Contains a thiol group (HS) and a carboxyl group (COOH) on an α-carbon with an amino group (NH₂) and a side chain. ### Graphs/Diagrams ExplanationEach diagram illustrates a molecular structure with various functional groups highlighted. The focus of analysis should be the identification of chiral centers—carbons that have four different groups attached to them—and consistency in labeling using the R/S nomenclature, based on the priorities of these groups as assigned by the Cahn-Ingold-Prelog priority rules. After determining the configuration, conclude if the compound is chiral (having a non-superimposable mirror image) or meso (having an internal plane of symmetry).

We have to determine R and S configuration and tell if the compound is chiral or meso compound

3. For each of the following molecules, label each stereogenic center as R or S. Label the molecules appropriately as chiral or meso. a. b. d. H₂N₂ NHMe 850 ketamine. -NH₂ Br m OH HS l OH NH₂ cysteine (amino acid)

3. For each of the following molecules, label each stereogenic center as R or S. Label the molecules appropriately as chiral or meso. a. b. d. H₂N₂ NHMe 850 ketamine. -NH₂ Br m OH HS l OH NH₂ cysteine (amino acid)

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

### Molecule Analysis for Stereogenic Centers

For each of the following molecules, label each stereogenic center as R or S. Additionally, classify the molecules as chiral or meso.

#### a.
- **Structure:** Cyclohexane ring with two amino groups (NH₂) attached to different carbons.

#### b. Ketamine
- **Structure:** Aromatic ring with a ketone (C=O) group, NHMe group, and chloride (Cl) attached to the cyclohexane ring.

#### c.
- **Structure:** Linear chain with a bromine (Br) and hydroxyl (OH) group attached to adjacent carbons.

#### d.
- **Structure:** Linear chain with chlorine (Cl) atoms and hydroxyl (OH) group in alternating positions, creating multiple stereogenic centers.

#### e. Cysteine (Amino Acid)
- **Structure:** Contains a thiol group (HS) and a carboxyl group (COOH) on an α-carbon with an amino group (NH₂) and a side chain.

### Graphs/Diagrams Explanation

Each diagram illustrates a molecular structure with various functional groups highlighted. The focus of analysis should be the identification of chiral centers—carbons that have four different groups attached to them—and consistency in labeling using the R/S nomenclature, based on the priorities of these groups as assigned by the Cahn-Ingold-Prelog priority rules. After determining the configuration, conclude if the compound is chiral (having a non-superimposable mirror image) or meso (having an internal plane of symmetry).

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