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- Complete the missing components of the products in the acid hydrolysis of methyl butanoate below. For the first product fill in the remaining part of the acid formula, and for the second fill in the remaining part of the alcohol formula. Metylbutanoate+H2O--H+-COOH+COOHThe substance provided can be prepared by a nucleophilic addition reaction between an aldehydeor ketone and nucleophile. Identify the reactants from which it was prepared. If the substance is an acetal, identify the carbonyl compound and the alcohol; if it is an imine or enamine, identify the carbonyl compound and the amine.When a molecule has two esters, it can react via an intramolecular Claisen condensation. This is called a Dieckmann condensation. what would be the products of the following reaction (hint: what is going to happen to the protecting group in dilute aqueous acid?).
- Aldehydes and ketones react with one molecule of an alcohol to form compounds called hemiacetals, in which there is one hydroxyl group and one ether-like group. Reaction of a hemiacetal with a second molecule of alcohol gives an acetal and a molecule of water. We study this reaction in Chapter 16. Draw structural formulas for the hemiacetal and acetal formed from these reagents. The stoichiometry of each reaction is given in the problem.Which of the following compounds precipitates during a positive test for SN1 reactivity of an alkyl halide? A positive test does not give a precipitate. alcohol complexed to Ag AgBr or AgCl Ag (H₂O) elemental mercury elemental silver alkyl nitratesHydration of aldehydes and ketones can be catalyzed by acid or base. Bases catalyze hydration by: protonating the carbonyl oxygen making the carbonyl group more electrophilic employing hydroxide ion, which is a better nucleophile than water making the carbonyl group less electrophilic shifting the equilibrium position of the reaction to favor products
- 2. What is the product of the following reaction? کہا NaOH, H₂O AReaction with 2,4-dinitrophenylhydrazine; Write whether the following aldehydes and ketones are positive or negative with 2,4-dinitrophenylhydrazine. Benzaldehyde Methyl ethyl ketone (Unknown) AcetophenoneH NH₂ ཡིནྣཾ ༥ ཨ ཨནྡྷ༥ ༠ ཨི་ཝཱ, ཙ ཨ་ར༩ H NH3+ the acidity of the amine ion drives the reaction to shift toward the conjugate base of the carboxylic acid product. the resulting carboxylic acid ion is a weaker base than an acetate ion. O aldehydes are more reactive toward nucleophiles than ketones. Onucleophilic attack occurs preferentially at the less hindered carbon of the formyl group.
- When propene reacts with gaseous hydrogen bromide, HBr, two products, 1-bromopropane and 2-bromopropane are formed. The reaction is a two-step process in which the electrophilic attack occurs in the first step. Identify the electrophile in this reaction Draw a diagram showing the first step of the reaction that leads to the production of 2-bromopropane.Predict the products formed when cyclohexanone reacts with the following reagents.ethylene glycol and p-toluenesulfonic acidWhat is the structure of the compound formed when 5-nitro-2-furaldehyde reacts with 4-cyanophenyl hydrazine hydrochloride?