The compound shown below is the product of a Claisen condensation or a Dieckmann condensation. Draw structural formulas for the ester and enolate ion reactants. Remember that a Dieckmann condensation is intramolecular and therefore the enolate ion and the ester are part of the same reactant.
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- What explains why many aldehydes and ketones can undergo self-condensation reactions in basic conditions? The alpha carbon can lose a proton and act like a nucleophile and the carbonyl carbon is an electrophile. The alpha carbon can gain a proton and act like an electrophile and the carbonyl carbon is a nucleophile. The oxygen of the carbonyl group can attack the carbon of the carbonyl group. Only esters can undergo self-condensation reactions.The compound shown below is the product of a Claisen condensation or a Dieckmann condensation. Draw structural formulas for the ester and enolate ion reactants. Remember that a Dieckmann condensation is intramolecular and therefore the enolate ion and the ester are part of the same reactant. • Draw the enolate ion in its carbanion form. • Assume all esters to be used are ethyl esters. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple reactants using the + sign from the drop-down menu. • 0▾The compound shown below is the product of a Claisen condensation or a Dieckmann condensation. Draw structural formulas for the ester and enolate ion reactants. Remember that a Dieckmann condensation is intramolecular and therefore the enolate ion and the ester are part of the same reactant. L Draw the enolate ion in its carbanion form. Assume all esters to be used are ethyl esters. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. ⚫ Separate multiple reactants using the + sign from the drop-down menu. + n ? ChemDoodle да
- An esterification and a claisen condensation are the reverse of each other. Write a single equilibrium reaction that is appropriate for both reactions and discuss the experimental conditions that can drive this equilibrium toward one side or the other of this reaction. The reactions are: Esterification Reaction: acetic acid is reacted with methanol and sulfuric acid catalyst under heated conditions to produce methyl acetate. Claisen Condensation: methyl acetate is reacted with water and sulfuric acid catalyst under heated conditions to produce acetic acidThe compound shown below is the product of a Claisen condensation. Draw structural formulas for the reactants: ester and enolate iondescribe how steric and electronic effects influence the postion of equilibrium when the electrophilic center of an aldehyde or ketone is under nucleophilic attack.
- Write the reactions and reactants benzoic acid chloride to benzoic anhydride benzoic anhydride to ethyl benzamide Write the reaction mechanism for the second reactionThe compound shown below is the product of a Claisen condensation. Draw structural formulas for the reactants: ester and enolate ion. HWhen separating the two products (benzoic acid and benzyl alcohol) in the Cannizzaro reaction, you extract them between NAOH and diethyl ether. What is the compound in the aqueous layer? The sodium salt of benzoic acid Benzoic acid Benzyl alcohol O The sodium salt of benzyl alcohol
- The trityl cation intermediate is a highly stable species due to the resonance stabilization provided by the phenyl rings. Please draw these resonance structures.Define the mechanism for the reaction between an ester and a grignard reagent ?From the table of reagents, select the reagents and conditions necessary to carry out the following reaction.