4) We discussed in class how acetals are formed from a ketone andtwo equivalents of an alcohol, using an acid catalyst. Alternatively,would a strong base also catalyze (i.e. accelerate) the formation ofan acetal? Explain why or why not, in the context of the reactionmechanism and potential intermediates.Naome, MeoHาาาา←meo ome+ Hzo

Step 1: In basic medium, it is not possible to form an acetal. Base abstracts acidic proton from the…

Answered: 4) We discussed in class how acetals…

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter22: Carbonyl Alpha-substitution Reactions

Section22.SE: Something Extra

Problem 26MP: Nonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium...

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4. Synthesize the following compound. You may use benzene, acetylene, ethanol and any inorganic reagents. O₂N
Nonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.
b) Synthesize the following product starting with phenol (hydroxybenzene). NO₂ OH HO. phenol
Acetal derivatives of aldehydes and ketones are prepared by an acid-catalyzed dehydration reaction with alcohols or diols. Using more pictures than words, draw a reaction and a mechanism that shows the formation of acetal.
Can you prepare diisopropyl ether as the major product by heating 2-propanol in the presence of sulfuric acid? O Yes, because these conditions promote the substitution reactions. O Yes, because these conditions are highly favorable for O No, because secondary and tertiary alcohols undergo elimination reactions in these conditions. O No, because secondary and tertiary alcohols do not react in the presence of sulfuric acid.
Draw the principal organic product for the reaction of 2-bromohexane with lithium in diethyl ether, followed by formaldehyde in diethyl ether, and then followed by dilute acid. Click and drag to start drawing a structure. X A G P
To propose an intermediate and mechanism for the transformations
4) Propose a synthetic pathway to prepare 2-methyl-propan-2-ol from propane. You're allowed to use any reagents you like but all the carbon atoms in your product should come from the propane. он It must be propanone otherwise the conversion would be too long.
OH H₂SO4 HỌC–CH2–CH2CH3 H,C=CH—CH,—CH3 + H₂O Acid-catalyzed dehydration of 1-butanol yields 1-butene as the major product. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. Arrow-pushing Instructions H2C=CH=CH2CH3 NOC XT + OH₂ HỌC–CH—CH, CH3 I H H-O-H
Draw the overall reaction of 1-butanol with HBr and H2SO4 to form 1-bromobutane.
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.
a) Write the mechanism and predict the product for the following reaction, including stereochemistry. CH;CH2OD is ethanol that is has deuterium in place of hydrogen on the hydroxy group. NaBH4 CH;CH2OD b) Show how you would use a Grignard reagent to convert the following ketone into the alcohol. This reaction requires two steps. но

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