Chapter 18.SE, Problem 39AP

Interpretation Introduction

a)

Interpretation:

The IUPAC name of the compound shown is to be given.

Concept introduction:

Simple sulfides are with no other functional groups are named by identifying the two organic substituents and adding the word sulfide. If other functional groups are present, the sulfide part is considered as a thioalkyl substituent.

To give:

The IUPAC name of the compound shown.

Answer to Problem 39AP

The IUPAC name of the compound shown is cyclohexyl isopropyl sulfide.

Explanation of Solution

The sulfide contains a sulfur atom attached to a cyclohexyl group and an isopropyl group.

Conclusion

The IUPAC name of the compound shown is cyclohexyl isopropyl sulfide.

Interpretation Introduction

b)

Interpretation:

The IUPAC name of the compound shown is to be given.

Concept introduction:

Simple ethers are with no other functional groups are named by identifying the two organic substituents and adding the word ether. If other functional groups are present, the ether part is considered as an alkoxy substituent.

To give:

The IUPAC name of the compound shown.

Answer to Problem 39AP

The IUPAC name of the compound shown is 1, 2-dimethoxy benzene.

Explanation of Solution

The compound contains a benzene ring with two methoxyl groups in ortho relationship.

Conclusion

The IUPAC name of the compound shown is 1, 2-dimethoxy benzene.

Interpretation Introduction

c)

Interpretation:

The IUPAC name of the compound shown is to be given.

Concept introduction:

The epoxides are named by identifying the ring and the positions on the ring to which the oxygen atom is attached.

To give:

The IUPAC name of the compound shown.

Answer to Problem 39AP

The IUPAC name of the compound shown is 1, 2-epoxycyclopentane.

Explanation of Solution

The compound given contains a cyclopentane ring with the oxygen atom attached to C₁ and C₂.

Conclusion

The IUPAC name of the compound shown is 1, 2-epoxycyclopentane.

Interpretation Introduction

d)

Interpretation:

The IUPAC name of the compound shown is to be given.

Concept introduction:

Simple ethers are with no other functional groups are named by identifying the two organic substituents and adding the word ether. If other functional groups are present, the ether part is considered as an alkoxy substituent.

To give:

The IUPAC name of the compound shown.

Answer to Problem 39AP

The IUPAC name of the compound shown is 2-methyltetrahydrofuran.

Explanation of Solution

The compound has a tetrahydrofuran ring with a methyl group attached on C₂.

Conclusion

The IUPAC name of the compound shown is 2-methyltetrahydrofuran.

Interpretation Introduction

e)

Interpretation:

The IUPAC name of the compound shown is to be given.

Concept introduction:

Simple ethers are with no other functional groups are named by identifying the two organic substituents and adding the word ether. If other functional groups are present, the ether part is considered as an alkoxy substituent.

To give:

The IUPAC name of the compound shown.

Answer to Problem 39AP

The IUPAC name of the compound shown is cyclopropyl isopropyl ether.

Explanation of Solution

The compound given contains a cyclopropyl and an isopropyl group attached to an oxygen atom.

Conclusion

The IUPAC name of the compound shown is cyclopropyl isopropyl ether.

Interpretation Introduction

f)

Interpretation:

The IUPAC name of the compound shown is to be given.

Concept introduction:

Aromatic thiols are names as derivatives of benzenethiol. The positions of the substituents, if present, are indicated by numbering from the carbon that contains SH group.

To give:

The IUPAC name of the compound shown.

Answer to Problem 39AP

The IUPAC name of the compound shown is 2-nitrobenzenethiol.

Explanation of Solution

The compound given contains a benzene ring attached to a thiol group and a nitro groups in 1, 2-relationship.

Conclusion

The IUPAC name of the compound shown is 2-nitrobenzenethiol.

Interpretation Introduction

g)

Interpretation:

The IUPAC name of the compound shown is to be given.

Concept introduction:

Thioalcohols are named as derivatives of the parent alkane using the suffix –thial. The longest carbon chain containing the thiol group is chosen and the parent name is derived by replacing the ending –e with –thial. The alkane chain is numbered beginning at the end nearer to the thiol group. The substituents are numbered according to their position on the chain. The name is written listing the substituents in the alphabetical order and indicating the position to which –SH is bonded.

To give:

The IUPAC name of the compound shown.

Answer to Problem 39AP

The IUPAC name of the compound shown is 2-(isopropylthio)-3, 4-dimethylhexane.

Explanation of Solution

In the compound shown a sulfur atom is attached to an isopropyl group and a 3, 4-dimethylhexyl group attached through C₂.

Conclusion

The IUPAC name of the compound shown is 2-isopropylthio-3, 4-dimethylhexane.

Interpretation Introduction

h)

Interpretation:

The IUPAC name of the compound shown is to be given.

Concept introduction:

Simple ethers are with no other functional groups are named by identifying the two organic substituents and adding the word ether. If other functional groups are present, the ether part is considered as an alkoxy substituent.

To give:

The IUPAC name of the compound shown.

Answer to Problem 39AP

The IUPAC name of the compound shown is 2, 2-dimethoxypropane.

Explanation of Solution

The compound contains a three carbon straight chain with two methoxy groups attached to C₂.

Conclusion

The IUPAC name of the compound shown is 2, 2-dimethoxypropane.

Interpretation Introduction

i)

Interpretation:

The IUPAC name of the compound shown is to be given.

Concept introduction:

Simple sulfides are with no other functional groups are named by identifying the two organic substituents and adding the word sulfide. If other functional groups are present, the sulfide part is considered as alkylthio substituent.

To give:

The IUPAC name of the compound shown.

Answer to Problem 39AP

The IUPAC name of the compound shown is 1, 1-(dimethylthio) cyclohexane.

Explanation of Solution

The compound contains a cyclohexane ring with two methylthio groups attached to C₁.

Conclusion

The IUPAC name of the compound shown is 1, 1-dimethylthiocyclohexane.