(a)
Interpretation:
The mechanism for the given base-catalyzed aldol condensation with dehydration is to be proposed.
Concept introduction:
When a basic or acidic mixture of an aldol product is heated, dehydration of an alcohol
(b)
Interpretation:
The mechanism for the given base-catalyzed aldol condensation with dehydration is to be proposed.
Concept introduction:
When a basic or acidic mixture of an aldol product is heated, dehydration of an alcohol functional group takes place. The product formed is a conjugated
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- Wittig reactions with the following -chloroethers can be used for the synthesis of aldehydes and ketones. (a) Draw the structure of the triphenylphosphonium salt and Wittig reagent formed from each chloroether. (b) Draw the structural formula of the product formed by treating each Wittig reagent with cyclopentanone. Note that the functional group is an enol ether or, alternatively, a vinyl ether. (c) Draw the structural formula of the product formed on acid-catalyzed hydrolysis of each enol ether from part (b).arrow_forwardUsing propanal as your only source of carbon and any other reagents of your choosing, describe a concise synthesis of 3-heaxanone. H. 3-hexanone Propanalarrow_forwardBy means of a suitable reaction, show how each of the compounds can be prepared from propionic acid. More than one step may be required. a. methyl propylamine (CH3NHCH2CH2CH3)b. propionyl chloridec. ethyl propionated. propionic anhydridee. N-methyl propionamidearrow_forward
- 11. Write chemical equations for the reaction of propanamide with each reagent below. a) Dil. H2SO4/heat b) Dil. NaOH/heatarrow_forward1. Write the structure of the major organic product formed when nonanoyl chloride is each of the following reagents: A. Aqueous acid (H3O*) B. Ethanol in the presence of triethylamine C. Excess diethylamine (at least 2 equivalents) D. Sodium acetate E. Lithium aluminum hydride in diethyl ether F. (CH3CH2)2CuLi Cou onch of the following reactionsarrow_forwardPlease explain the chosen letter. When benzyl alcohol is oxidized with KMNO4, the product obtained is which of the following compound? a. Benzaldehyde b. Benzoic acid c. CO2 and H2O d. Benzophenonearrow_forward
- What will be the final product when 1-butanol is oxidized with Cro, in an acidic medium? Select one: A. butanoic acid B. butanal C. butyl chromate D. butyl butanoatearrow_forwardWhich reagent(s) can be used to convert an aldehyde to a carboxylic acid? Choose all that apply. OH O A. Sodium Borohydride O B. Jone's reagent and Tollen's reagent O C. PCC and Jone's reagent O D. Tollen's reagent O E. Grignard reagents andLithium Aluminum Hydridearrow_forwardTwo reactions occur when sodium hydroxide is added to methyl salicylate. One is immediate and one only occurs with reflux over time. What type of reaction occurs immediately and with which functional group on methyl salicylate does it react? What type of reaction occurs with reflux over time and with which functional group on methyl salicylate does it react?arrow_forward
- Phosgene (COCl2) was used as a poison gas in World War I. What product would be formed from the reaction of phosgene with each of the following reagents? a. one equivalent of methanol b. excess methanol c. excess propylamine d. excess waterarrow_forwardSelect the correct increasing order of solubility of the following compound in water. Butanol Pentanoic acid Pentanone Butanone A. Butanone < Butanol < Pentanone < Pentanoic acid B. Pentanone < Pentanoic acid < Butanone < Butanol C. Butanone < Pentanone < Butanol < Pentanoic acid D. Pentanone < Butanone < Pentanoic acid < Butanolarrow_forwardWhich of the following ketone will produce propanoic acid only after oxidation by acidified potassium dichromate? Choices are a. diethyl ketone b. dimethyl ketone c. ethyl n-propyl ketone d. ethyl methyl ketonearrow_forward
- Macroscale and Microscale Organic ExperimentsChemistryISBN:9781305577190Author:Kenneth L. Williamson, Katherine M. MastersPublisher:Brooks ColeOrganic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning