Question

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Determine the correct order of steps that will occur for the possible reaction shown below. To enter your answer use the numbers that are adjacent to the correct descriptions in the correct order. For example, if you felt that 1, followed by 2 and then 3 reflects the correct ordering of reaction steps, then you would enter: 1, 2, 3 for your answer. Do so even if the reaction sequence includes two distinct steps (with two different conditions/reagents). In other words, the sequence of numbers that you enter should seamlessly cover both steps. Recall that SN2 implies a concerted nucleophilic (Nu) attack and loss of leaving group (L), whereas a nucleophilic (Nu) attack can happen in the absence of the concerted loss of a leaving group (L). Similarly, E2 implies a concerted proton transfer (p.t.) and loss of a leaving group (L), but each of these steps can happen individually in non-E2 mechanistic steps. Also, hydride transfer is distinct from hydride shift because the former happens intermolecularly and the latter happens intramolecularly NaOH, H20 1. hydride (H:) transfer 2. loss of leaving group (L) 3. proton transfer (p.t.) 4. SN2 5. nucleophilic (Nu) attack 9. E1 6.tautomerization 10. hydride shift 7. four-center, four-electron (4e) 11. E2 8. no reaction (N.R.) 12. SNİ Determine the correct order of steps that will occur for the possible reaction shown below. To enter your answer use the numbers that are adjacent to the correct descriptions in the correct order. For example, if you felt that 1, followed by 2 and then 3 reflects the correct ordering of reaction steps, then you would enter: 1, 2, 3 for your answer. Do so even if the reaction sequence includes two distinct steps (with two different conditions/reagents). In other words, the sequence of numbers that you enter should seamlessly cover both steps. Recall that SN2 implies a concerted nucleophilic (Nu) attack and loss of leaving group (L), whereas a nucleophilic (Nu) attack can happen in the absence of the concerted loss of a leaving group (L). Similarly, E2 implies a concerted proton transfer (p.t.) and loss of a leaving group (L), but each of these steps can happen individually in non-E2 mechanistic steps. Also, hydride transfer is distinct from hydride shift because the former happens intermolecularly and the latter happens intramolecularly. NH3/NH4 1. hydride (H:7) transfer 2. loss of leaving group (L) 3. proton transfer (p.t.) 4. SN2 5. nucleophilic (Nu) attack 9. E1 6. tautomerization 10. hydride shift 7. four-center, four-electron (4e) 11. E2 8. no reaction (N.R.) 12. SNİ Determine the correct order of steps that will occur for the possible reaction shown below. To enter your answer use the numbers that are adjacent to the correct descriptions in the correct order. For example, if you felt that 1, followed by 2 and then 3 reflects the correct ordering of reaction steps, then you would enter: 1, 2, 3 for your answer. Do so even if the reaction sequence includes two distinct steps (with two different conditions/reagents). In other words, the sequence of numbers that you enter should seamlessly cover both steps. Recall that SN2 implies a concerted nucleophilic (Nu) attack and loss of leaving group (L), whereas a nucleophilic (Nu) attack can happen in the absence of the concerted loss of a leaving group (L). Similarly, E2 implies a concerted proton transfer (p.t.) and loss of a leaving group (L), but each of these steps can happen individually in non-E2 mechanistic steps. Also, hydride transfer is distinct from hydride shift because the former happens intermolecularly and the latter happens intramolecularly SOCI2, pyridine он 1. hydride (H:7) transfer 2. loss of leaving group (L) 3. proton transfer (p.t.) 4. SN2 5. nucleophilic (Nu) attack 9. E1 6. tautomerization 10. hydride shift 7. four-center, four-electron (4e) 11. E2 8. no reaction (N.R.) 12. SN1

Answer 1

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