3. Draw Newman projection for the highest and lowest energy conformers of your assigned molecule. Provide a rationale to support your answer. In other words, why is the highest energy conformer so high in energy? Why is the lowest energy conformer low in energy? Molecule (2R,3S)-2-Bromo-3- Floro butane

3. Draw Newman projection for the highest and lowest energy conformers of your assigned molecule. Provide a rationale to support your answer. In other words, why is the highest energy conformer so high in energy? Why is the lowest energy conformer low in energy? Molecule (2R,3S)-2-Bromo-3- Floro butane

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter6: Alkanes & Alkenes

Section: Chapter Questions

Problem 4E: Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This...

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Following is a chair conformation of cyclohexane with the carbon atoms numbered 1 through 6. (a) Draw hydrogen atoms that are above the plane of the ring on carbons 1 and 2 and below the plane of the ring on carbon 4. (b) Which of these hydrogens are equatorial? Which are axial? (c) Draw the alternative chair conformation. Which hydrogens are equatorial? Which are axial? Which are above the plane of the ring? Which are below it?
Use your answers from Problem 2.48 to complete the table showing correlations between cis,trans and axial,equatorial for disubstituted derivatives of cyclohexane. Draw the alternative chair conformations for the cis and trans isomers of 1,2-dimethylcyclohexane, 1,3-dimethylcyclohexane, 1,4-dimethylcyclohexane. (a) Indicate by a label whether each methyl group is axial or equatorial.
Consider the Newman projection below. a. Draw a full Lewis structure of this molecule with R1=Me,R2=Et , and R3=iPr . b. Given the sizes of these R groups (R3R2R1) , does the Newman projection above show thelowest potential energy conformation of this bond? If not, draw a Newman projectionshowing the lowest P.E. conformation (sighting down this same bond). c. To draw a Newman projection in the lowest P.E. conformation, the following rule of thumbusually applies: Place the largest group on the front carbon anti to the largest group on theback carbon. Is your answer to the previous question consistent with this rule of thumb?
Using your model of butane (CH3CH2CH2CH3) , complete the following graph of the anglebetween the two Me groups vs. potential energy. a. Label each Newman projection of butane on the graph with the words staggered, eclipsed, gauche, and anti, as appropriate. (Note that some structures will have more than one label.) b. Draw a wedge and dash bond representation of butane in its lowest P.E. conformation.
Fill in the blanks: cis-1,3-Dimethylcyclohexane has two different chair conformations: one withboth methyl groups in __________ positions and one with both methyl groups in ____________ positions.
Please show reaekson and don't use hend raiting
Pertanyaan yang ada pada gambar
2. Convert the following bond-line structure to Newman projections that represents it lowest energy and highest energy conformations. Look down the indicated C2-C3 bond. lowest energy highest energy
for each molecule there should be 3 different newman projections
3. Draw both chair conformations for the cyclohexane molecule shown below, and circle the most stable conformation (the methyl group is larger than the hydroxyl group). OH H3C
Which of the following is the highest energy chair conformer of the most stable isomer of 1-ethyl-2,4-dimethylcyclohexane? A | B II C) III IV = || ||| > IN
Compare the following conformers of butan-2-ol. Match each conformer to their corresponding relative energy. Recall, the more stable the conformer the lower the energy. 1. ОН CH3 CH3 H 2nd Highest Energy 2. HỌH CH3 2nd Lowest Energy H3C OH Highest Energy 3. H3C. CH3 Lowest Energy OH H. CH3 4. >