Identify the stereocenters in each of the following molecules as R/S or achiral. (Noteif required, the same answer can be used more than once. i.e. there may be two "R"isomers or "S" isomers, etc.) Choose carefully.H.CH31. Risomer2. SisomerHO3. achiral molecule>

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Answered: dentify the stereocenters in each of…

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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Draw a structural formula of the SS configuration of the compound shown below. Mastered S S • 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. Sn [F ? ChemDoodleⓇ
are other unmodified S molecule from 4. Are they enantiomers or are they model with the identical? Draw the mirror image of this stereoisomer and assign the R/S configurations of each chiral carbons for both isomers. 6. Shown below is the Fisher projection of (R)-2-bromo-(S)-3-chlorobutane. CH3 -Br CH3 CI H. mirror plane 7. Make models of both stereoisomers in question 6. Test the models for superimposability. Secure the initials of your TA after showing them your physical model of (R)-2-bromo-(S)-3-chlorobutane. initials In the space below draw Fisher projections of the two stereoisomers of 2- thich are diastereomers of the stereoisomers shown in nnstructed for question 7 and switch two del represented by one of the mmetric centers.
Please answer parts D,E,F
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5. Instead of redrawing the molecule to make the lowest priority group point back, alternatively, the lowest priority group can be swapped with the group that is currently pointing back. This is now the enantiomer of the original compound. The procedure is described below. Determine priorities of the groups attached to the stereocenter. Swap the lowest priority group with the group that is pointing back, and redraw (this is the enantiomer). iii. Determine the absolute configuration (R or S) of the enantiomer. iv. Determine the absolute configuration (R or S) of the original compound. i. ii. Answer the following questions. Completely fill in the circle in front of your chosen answer. (a) Assign priorities of the groups at this stereocenter (1 = highest priority; 2 = second priority; 3 = third priority; 4 = lowest priority). Each group must have a different priority: CH3 Br H CH3 *Br H3CH₂C H 3 O 4 (b) The absolute configuration of this compound is: OR OS CH₂CH3 1 02
For the following molecules: a. How many stereogenic centers are present? b. How many stereoisomers are possible for these molecules?
For each organic compound in the table below, enter the locant of the highlighted side chain. compound CH 3 | CH₂ - CH - CH₂ - C - CH₂ 1 1 CH3 - CH₂ I CH3 CH3 CH₂ CH3 t CH₂-C- CH₂ - CH - CH₂ CH3 CH3 1 CH3 CH₂-C- | CH3 CH3 locant of highlighted side chain 0 3
Describe the relationship of the following pairs of molecules as identical, enantiomers, diastereomers, or constitutional isomers. Br Ме, Н Me CI Me i. CI Br H Me H CI, Et Me CI Et Et. ii. Me Et Me CI Mee CI iii. none of the other answer choices are correct O i. = diastereomers; ii. = identical; iii. = enantiomers i. = diastereomers; ii. = constitutional isomers; iii. = diastereomers i. = enantiomers; ii. = constitutional isomers; iii. = diastereomers O i. = enantiomers; i. = identical; iii. = diastereomers
Please help with parts K,L,N. If you notice any incorrect please let me know.
For the molecule below, a) Draw out every possible stereosimer. b) Indicate any enantiomer pairs c) Then, indicate any meso-stereoisomers, and proceed to clearly indicate the internal mirror plane.
Please answer parts G,H,I
A)Circle all of the stereo centers in MDMA. B) assign the absolute stereochemistry (R or S) for each stereo center

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dentify the stereocenters in each of the following molecules as R/S or achira f required, the same answer can be used more than once. i.e. there may be t somers or "S" isomers, etc.) Choose carefully. H - CH3 1. Risomer 2. Sisomer но 3. achiral molecule H2N > >