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How to synthesize 1-iodo-2-methylcyclopentane to 1-methylcyclopentanol? Show mechanisms
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- Nonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.Propose a mechanism for the reaction of(a) 1-methylcyclohexanol with HBr to form 1-bromo-1-methylcyclohexane.(b) 2-cyclohexylethanol with HBr to form 1-bromo-2-cyclohexylethane.How to synthesize trans-2-methylcyclohexanol from cyclohexanone?
- Acid-catalyzed dehydration of 3-methyl-2-butanol gives three alkenes: 2-methyl-2- butene, 3-methyl-1-butene, and 2-methyl-1-butene. Propose a mechanism to account for the formation of each producthow can we synthesize 2-hydrobenzeneacetaldehyde? Please provide mechanisms and explanations on chosen reagents.Treatment of trans-2-chlorocyclohexanol with NaOH yields 1, 2-epoxy-cyclohexane, but reaction of the cis isomer under the same conditions yields cyclohexanone. Propose mechanisms for both reactions, and explain why the different results are obtained.
- Pure (S)-2-bromo-2-fluorobutane reacts with methoxide ion in methanol to give a mixture of (S)-2-fluoro-2-methoxybutane and three fluoroalkenes.(a) Use mechanisms to show which three fluoroalkenes are formed.(b) Propose a mechanism to show how (S)-2-bromo-2-fluorobutane reacts to give (S)-2-fluoro-2-methoxybutane. Has thisreaction gone with retention or inversion of configuration?Treatment of 2-bromo-2-methylbutane with KOH in ethanol yields a mixture of two Alkenes products. What are their likely structures? Show its mechanism.Alkylation of benzene with 1-chlorobutane in the presence of AlCl3 gave not only the expected butylbenzene product but also, as a major product, (1-methylpropyl)benzene. Write an equation for the reaction Propose a mechanism to account for the formation of butylbenzene Propose a mechanism to account for the formation of (1-methylpropyl)benzene
- Describe how 1-ethylcyclohexanol can be prepared from cyclohexane. You can use any inorganic reagents, any solvents, and any organic reagents as long as they contain no more than two carbons.Choose reagents to convert 2-cyclohexenone to the following compounds.Acid-catalyzed dehydration of 3-methyl-2-pentanol gives three alkenes: 3-methyl-1-pentene, 3-methyl-2-pentene, and 3-methylenepentane. Draw the structure of the carbocation intermediate leading to the formation of 3-methyl-2-pentene.