Organic Chemistry
7th Edition
ISBN: 9780321803221
Author: Paula Y. Bruice
Publisher: Prentice Hall
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Textbook Question
Chapter 3, Problem 61P
a. Draw Newman projections of the two conformers of cis-1,3-dimethylcyclohexane.
- a. Which of the conformers predominates at equilibrium?
- b. Draw Newman projections of the two conformers of the trans isomer.
- c. Which of the conformers predominates at equilibrium?
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Neuroprotectin D1 (NPD1) is synthesized in the body from highly unsaturated essential fatty acids. NPD1 is a potent natural anti-inflammatory agent.a.Label each carbon–carbon double bond as conjugated or isolated.
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a. Which is more stable; cis-1,3-dimethylcyclohexane or trans-1,3-
dimethylcyclohexane?
i. Draw chair configuration of cis-1,3-dimthylcyclohexane and its alternate
chair. conformation shown above.
ii. Of the two chair conformation, which is more stable? Explain:.
iii. Draw chair configuration of trans-1,3-dimethylcyclohexane and its
alternate chair, conformation shown above.
iv. Of the two chair conformation, which is more stable? Explain.
v. Which is more stable overall, cis or trans form?
For each compound drawn below:
a. Draw representations for the cis and trans isomers using a hexagon for the six-membered ring, and wedges and dashes for
substituents.
b. Draw the two possible chair conformations for the cis isomer. Which conformation, if either, is more stable?
c. Draw the two possible chair conformations for the trans isomer. Which conformation, if either, is more stable?
d. Which isomer, cis or trans, is more stable and why?
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Chapter 3 Solutions
Organic Chemistry
Ch. 3.1 - Name each of the following:Ch. 3.1 - Draw the structure of a compound with molecular...Ch. 3.1 - Draw the structures and name the four...Ch. 3.1 - Prob. 6PCh. 3.1 - Draw the structure for each of the following: a....Ch. 3.1 - Name the following compounds: a. CH3OCH2CH3 b....Ch. 3.2 - Prob. 11PCh. 3.2 - Prob. 12PCh. 3.3 - Prob. 13PCh. 3.3 - Prob. 14P
Ch. 3.3 - Prob. 15PCh. 3.3 - Prob. 16PCh. 3.3 - What is each compounds systematic name?Ch. 3.4 - Give two names for each of the following alkyl...Ch. 3.4 - Prob. 19PCh. 3.5 - a. What is each ethers systematic name? 1....Ch. 3.6 - Draw the structures of a homologous series of...Ch. 3.6 - Give each of the following a systematic name and...Ch. 3.6 - Prob. 23PCh. 3.6 - Prob. 24PCh. 3.7 - Are the following compounds primary, secondary, or...Ch. 3.7 - Prob. 26PCh. 3.7 - Prob. 27PCh. 3.7 - For each of the following, give the systematic...Ch. 3.8 - Predict the approximate size of the following bond...Ch. 3.9 - Prob. 30PCh. 3.9 - Prob. 31PCh. 3.9 - Prob. 32PCh. 3.9 - Rank the following compounds from highest boiling...Ch. 3.9 - Rank the compounds in each set from highest...Ch. 3.9 - Prob. 35PCh. 3.9 - In which solvent would cyclohexane have the lowest...Ch. 3.10 - a. Draw all the staggered and eclipsed conformers...Ch. 3.10 - Prob. 38PCh. 3.10 - Using Newman projections, draw the most stable...Ch. 3.11 - The bond angles in a regular polygon with n sides...Ch. 3.11 - Prob. 41PCh. 3.11 - Prob. 42PCh. 3.12 - Draw 1,2,3,4,5,6-hexachlorocydohexane with a. all...Ch. 3.13 - The chair conformer of fluorocyclohexane is 0.25...Ch. 3.13 - Using the data in Table 3.9, calculate the...Ch. 3.14 - Prob. 46PCh. 3.14 - Which has a higher percentage of the...Ch. 3.14 - For each of the following disubstituted...Ch. 3.14 - a. Calculate the energy difference between the two...Ch. 3 - a. How many hydrogen does an alkene with 17...Ch. 3 - Draw the structure of octane and isooctaneCh. 3 - Draw a condensed structure and a skeletal...Ch. 3 - Prob. 53PCh. 3 - a. What is each compounds systematic name? b. Draw...Ch. 3 - Which of the following represents a cis isomer?Ch. 3 - a. How many primary carbons does each of the...Ch. 3 - Which of the following conformers of isobutyl...Ch. 3 - Draw a skeletal structure for an alkane that has...Ch. 3 - What is each compounds systematic name? a....Ch. 3 - Which bus a. the higher boiling point:...Ch. 3 - a. Draw Newman projections of the two conformers...Ch. 3 - Ansaid and Motrin belong to the group of drugs...Ch. 3 - Prob. 63PCh. 3 - A student was given the structural formulas of...Ch. 3 - Which of the following conformers has the highest...Ch. 3 - Prob. 66PCh. 3 - Prob. 67PCh. 3 - For rotation about the C-3C-4 bond of...Ch. 3 - Prob. 69PCh. 3 - What is each compounds systematic name? a. b. c....Ch. 3 - Prob. 71PCh. 3 - Why are lower molecular weight alcohols more...Ch. 3 - a. Draw a potential energy diagram for rotation...Ch. 3 - For each of the following compound, determine...Ch. 3 - How many ethers have molecular formula C5H12O?...Ch. 3 - Draw the most stable conformer of the following...Ch. 3 - What is each compounds systematic name?Ch. 3 - Calculate the energy difference between the two...Ch. 3 - The most stable from of glucose (blood sugar) is a...Ch. 3 - Prob. 80PCh. 3 - Explain the following: a. 1-Hexanol has a higher...Ch. 3 - One of the chair conformers of cis-...Ch. 3 - Bromine is a larger atom than chlorine, but the...Ch. 3 - Name the following compounds:Ch. 3 - Prob. 85PCh. 3 - Using the data obtained in Problem 85, calculate...
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- a model of cyclohexane in a chair conformation, and explain why the names “axial” and“equatorial’ are appropriate.arrow_forward4. Draw the Newman projection of the conformer below as it is drawn looking down the indicated C-C bond. Then draw the most stable conformer and the least stable conformer as Newman projections. PH. CH3 H H CI Newman of Drawn Newman of Most Newman of Least Conformer Stable Conformer Stable Conformerarrow_forwardConsider 1,2-dimethylcyclohexane. a.Draw structures for the cis and trans isomers using a hexagon for the sixmembered ring. b. Draw the two possible chair conformations for the cis isomer. Which conformation, if either, is more stable? c. Draw the two possible chair conformations for the trans isomer. Which conformation, if either, is more stable? d.Which isomer, cis or trans, is more stable and why?arrow_forward
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