3. Give the relationship between the following molecules. Your options are enantiomers, diastereomers, or the same molecule. Determine R/S configurations of any chiral a. b. C. centers. H₂C-Si- H CH3 CH3 H 5-8 and H COOH -OH H HO TH H -OH CH₂OH Br CO₂H Br HO CH₂OH CH₂OH -H H-OH HO -H COOH H3C CH3 #-* and H Br Si CH3 CO₂H -Br CH₂OH
3. Give the relationship between the following molecules. Your options are enantiomers, diastereomers, or the same molecule. Determine R/S configurations of any chiral a. b. C. centers. H₂C-Si- H CH3 CH3 H 5-8 and H COOH -OH H HO TH H -OH CH₂OH Br CO₂H Br HO CH₂OH CH₂OH -H H-OH HO -H COOH H3C CH3 #-* and H Br Si CH3 CO₂H -Br CH₂OH
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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
Transcribed Image Text:**Problem 3: Molecule Relationships and Chiral Configurations**
Determine the relationship between the following sets of molecules. Options for their relationships include enantiomers, diastereomers, or identical molecules. Identify the R/S configurations of any chiral centers.
**a.**
- Two cyclic structures are shown. Both structures contain a silicon atom (Si) bonded to three methyl groups (CH₃) and an oxygen atom (O). The rest of the ring structure is composed of carbon and hydrogen atoms arranged in a similar fashion, but they differ in the orientation of substituents.
**b.**
- Two linear structures are displayed as Fischer projections.
- The first molecule is composed of a COOH group at the top, followed by three chiral centers with hydroxyl groups (OH) and hydrogen atoms (H) on alternating sides, and a CH₂OH group at the bottom.
- The second molecule has a CH₂OH group at the top followed by three chiral centers with similar alternating groups as the first, and a COOH group at the bottom.
**c.**
- Two structures are represented.
- The left structure is a cyclic molecule with a CO₂H group and two bromine atoms (Br) attached, along with a CH₂OH group.
- The right structure is shown in a Fischer projection with a CO₂H group at the top, two bromines and hydrogens alternating in the middle, and a CH₂OH group at the bottom.
For each pair, examine symmetry and spatial arrangements to determine if they are identical, enantiomers (mirror images), or diastereomers (not mirror images, but not identical). Specify the R/S configuration at any chiral centers by using the Cahn-Ingold-Prelog priority rules.
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