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- NoneWhich of the following is the best method to carry out the following transformation? OH (a) H₂SO4, H₂O (b) 1. BH3 2. H₂O2, OH (c) 1. Hg(OAc)₂2 H₂O 2. NaBH. (d) 1. HBr 2. H₂O8:16 NOO ← Question 11 of 27 ||| Choose the reagent(s) that would be most likely to complete this reaction. I ■ I I I I ■ ■ ■ RCO3H > O Submit HEE | 34% I I ■ I I I I I I I ОН r
- но CH3CO₂Et LDA, -78 °C NaOEt EtOH in addition to the mechanism predict which product is favored41. What is the major organic product of this reaction sequence? NH₂ 3 O NH₂ HN (D) I H3C CI II (B) (D) CH3CH₂CH₂CI AICI 3 HN 42. Why is reaction I faster than reaction II? H3C. Br₂ Lor HN FeBr3 Br₂ FeBr3 (A) Reaction I gives the more stable product. (B) The aromatic ring is more electron rich in reaction I. (C) The chloro group in reaction II stabilizes the arenium ion through induction. The methyl group in reaction I stabilizes the arenium ion intermediate through resonance.4. Propose a mechanism for the following reaction: Conc. H₂SO4 HO