ORGANIC CHEMISTRY
ORGANIC CHEMISTRY
5th Edition
ISBN: 9781259977596
Author: SMITH
Publisher: MCG
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Chapter 4, Problem 4.57P
Interpretation Introduction

(a)

Interpretation: The orientation of CH3 and OH groups in the given compound is to be predicted.

Concept introduction: Cis–trans isomers are geometrical isomers. Cis-isomer contains two groups on the same side of the ring. Trans-isomer contains two groups on the opposite side of the ring.

Interpretation Introduction

(b)

Interpretation: The location of substituent on Ca that is cis to CH3 group in the given compound is to be predicted.

Concept introduction: Cis–trans isomers are geometrical isomers. Cis-isomer contains two groups on the same side of the ring. Trans-isomer contains two groups on the opposite side of the ring.

Interpretation Introduction

(c)

Interpretation: The orientation of an equatorial Br at Cb to the OH group in the given compound is to be predicted.

Concept introduction: Cis–trans isomers are geometrical isomers. Cis-isomer contains two groups on the same side of the ring. Trans-isomer contains two groups on the opposite side of the ring.

Interpretation Introduction

(d)

Interpretation: The orientation of substituent H on Cc to OH group in the given compound is to be predicted.

Concept introduction: Cis–trans isomers are geometrical isomers. Cis-isomer contains two groups on the same side of the ring. Trans-isomer contains two groups on the opposite side of the ring.

Interpretation Introduction

(e)

Interpretation: The location of substituent on Cd that is tans to OH group in the given compound is to be predicted.

Concept introduction: Cis–trans isomers are geometrical isomers. Cis-isomer contains two groups on the same side of the ring. Trans-isomer contains two groups on the opposite side of the ring.

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5a. Draw a Newman Projection for the following compound.   5b.  Rotation about the C3 – C4 bond in conformer 1 leads to two less stable staggered conformers. Draw a Newman Projection for one of these less stable conformers, as viewed down the C3 to C4 bond. What is the single highest energy gauche interaction in the Newman Projection?
Answer the following questions about compound A, which contains a CH3 group and OH group bonded to the carbon skeleton that consists of three six-membered rings in the conformation shown.a.Are the CH3 and OH groups oriented cis or trans to each other? b. Is a substituent on Ca that is cis to the CH3 group located in the axial or equatorial position? c. Is an equatorial Br at Cb oriented cis or trans to the OH group? d. Is the H atom on Cc located cis or trans to the OH group? e.Is a substituent on Cd that is trans to the OH group located in the axial or equatorial position?
Which statement is true about these conformers? H. H. H H CH3 H3C H. H,C H,C H. H. A O A and B are equally stable O Difficult to predict O A more stable than B ) B more stable than

Chapter 4 Solutions

ORGANIC CHEMISTRY

Ch. 4 - Give the IUPAC name for each compound.Ch. 4 - Give the structure corresponding to each IUPAC...Ch. 4 - Arrange the following compounds in order of...Ch. 4 - Problem 4.14 Draw the staggered and eclipsed...Ch. 4 - Prob. 4.15PCh. 4 - Prob. 4.16PCh. 4 - Problem 4.17 a. Draw the three staggered and...Ch. 4 - Problem 4.18 Rank the following conformations in...Ch. 4 - Problem 4.19 Consider rotation around the...Ch. 4 - Calculate the destabilization present in each...Ch. 4 - Problem 4.21 Classify the ring carbons as up or...Ch. 4 - Problem 4.22 Using the cyclohexane with the C’s...Ch. 4 - Draw a second chair conformation for each...Ch. 4 - Problem 4.24 Draw both conformations for and...Ch. 4 - Problem 4.25 Draw the structure for each compound...Ch. 4 - For cis-1, 3-diethylcyclobutane, draw a a...Ch. 4 - Prob. 4.27PCh. 4 - Problem 4.28 Consider . Draw structures f or the...Ch. 4 - Problem 4.29 Draw a chair conformation of...Ch. 4 - Prob. 4.30PCh. 4 - Draw the products of each combustion reaction.Ch. 4 - Explain why beeswax is insoluble in H2O, slightly...Ch. 4 - Prob. 4.33PCh. 4 - Name each alkane using the ball-and-stick model,...Ch. 4 - Consider the substituted cyclohexane shown in the...Ch. 4 - Prob. 4.36PCh. 4 - Prob. 4.37PCh. 4 - 4.38 Give the IUPAC name for each compound. a. c....Ch. 4 - 4.39 Give the structure and IUPAC name for each of...Ch. 4 - 4.40 Draw the structure corresponding to each...Ch. 4 - Prob. 4.41PCh. 4 - 4.42 Give the IUPAC name for each compound. a....Ch. 4 - Prob. 4.43PCh. 4 - Prob. 4.44PCh. 4 - 4.45 Which conformation in each pair is higher in...Ch. 4 - 4.46 Considering rotation around the bond...Ch. 4 - Prob. 4.47PCh. 4 - 4.48 (a) Using Newman projections, draw all...Ch. 4 - 4.49 Label the sites of torsional and steric...Ch. 4 - 4.50 Calculate the barrier to rotation for each...Ch. 4 - 4.51 The eclipsed conformation of is less...Ch. 4 - (a) Draw the anti and gauche conformations for...Ch. 4 - For each compound drawn below: a.Label each OH,Br...Ch. 4 - Draw the two possible chair conformations for...Ch. 4 - For each compound drawn below: a. Draw...Ch. 4 - 4.56 Convert each of the following structures into...Ch. 4 - Prob. 4.57PCh. 4 - Prob. 4.58PCh. 4 - 4.59 Classify each pair of compounds as...Ch. 4 - Classify each pair of compounds as constitutional...Ch. 4 - Prob. 4.61PCh. 4 - 4.62 Draw the three constitutional isomers having...Ch. 4 - Prob. 4.63PCh. 4 - 4.64 Draw the products of combustion of each...Ch. 4 - 4.65 Hydrocarbons like benzene are metabolized in...Ch. 4 - Prob. 4.66PCh. 4 - Prob. 4.67PCh. 4 - Cyclopropane and cyclobutane have similar strain...Ch. 4 - Prob. 4.69PCh. 4 - Haloethanes (CH3CH2X,X=Cl,Br,I) have similar...Ch. 4 - Prob. 4.71PCh. 4 - Prob. 4.72PCh. 4 - Consider the tricyclic structure B (a) Label each...Ch. 4 - Read Appendix B on naming branched alkyl...Ch. 4 - Read Appendix B on naming bicyclic compounds. Then...
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