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- 6. Provide the structure for the major product in the following reactions. b. P f. OH g. Lia * Oia ملی CI 1. SOCI₂, pyr. 2. to Br 2 1. LIAIH4 (xs) 2. H₂O 1. LIAI(OR) 3H 2. H₂O 2. NH₂ Et₂CuLi 1. EtMgBr (xs) 2. H₂O 1. Mg 2. CO₂ 3. H* 4. SOCI₂, pyr 1. [H], NaBH3CN, EtNH₂ CI pyridine1.a. Give the product(s) of the reaction below. …...... D H₂, Pd/C Show stereochemistry. Give product(s) for this reaction. No mechanism is necessary. 1.b. Are there multiple products in 1.a.? Are there major and minor product(s)? Explain.4. Provide the missing reagent(s) and major product(s) for the following reactions. a. a.ii. b. НО. A + B a.i. H₂SO4 (conc.), A pyridine a.iii. HO a.iv. CI OH A B
- 28. It is best to carry out the conversion of CH3B to CH3-S-CH3 with the use of the reaction sequence: i) NaSH ii) 12 А. i) NaSH i) NaOH C. iii) CH3Br iv) H2O2 В. i) NASH i) KMNO4 i) NaSH i) NaOH i) CH3Br iv) CH3CO3H D. `Br NaH 29. In the reaction shown above, part of the product shown on the right came from: А. В. C. D. None of these 30. The transformation of 1-bromopropane to 1-butanol may be carried out by which of the reaction sequence? i) Mg i) HCHO ii) H3o* ) Mg i) HC(OC2Hs)s ii) H3O* iv) LIAIH, v) H3O* А. с. i) Mg i) CO2 ii) H30° iv) NABH4 v) H3o* В. D. None of these1. Give the major product(s) of the following reactions as needed. Include any stereoisomers. NaOEt 1. Br NaOH Br 2. NaOtBu 3. A MEOH 4. Br 2. Which reaction will proceed faster A or B? H,S H2S "CI .... в3 Complete the following table, filling in the missing major product(s), reagents/conditions, starting material and/or name of the reaction as shown in the example. Starting Materials Ex. b. C. d. dj f. 09 ỌCH3 CH3 CH3 NO₂ Reagents H₂O H* (cat.) C1₂ AICI3 HNO3 H₂SO4 SO3 H₂SO4 Br₂ FeBr3 AICI3 Major Product(s) O= OH
- Which alkene cannot be converted into an alkyl bromide with HBr, ROOR, hv, A? III IV A. B. C. D. E. All react Which synthetic route is best to give the major product shown below. ? x XA OH A. 1. BH3; 2. H₂O2, NaOH; 3. HBr; 4. CH3CO₂H B. 1. Br₂, 2. NaCCH; H₂, Lindlar's; 3. O3; 4. H₂O C. 1. NBS, hv, A; 2. H₂, Pd; 3. NaO₂CCH3 D. 1. NBS, hv, A; 2. NaCCH; 3. H₂2, Pd; 4. O3; 5. H₂O E. 1. NBS, hv, A; 2. H₂, Pd; 3. NaCCH; 4. 03; 5. H₂O Which synthetic route is best for the transformation shown below? OH ? OH A. 1. H₂SO4/heat; 2. HgOAC2, H₂O; 3. NaBH4 B. 1. HBr; 2. NaOH, DMSO C. 1. TsCl, pyr; 2. NaOH, DMSO D. 1. TsCl, pyr; 2. KOtBu; 3. BH3-THF; 4. H₂O2, NaOH E. 1. H₂SO4/heat; 2. BH3-THF; 3. H₂O2, NaOH =BItems 49-51: Given the following reaction: CH3 H. CH3 49. What is the product of the reaction? A. В. C. D. 50. Which MO will be involved in this electrocyclic reaction? 888888 888888 888888 A. B. C. 51. The reaction will go through: A. a conrotatory motion B. a disrotatory motion C. none of theseComplete the following reactions by providing any missing components. Provide all products formed and label as major/ minor when necessary. a. b. c. majc whe 1. Complete the following reactions by providing any missing components. Provide all products formed and label as major/minor when necessary. a. b. HNO3 H₂SO excess K2Cr2O7 OH H2SO4 Цон H₂SO H Tollen's Reagent ortho product H₂ Pd-C CH3OH H2SO4
- 6.) Fill in the major final product(s) for each reaction scheme below. 1. TsCl, pyridine 2. NaBr, DMF 3. NaCN, DMSO OH Br HOM NaOH H₂O, A 1. H₂SO4, A 2. H₂, Pd-C 1. Br₂ 2. XS NaNH, 3. H₂O 4. XS HBrWhat products would be generated for the hydrogenation reaction shown below? H2, Pt ? i. ii. ii. iv. V. O i., ii. only v. only O i., iii. only O ii, iv. only O i., ii., ii., iv. onlya.) b.) LOCH 3 CHO Determine and draw the product of the following reactions. HNO3 / H₂SO4 HNO3 / H₂SO4 c.) ОНС d.) CH3 OCH3 CH3 OCH3 HNO3 / H₂SO4 HNO3/H₂SO4