(a)
Interpretation:
Correct IUPAC name for the given
Concept Introduction:
For naming an aldehyde in
IUPAC rules for naming an aldehyde:
- • The longest parent carbon chain is identified that includes the carbonyl group.
- • The parent chain name is changed by replacing the suffix “-e” with “-al”.
- • Numbering is done in a way that the carbonyl group is designated as number 1. This is not indicated in the part of the name because for aldehyde, the carbonyl carbon is always numbered 1.
- • The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.
- • If the carbonyl
functional group is attached to a ring of carbon atoms, the ring is named and “-carbaldehyde” is added as suffix.
(b)
Interpretation:
Correct IUPAC name for the given aldehyde has to be assigned.
Concept Introduction:
For naming an aldehyde in IUPAC nomenclature, the suffix “-al” is added to the parent alkane name.
IUPAC rules for naming an aldehyde:
- • The longest parent carbon chain is identified that includes the carbonyl group.
- • The parent chain name is changed by replacing the suffix “-e” with “-al”.
- • Numbering is done in a way that the carbonyl group is designated as number 1. This is not indicated in the part of the name because for aldehyde, the carbonyl carbon is always numbered 1.
- • The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.
- • If the carbonyl functional group is attached to a ring of carbon atoms, the ring is named and “-carbaldehyde” is added as suffix.
(c)
Interpretation:
Correct IUPAC name for the given aldehyde has to be assigned.
Concept Introduction:
For naming an aldehyde in IUPAC nomenclature, the suffix “-al” is added to the parent alkane name.
IUPAC rules for naming an aldehyde:
- • The longest parent carbon chain is identified that includes the carbonyl group.
- • The parent chain name is changed by replacing the suffix “-e” with “-al”.
- • Numbering is done in a way that the carbonyl group is designated as number 1. This is not indicated in the part of the name because for aldehyde, the carbonyl carbon is always numbered 1.
- • The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.
- • If the carbonyl functional group is attached to a ring of carbon atoms, the ring is named and “-carbaldehyde” is added as suffix.
(d)
Interpretation:
Correct IUPAC name for the given aldehyde has to be assigned.
Concept Introduction:
For naming an aldehyde in IUPAC nomenclature, the suffix “-al” is added to the parent alkane name.
IUPAC rules for naming an aldehyde:
- • The longest parent carbon chain is identified that includes the carbonyl group.
- • The parent chain name is changed by replacing the suffix “-e” with “-al”.
- • Numbering is done in a way that the carbonyl group is designated as number 1. This is not indicated in the part of the name because for aldehyde, the carbonyl carbon is always numbered 1.
- • The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.
- • If the carbonyl functional group is attached to a ring of carbon atoms, the ring is named and “-carbaldehyde” is added as suffix.
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Organic And Biological Chemistry
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