3. What product would you get from the reaction between 2,4-dimethyl benzaldehyde with propylamine in the presence of H+? Establish the reaction and propose a reaction mechanism
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3. What product would you get from the reaction between 2,4-dimethyl benzaldehyde with propylamine in the presence of H+? Establish the reaction and propose a reaction mechanism
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- One frequently used method for preparing methyl esters is by reaction of carboxylic acids with diazomethane, CH2N2. The reaction occurs in two steps: (l) protonation of diazomethane by the carboxylic acid to yield methyldiazonium ion, CH3N2+, plus a carboxylate ion; and (2) reaction of the carboxylate ion with CH3N2+. (a) Draw two resonance structures of diazomethane, and account for step 1. (b) What kind of reaction occurs in step 2?Nonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.how to synthesize 2-phenylclohexanone from cyclohexanone?
- Draw out the reaction mechanism for cyclohexanol to cyclohexanone. Sodium hypochlorite oxidation of an alcohol to a ketone with the product being cyclohexanone.Predict the products formed when cyclohexanone reacts with the following reagents. h) sodium acetylide, then mild H3O+Acetals are formed from the reaction of two alcohols with a carbonyl under acidic conditions. Acetal formation is faster with 1,2-ethanediol than with two methanol molecules. Choose the factor that explains the difference in reaction rates. A) The reaction with 1,2-ethanediol has a lower AH (enthalpy) of reaction. B) The reaction with 1,2-ethanediol has a higher AH (enthalpy) of reaction. C) The reaction with 1,2-ethanediol has a more favorable entropy of reaction.
- Draw the resonance structure of the following intermediates in the nitration of phenol: OH =How does propane synthesized from propanone? Show its mechanism.a) What substitution products would you expect to obtain from the following reaction? Br CH3CH2CHCH3 + LiI ? b) How might you prepare 1-Butanol by using nucleophilic substitution reactions?
- Show how 1-propanol can be converted into the following compounds by means of a sulfonate ester:Write a mechanism that accounts for the formation of ethyl isopropyl ether as one of the products in the following reaction. CI OEt HCI EtOH Write the mechanism for step one of this reaction. Show lone pairs and formal charges. Only the acidic hydrogen should be drawn out with a covalent bond. Write the mechanism for step two of this reaction (where the product of step one reacts with the solvent, ethanol). Show lone pairs and formal charges. Only the acidic hydrogen should be drawn out with a covalent bond. Write the mechanism for the last step of this reaction (formation of ethyl isopropyl ether). Show lone pairs and formal charges. Only the acidic hydrogen should be drawn out with a covalent bond. CI will act as the base in this reaction.Prepare the following compounds starting from benzaldehyde and the appropriate ketone. Provide reactions for preparing the ketones starting from aromatic hydrocarbon compounds.