Concept explainers
Draw the structure for each of the following:
- a. isobutyraldehyde
- b. diisopentyl
ketone - c. 3-methylcyclohexanone
- d. 2,4-pentanedione
- e. 4-bromo-3-heptanone
- f. 4-bromohexanal
(a)
Interpretation:
The structure of Isobutyraldehyde has to be drawn.
Concept Introduction:
For any given organic compound name, the corresponding structure can be analysed and drawn by analysing or identifying the following aspects of the name:
- Parent chain.
- Functional group.
- Position of the functional group on the parent chain.
- Alkyl substituent.
- Position of the alkyl substituent on the parent chain.
Answer to Problem 28P
The structure of Isobutyraldehyde is given below:
Explanation of Solution
The compound has aldehyde group that is attached to the isobutyl group.
The structure of isobutyraldehyde is as follows.
(b)
Interpretation:
The structure of diisopentyl ketone has to be drawn.
Concept Introduction:
For any given organic compound name, the corresponding structure can be analysed and drawn by analysing or identifying the following aspects of the name:
- Parent chain.
- Functional group.
- Position of the functional group on the parent chain.
- Alkyl substituent.
- Position of the alkyl substituent on the parent chain.
Answer to Problem 28P
The structure of diisopentyl ketone is given below:
Explanation of Solution
The compound has ketone functional group. Two isopentyl groups are attached to the keto group.
The structure of diisopentyl ketone is as follows.
(c)
Interpretation:
The structure of 3-methylcyclohexanone has to be drawn.
Concept Introduction:
For any given organic compound name, the corresponding structure can be analysed and drawn by analysing or identifying the following aspects of the name:
- Parent chain.
- Functional group.
- Position of the functional group on the parent chain.
- Alkyl substituent.
- Position of the alkyl substituent on the parent chain.
Answer to Problem 28P
The structure of 3-methylcyclohexanoneis given below:
Explanation of Solution
The compound has ketone functional and group and it is cyclohexanone that has one methyl group at 3rd position of the cyclic ring.
The structure of 3-methyl cyclohexanone is as follows.
(d)
Interpretation:
The structure of 2,4-pentanedione has to be drawn.
Concept Introduction:
For any given organic compound name, the corresponding structure can be analysed and drawn by analysing or identifying the following aspects of the name:
- Parent chain.
- Functional group.
- Position of the functional group on the parent chain.
- Alkyl substituent.
- Position of the alkyl substituent on the parent chain.
Answer to Problem 28P
The structure of 2,4-pentanedione is given below:
Explanation of Solution
The compound has two keto functional groups and these are attached to the pentane carbon chain.
The structure of 2,4-pentanedione is as follows:
(e)
Interpretation:
The structure of 4-bromo-3-heptanone has to be drawn.
Concept Introduction:
For any given organic compound name, the corresponding structure can be analysed and drawn by analysing or identifying the following aspects of the name:
- Parent chain.
- Functional group.
- Position of the functional group on the parent chain.
- Alkyl substituent.
- Position of the alkyl substituent on the parent chain.
Answer to Problem 28P
The structure of 4-bromo-3-heptanone is given below:
Explanation of Solution
The compound has keto functional group and it is attached to the heptane carbon chain. At the 4th position of the carbon chain has bromine attachment.
(f)
Interpretation:
The structure of 4-bromohexenal has to be drawn.
Concept Introduction:
For any given organic compound name, the corresponding structure can be analysed and drawn by analysing or identifying the following aspects of the name:
- Parent chain.
- Functional group.
- Position of the functional group on the parent chain.
- Alkyl substituent.
- Position of the alkyl substituent on the parent chain.
Answer to Problem 28P
The structure of 4-bromohexenal is given below:
Explanation of Solution
The compound has bromine functional group at the 4th position from the aldehyde functional group on the hexane parent chain.
The structure of 4-bromohexenal is as follows:
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Chapter 12 Solutions
Essential Organic Chemistry Study Guide & Solution Manual, Books a la Carte Edition
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