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- Use the drop-down features to describe the mechanism of the given reaction. OH two Your answer is partially correct. one The first step of the mechanism is V curved arrow(s). The second step of the mechanism is curved arrow(s). The third step of the mechanism is protonation three M curved arrow(s). Hint H3O* Save for Later HO nucleophilic attack + ring opening ✔ deprotonation . This step requires . This step requires . This step requires Attempts: 1 of 2 used Submit Answer Fill in the Quest Multiste Ques Fill in t Ques Fill in Que Multi Que Multi Que Mult Qu Mul Sele MuDuring electrophilic aromatic substitution, a resonance-stabilized cation intermediate is formed, Groups, already present on the benzene ring, that direct ortho/para further stabilize this intermediate by participating in the resonance delocalization of the positive charge. resonance Assume that the following group is present on a benzene ring at position 1 and that you are brominating the ring at positon 4. In the box below draw the structure of the rese contributor that shows this group actively participating in the charge delocalization. H₂C • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. . Do not include lone pairs in your answer. They will not be considered in the grading.Mechanism. Provide the complete mechanism for the reaction below. You must include appropriate arrows, intermediates, and formal charges. OH HO, H2SO4 (cat.) reflux
- 26. Using the space below, provide the major product and a complete, step-wise mechanism for the following reaction using curved arrow formalism. Show all intermediates, (including any and all proton transfers) however it is not necessary to provide all resonance structures. Be sure to indicate where the labeled (¹80) oxygen is located throughout the mechanism and in the product or products. (The enrichment of the labeled oxygen as isotopically pure 180 does not affect the mechanism in any way other than that it allows identification of where the final position of that oxygen is). OH catalytic H₂SO4 18 OH5) We discussed how oxygen nucleophiles can attack the carbonyl of a ketone or aldehyde, but those are not the only nucleophiles that do so! Consider the reaction below. The product of the reaction is analyzed using IR spectroscopy and there is no carbonyl signal in the IR spectrum. O HCI a) Propose a structure for the product of the reaction in the space above. b) Provide a curved arrow mechanism for the transformation.Predict the major product of the given reaction and then draw a reasonable mechanism for the product formation using appropriate curved arrow notation. Part 1: OH H2SO4 (aq) view structure Part 2 out of 4 H,0 H,SO4 HSO, HO finish structure . draw structure . H;O*
- I. Propose a mechanism reaction for the reaction below. 2. Identify the major and the minor products.Give a complete mechanism and predict the major product for the following reaction. Please include the generation of an electrophile, all intermediates, rearrangements, appropriate curved arrows, lone pairs/electrons, formal charges, and resonance forms as needed. ThanksThe reactions shown below are substitution reactions. Please state which mechanism they follow, and draw the mechanism of the reaction using mechanistic arrows
- 7. Draw the complete mechanism for the following transformation. Include arrows, formal charges, lone pairs, and resonance structures where applicable. H₂CN НО H₂O H₂C NH₂Propose a plausible mechanism using curved arrows that shows the 10. formation of product A only. Make sure to include all resonance contributors of the sigma complex and circle the most stable one. Lastpredict the second product of this reaction. OH OMe OMe H,SO, (A) (B)please complete the mechanism of the following synthesis! include reagents, steps, and reactions!