Give a mechanism for the preparation of the appropriate benzalacetophenone using the aldehyde [p-anisaldehyde (liquid) was used] that you selected in this experiment. Aldol Condensation RXN.
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1. Give a mechanism for the preparation of the appropriate benzalacetophenone using the
Aldol Condensation RXN.
Step by step
Solved in 2 steps with 1 images
- Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below. ОН You do not have to consider stereochemistry. • Draw the enolate nucleophile in its carbanion form. • 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.In a mixed aldol condensation with unknown aldehydes and ketones experiment, some aldol condensation reactions need to be heated for the dehydration step to occur. Explain why that was not necessary for the reactions carried out in this experiment? [Hint: what makes the product especially stable?]. This experiment used ethanol, acetic acid, sodium hydroxide, cyclohexanone and 4- methoxybenzaldehyde.Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below. OH H You do not have to consider stereochemistry. • Draw the enolate nucleophile in its carbanion form. 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. ? ChemDoodle Sn [F
- 4. Provide the structure of the intramolecular aldol condensation/dehydration product that results when 2,6-heptanedione is heated in base.3. For the equilibrium shown below, is the Keq greater or less than 1? OH CH3 C CH₂ 0 || CH3 CCH3Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol or enone below. HO OH محمد OH OH . You do not have to consider stereochemistry. • Draw the enolate ion in its carbanion form. • 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. . 百 → ▾ [F ChemDoodleⓇ Sa
- Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below. OH f O • You do not have to consider stereochemistry. • Draw the enolate nucleophile in its carbanion form. • 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. ● + ChemDoodle O. #[ ] در ↑Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the enone below. TH • You do not have to consider stereochemistry. • Draw the enolate ion in its carbanion form. • 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. C opy ate OF ChemDoodle3. Show two different ways you would make 1-phenyl-1-butanol via a Grignard reagent, beginning each time with any alkyl or aromatic halide and any other organic or inorganic reagents.
- [Synthesis of benzoic acid] 1. What is the purpose of placing the mixture in a hot bath? 2. How is benzoate carboxylate salt converted to benzoic acid? 3. What will you do if you observe three layers in your liquid/liquid extraction? 4. In the second extraction, what is the purpose of adding NaOH? What product is formed? 5. After the second extraction, in which layer can you find the desired product? Explain. 6. What is the purpose of adding HCl in the final extract? 7. What qualitative test is performed to monitor the precipitate formation of benzoic acid?Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below. OH سعيد Draw the carbanion resonance structure for the enolate without a cation. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate structures with + signs from the drop-down menu.1. A. Use curved arrows to illustrate the movement of electrons and any intermediates associated with the mononitration of resorcinol by nitric acid. Are the OH groups activating or deactivating? B. Draw the expected predominant Friedel-Crafts alkylation product resulting from reaction of tert-butyl bromide with meta-xylene, in the presence of AIBR3 (reactants shown below) CH3 CH3 CH3 H3C CH3 Br + -> C. Use curved arrows to illustrate the movement of electrons and any intermediates associated with the reaction between xylene and tert-butyl bromide С.