Monosubstituted cyclohexanes occur in two equilibrium conformations. In one conformation, the substituent is in an axial position. In the other conformation, the substituent is in the equatorial position. Complete the drawing of each chair conformation below and circle the more stable conformation. Br

Monosubstituted cyclohexanes occur in two equilibrium conformations. In one conformation, the substituent is in an axial position. In the other conformation, the substituent is in the equatorial position. Complete the drawing of each chair conformation below and circle the more stable conformation. Br

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter7: Cycloalkanes

Section: Chapter Questions

Problem 12CTQ: Fill in the blanks: cis-1,3-Dimethylcyclohexane has two different chair conformations: one withboth...

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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?
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.
Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This group is called an ethyl group and can be considered a sphere about twice the sizeof a methyl group. Draw the following Newman projections sighting down the C1C2 bond... a. The lowest potential energy conformation. b. The highest potential energy staggered conformation.
myo-Inositol, one of the isomers of 1,2,3,4,5,6-hexahydroxycyclohexane, acts as a growth factor in both animals and microorganisms. Draw the most stable chair conformation of myo-inositol.
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.
Following are structural formulas for 1,4-dioxane and piperidine. 1,4-Dioxane is a widely used solvent for organic compounds. Piperidine is found in small amounts in black pepper (Piper nigrum). (a) Complete the Lewis structure of each compound by showing all unshared electron pairs. (b) Predict bond angles about each carbon, oxygen, and nitrogen atom. (c) Describe the most stable conformation of each ring and compare these conformations with the chair conformation of cyclohexane.
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Monosubstituted cyclohexanes occur in two equilibrium conformations. In one conformation, the substituent is in an axial position. In the other conformation, the substituent is in the equatorial position. Complete the drawing of each chair conformation below and circle the more stable conformation.
Draw alternative chair conformations for the following substituted cyclohexane and determine which chair is more stable. C HO H ОН In its most stable chair conformation, indicate the orientation of each of the labeled groups in this substituted cyclohexane. Group a: Group b: Group c:
6) Draw the energetically favored (more stable) chair conformer of the following cyclohexane. H3C OH 110
Draw the two chair cyclohexane conformations for the compound shown below. How many substituents are equatorial in the less stable conformation? CI" O معه O O 2 JI... CI ""CI
Is there a difference in the stability of the two cyclohexane conformations?