77°F Mostly cloudy Select the major product for the following reaction. A) HBr (1 equivalent) 0°C ✓ Br B) Br J C) D) Br Search F2 F3 F4 K DELL F5 F6 #m SA

3. Identify the products (A-G) of each reaction sequence shown below OH 1) HCI 2) KCN E Br NaOCH 3, CH3OH 1) PCC 2) CH3MgCl 3) H3O+ 4) CrO3, H₂SO4, H₂O 1) LDA, THF, -78 °C 2) CH31 A (C7H12O) C (C4H8O) F (C5H₂N) 1) Br₂, H* (cat.) 2) Li₂CO3, LiBr, DMF 1) LDA, THF, -78 °C 2) CH3CH₂CI 1) LDA, THF, -78 °C 2) CH3CH₂Br ¹H NMR: 6 6.7 (t, 1H); 2.4 (t, 2H); 2.3 (q, 2H);| 2.1 (s, 3H); 1.9 (quint., 2H) 13C NMR: 8 198; 144; 142; 36; 33; 27; 23. D B ¹H NMR: 8 2.5 (q, 2H); 2.4 (t, 2H); 1.6 (sextet, 2H); 1.1 (t, 3H); 0.90 (t, 3H) 13C NMR: 8 210; 45; 36; 18; 14; 8. G (C7H13N)

10:08 AM Thu Mar 23 Problem 33 of 23 Br2 (1 equiv) Draw the product of the reaction shown below. Ignore inorganic byproducts. FeBr3 ☎ @ : 66% Select to Draw Submit

For the reaction below: H₂SO₂ olddoo the minis III Figure 1 11 IV 14. What is the predicted major product (figure 1) with no rearrangement? A) I B) II C) III D) IV E) V

6) What is the product of the reaction below? H3C O CH3C-OH A + CH3 CH3CH₂-OH H3C B H₂SO4 heat CH3 H3C C CH3 H3C D OH

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Which one(s) is(are) possible product(s) for the shown reaction? OH H₂C-C-H U 0 A B 0 C D E Na₂Cr₂O7 H₂SO4 A OH H₂C-C-CH3 B O H₂C-C-H с D E H₂C-C-CH₂ H₂C-C-OH No reaction