Problem 27. Route A and give the same target product, but in this case route A is preferable, even if it is one step lon

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Problem 27 Route A And Give The Same Target Product But In This Case Route A Is Preferable Even If It Is One Step Lon 1 (39.85 KiB) Viewed 48 times

Problem 27. Route A and give the same target product, but in this case route A is preferable, even if it is one step longer why? AICI Route NHANH, HC KOH os ay AICI, нс Route Hoc (a) Because the acyl chloride gives better yields (b) Because it is one step longer but the rate of the first step is faster (c) Because route B would give the meta product, not the para product indicated id) Because it avoids rearrangement of the isobutyl cation Problem 28. What are the steps needed to carry out the following reaction? CH CH NH CH NH2 ?? 1. HNO, H.S04 2 KCN 3. LAIH 1. HNO H 50 2. NaN 3. LATE 1. NaNO2, H2O* 0°C 2. NaN 3. LIAIHE 1. NaNO.H,0* 0°C 2 KCN heat 3. LIAIHA (a) (b) (c) (d) Problem 29. Which of the following functional group interconversions will NOT require the use of protecting groups? a) Llocts b) CH OH O 0 Он о c) CHE -CH₂ OH OH d) Br MgBr 10 122