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- Organic Chemistry, Ch.4, WS #2, Stereochemistry - Review of R&S configuration, Fischer Projections, Enantiomers, Diastereomers, Meso Compounds. 1. Assign R or S configuration to each stereocenter. (a) H₂C H₂C a H- H OH CH₂CH₂ - Br CH, (b) 2. For each Fischer Projection, assign R or S configuration. CH₂ CH₂CH₂ b. H₂N- H COOH + -H CH₂ C-OH (c) HTC OH CH₂OH C. Br- CH₂OH CI CHO CHDraw a tetrahedral representation of (S)-4,5-dimethyl-2-hexyne. O • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • Include H atoms at chiral centers only. • If a group is achiral, do not use wedged or hashed bonds on it. +▾ II... H₂C= CH3 CH₂ CH3 ? ChemDoodleof al Authenticatior X T McGraw-Hill Connect X 6 Question 19- Lab 3H X A app.101edu.co the enantiomer of the molecule shown below. Use a dash edge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable. но
- which carbons are sp3 and whyCan you solve for part D?3. Determine the relationship for the following pairs of structures. Use "E" for enantiomers, "D" for diastereomers, "C" for constitutional isomers, "S" for same, and "NS" (not same) for different compounds. a. b. с. d. е. f. Н н iPr "Де Br Br OH CH3 CH3 Ή OH OH OH Br Br CH3 CH3 Br -Н НО -Н H3C -ОН COOH Br Br Br Н H3C- Br OH CH3 Н CH3 iPr CH3 Н- -Br НО _H H OH OH CH3 ОН -OH COOH
- How to complete A?Name the following structures in their IUPAC equivalent. Include stereochemistry if needed.Part A. Using ChemDraw to Build Molecules. 1.) Draw t-butylcyclohexane C3 On ChemDraw, draw t-butylcyclohexane (see above). On Structure tab →Measurement > Generate all bond length (all bond angles, or dihedral angles). Locate the atoms desired. Note placing mouse on the bond also generates distances.Table shows up on the left side listing all the measured distances, angles and dihedral angles. a.) Measure the bond distance (with correct units): C1-C2 b.) Measure the bond angle (with correct units): C1-C2-C3 c.) Measure a dihedral angle, draw the molecule with the dihedral angle: d.) Define dihedral angle:
- Which is the structure of (R)-2-chlorobutane? Explain why.Answer all questions please.CH3 OH 1.6 Which of these compounds are meso compounds and why? a. H3CH₂C HOC-C., но- HO H CH₂CH3 1 Гон H CH₂CH3 Symmetry achiral H H CH₂CH3 b. (H3C)₂HC CH(CH3)2 HOCH H Ho. H OH CH₂CH3 H OH CH(CH3)₂ X C. H3C. НО. НО HO H Ho H CH3 CH3 H -H CH3 symmetry achiral d. I Br H Br Br H CH3 + CH 3 X Br H 3