(a)
To determine: How the given conversion would be accomplished.
Interpretation: How the given conversion would be accomplished is to be stated.
Concept introduction: The steps followed by electrophilic addition reaction are stated below:
- First protonation of the
alkene take place to generate the carbocation. - Stabilization of carbocation by water molecule.
- Abstraction of proton by another water molecule to produce alcohol with removal of hydronium ion.
(b)
To determine: How the given conversion would be accomplished.
Interpretation: How the given conversion would be accomplished is to be stated.
Concept introduction: Hydroboration reaction is a two step reaction, which involves conversion of alkene into alcohol. This type of reaction follows anti-markovinokov’s rule.
Anti markovinokov’s rule states that the positive part of acid is attached to that carbon atom in
(c)
To determine: How the given conversion would be accomplished.
Interpretation: How the given conversion would be accomplished is to be stated.
Concept introduction: The general steps followed by acid-catalyzed reaction are stated below:
- First protonation of the alcohol group take place.
- Removal of protonated alcohol to form carbocation.
- Stabilization of carbocation by the nucleophilic attack of water to give the desired product.
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Chapter 8 Solutions
Organic Chemistry (9th Edition)
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- propose a mechanism for the following transformationsarrow_forwardCan you draw the mechanism for the synthesis of cyclohexene from cyclohexanol through an acid-catalyzed dehydration reaction. Where Phosphoric acid donates a proton ((H^+)) to the hydroxyl group of cyclohexanol, forming a protonated cyclohexanol intermediate. • The protonated cyclohexanol undergoes dehydration, leading to the removal of a water molecule and the formation of cyclohexene. • The released proton combines with water to form hydronium ion (H3O+), regenerating the catalyst. The mechanism should illustrate the acid-catalyzed dehydration process, where phosphoric acid facilitates the removal of water from cyclohexanol, resulting in the formation of cyclohexene.arrow_forward5. Describe an efficient synthesis of 1-methyl-1-cyclohexanol from cyclohexanol. Show the structure of the reagents, reactants and products from each step. Cyclohexanol -------> -----> 1-methyl-1-cyclohexanolarrow_forward
- Propose a possible reaction mechanism for the following transformation. Draw out the steps with the correct reaction arrows.arrow_forwardWhich of the following synthetic routes will convert 3-methyl-2-butanol into 3-methyl-1-butanol?arrow_forwardHow would you convert cyclohexanone to each of the following compounds?arrow_forward
- Starting from cyclohexanone, show how to make the two given products, include conditions to use in the reactions. CH3 CH3arrow_forwardAnswer the following questions about curcumin, a yellow pigment isolated from turmeric, a tropical perennial in the ginger family and a principal ingredient in curry powder.a.In Chapter 11, we learned that most enols, compounds that contain a hydroxy group bonded to a C=C, are unstable and tautomerize to carbonyl groups. Draw the keto form of the enol of curcumin, and explain why the enol is more stable than many other enols. b.Explain why the enol O—H proton is more acidic than an alcohol O—H proton. c. Why is curcumin colored? d.Explain why curcumin is an antioxidant.arrow_forwardFill in the reagents for the following transformations. NO2 NH2 NEN CI CNarrow_forward
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