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a)
Interpretation:
Using an alkylation reaction as the key step how the compound shown can be prepared is to be given.
Concept introduction:
An alkylation reaction is used to introduce a methyl or a primary alkyl group in α- position of aTo give:
Using an alkylation reaction as the key step how to prepare the compound shown.
b)
Interpretation:
Using an alkylation reaction as the key step how the compound shown can be prepared.
Concept introduction:
An alkylation reaction is used to introduce a methyl or a primary alkyl group in α- position of a ketone, ester or nitrile by a SN2 reaction of the enolate ion with an alkyl halide. Thus by looking at α- carbon of the product the alkyl halide to be used in the reaction can be identified. The enolate ion can be produced by using lithium diisopropylamide (LDA).
To give:
Using an alkylation reaction as the key step how to prepare the compound shown.
c)
Interpretation:
Using an alkylation reaction as the key step how the compound shown can be prepared.
Concept introduction:
An alkylation reaction is used to introduce a methyl or a primary alkyl group in α- position of a ketone, ester or nitrile by aSN2reaction of the enolate ion with an alkyl halide. Thus by looking at α- carbon of the product the alkyl halide to be used in the reaction can be identified. The enolate ion can be produced by using lithium diisopropylamide (LDA).
To give:
Using an alkylation reaction as the key step how to prepare the compound shown.
d)
Interpretation:
Using an alkylation reaction as the key step how the compound shown can be prepared.
Concept introduction:
An alkylation reaction is used to introduce a methyl or a primary alkyl group in α- position of a ketone, ester or nitrile by a SN2 reaction of the enolate ion with an alkyl halide. Thus by looking at α- carbon of the product the alkyl halide to be used in the reaction can be identified. The enolate ion can be produced by using lithium diisopropylamide (LDA).
To give:
Using an alkylation reaction as the key step how to prepare the compound shown.
e)
Interpretation:
Using an alkylation reaction as the key step how the compound shown can be prepared.
Concept introduction:
An alkylation reaction is used to introduce a methyl or a primary alkyl group in α- position of a ketone, ester or nitrile by a SN2 reaction of the enolate ion with an alkyl halide. Thus by looking at α- carbon of the product the alkyl halide to be used in the reaction can be identified. The enolate ion can be produced by using lithium diisopropylamide (LDA).
To give:
Using an alkylation reaction as the key step how to prepare the compound shown.
f)
Interpretation:
Using an alkylation reaction as the key step how the compound shown can be prepared.
Concept introduction:
An alkylation reaction is used to introduce a methyl or a primary alkyl group in α- position of a ketone, ester or nitrile by a SN2 reaction of the enolate ion with an alkyl halide. Thus by looking at α- carbon of the product the alkyl halide to be used in the reaction can be identified. The enolate ion can be produced by using lithium diisopropylamide (LDA).
To give:
Using an alkylation reaction as the key step how to prepare the compound shown.
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Chapter 22 Solutions
Organic Chemistry
- How does propane synthesized from propanone? Show its mechanism.arrow_forwardHow can you synthesize the following compound using 2-methylbutane as the starting material?arrow_forwardWhen the ketone and aldehyde shown below are treated with a base two possible products are formed. Discuss how each product is formed and provide a mechanism.arrow_forward
- Meo `H Me,N `H Propose a synthesis for the following transformations.arrow_forwardWhen the ketone and aldehyde shown below are treated with a base two possible products are formed. Discuss how each product is formed and provide a mechanism.arrow_forwardhow to synthesize this reaction ? more than one steparrow_forward
- Give the IUPAC name of the product formed in the multi-step synthesis reaction below. The first step is treatment of sodium hydroxide to an alkyl halide. The product of the first reaction is treated with sodium dichromate in acidic conditions to form the product. Answer: NaOH Br Na2Cr2O7 H*, H₂Oarrow_forwardShow how you might synthesize the following compound from a haloalkane and a nucleophile.arrow_forwardDraw the mechanism for the reaction of an alkyl halide with sodium azide followed by reduction. Complete the mechanism of the initial step of the reaction, then identify the key intermediate and the product. Step 1: Draw curved arrows. o z + Na + || : z: I Step 2: Complete the intermediate. Na +arrow_forward
- Synthesize the following compounds from the given starting material. You can add on any alkyl/ alkyl halide under 8 carbons or any necessary inorganic reagent needed (this includes triphenyl phosphine (Ph3P). Please draw all intermediates and reagents necessary to get to the productarrow_forwardShow how each of the following syntheses can be accomplished from the given starting reactantsarrow_forwardDraw the major product for the following reaction: 1) 9-BBN 2) H₂O₂, NaOH ?arrow_forward
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