Concept explainers
a)
Interpretation:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are to be given.
Concept introduction:
Michael reaction involves the conjugate addition of a stable enolate ion derived from a β-ketoesters or β-diketones or β-ketonitriles or malonic esters (donors) to an unhindered α,β-unsaturated
To give:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown.
Answer to Problem 62AP
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
Explanation of Solution
An analysis of the structure of the compound indicates that it is formed by the reaction between the ethylacetoacetate (nucleophilic donor) and phenyl vinyl ketone (electrophilic acceptor).
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
b)
Interpretation:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are to be given.
Concept introduction:
Michael reaction involves the conjugate addition of a stable enolate ion derived from a β-ketoesters or β-diketones or β-ketonitriles or malonic esters (donors) to an unhindered α,β-unsaturated ketones or aldehydes or esters or thioesters or nitriles or amides or nitro compounds (acceptors). The enolate ion from the donor attacks the double bond in acceptor. A new bond is formed between the α-carbon of the donor and the β-carbon of the unsaturated ester.
To give:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown.
Answer to Problem 62AP
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
Explanation of Solution
An analysis of the structure of the compound indicates that it is formed by the reaction between the ethylacetoacetate (nucleophilic donor) and methyl vinyl ketone (electrophilic acceptor).
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
c)
Interpretation:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are to be given.
Concept introduction:
Michael reaction involves the conjugate addition of a stable enolate ion derived from a β-ketoesters or β-diketones or β-ketonitriles or malonic esters (donors) to an unhindered α,β-unsaturated ketones or aldehydes or esters or thioesters or nitriles or amides or nitro compounds (acceptors). The enolate ion from the donor attacks the double bond in acceptor. A new bond is formed between the α-carbon of the donor and the β-carbon of the unsaturated ester.
To give:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown.
Answer to Problem 62AP
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
Explanation of Solution
An analysis of the structure of the compound indicates that it is formed by the reaction between the ethylacetoacetate (nucleophilic donor) and vinyl nitrile (electrophilic acceptor).
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
d)
Interpretation:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are to be given.
Concept introduction:
Michael reaction involves the conjugate addition of a stable enolate ion derived from a β-ketoesters or β-diketones or β-ketonitriles or malonic esters (donors) to an unhindered α,β-unsaturated ketones or aldehydes or esters or thioesters or nitriles or amides or nitro compounds (acceptors). The enolate ion from the donor attacks the double bond in acceptor. A new bond is formed between the α-carbon of the donor and the β-carbon of the unsaturated ester.
To give:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown.
Answer to Problem 62AP
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
Explanation of Solution
An analysis of the structure of the compound indicates that it is formed by the reaction between nitro ethane (nucleophilic donor) and ethylacrylate (electrophilic acceptor).
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
e)
Interpretation:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound are to be given.
Concept introduction:
Michael reaction involves the conjugate addition of a stable enolate ion derived from a β-ketoesters or β-diketones or β-ketonitriles or malonic esters (donors) to an unhindered α,β-unsaturated ketones or aldehydes or esters or thioesters or nitriles or amides or nitro compounds (acceptors). The enolate ion from the donor attacks the double bond in acceptor. A new bond is formed between the α-carbon of the donor and the β-carbon of the unsaturated ester.
To give:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown.
Answer to Problem 62AP
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
Explanation of Solution
An analysis of the structure of the compound indicates that it is formed by the reaction between the ethylsuccinate (nucleophilic donor) and nitro ethene (electrophilic acceptor).
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
f)
Interpretation:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are to be given.
Concept introduction:
Michael reaction involves the conjugate addition of a stable enolate ion derived from a β-ketoesters or β-diketones or β-ketonitriles or malonic esters (donors) to an unhindered α,β-unsaturated ketones or aldehydes or esters or thioesters or nitriles or amides or nitro compounds (acceptors). The enolate ion from the donor attacks the double bond in acceptor. A new bond is formed between the α-carbon of the donor and the β-carbon of the unsaturated ester.
To give:
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown.
Answer to Problem 62AP
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
Explanation of Solution
An analysis of the structure of the compound indicates that it is formed by the reaction between nitro methane (nucleophilic donor) and 2-cyclopentenone (electrophilic acceptor).
The nucleophilic donor and electrophilic acceptor that react in a Michael reaction to yield the compound shown are
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Chapter 23 Solutions
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