Show mechanism and product for each of the following. In any aldol reactions, be sure to show any possible E1cb reaction; in any decarboxylations, be sure to show the correct orientation. 2 人 NaOH CHO H₂O
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- Show how you would synthesize the target compound ne right from the starting compound on the left. Show reagents and conditions, and the structures of important intermediate compounds. Do not show any (arrow pushing) mechanism. Ignore stereochemistry in this question.DoShow all the processes in the mechanism of the reaction.
- 4. Tertiary amines undergo reversible conjugate additions to a,ß-unsaturated carbonyls. The reaction shown below uses this phenomenon followed by an aldol-like process to obtain the given product. Show a detailed mechanism for this reaction. The structure of one of the intermediates is shown below to assist in drawing the mechanism ОН О Ph + Ph H. H2O/E1OH ОН О intermediate: Phi `NMe3show all steps and use the arrows correctly. Propose a mechanism that explains the product for the following reaction. Be sure to ILO H₂SO, OH XoProvide reasonable mechanism for each step in the following reaction. First step is keto-Enol. Second step is acid catalyzed aldol reaction.
- 4) Show a detailed mechanism for the following transformation. OH OH OH HO HO -H OH CH₂OH HCI HO HO. OH -H OHI SOCH 3 HO -OCH 3 OHI HPlease draw all structures (show the CO2Et structure) and label it clearly. Thank you!Predict the major product of the reactions shown below. Do not forget to take into account regioselectivity and stereoselectivity of each reaction. If the reaction is an Aldol reaction, draw the condensation product. If thequestion has Retrosynthetic arrows, draw the one or two starting materials.
- Draw the structure of the major aldol product (prior to possible dehydration) of the following reaction. O ⇐ H dilute NaOH 95% aq. ethanol, 0-5° • You do not have to consider stereochemistry. •If no reaction occurs, draw the organic starting material. + HO CH3 On t ?When the ketone and aldehyde shown below are treated with a base two possible products are formed. Discuss how each product is formed and provide a mechanism.5) Show a reasonable synthesis for the following reaction. The reaction can be completed in 3 steps. Draw a reasonable (and complete) mechanism for the first transformation and the last transformation. Name the type of reactions for each step. HO OH OH CHO