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- 7. Reaction Scheme. NH₂ NH2 or two differnet methods (no same steps/reagents) C5H12N2 1. xs Mel, xs K2CO3 2. Ag2O, H₂O 3. heat Br2, xs NaOH, xs H₂O OHC 1.03 2. DMS CHOQ2. Classify the following reactions to: 1. Wagner- Meerwein rearrangement 2. Pinacolic Rearrangement 3. Beckmann Rearrangement 4. Baeyer-Villiger Rearrangement 5. Wolff Rearrangement H,SO4 1. OH OH Ag(I) 2. NO NO OH H,SO4 NH 3. OH H;C, H,SO, + H,O H 4. H;C CH, CH3 HO H,SO4 5. OH OH NH,OH H,SO4 NH 6. A8:16 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
- 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 these9. What is the major organic product generated in the reaction sequence below? CI ďa (A) (B) -CI Br 1. K OtBu 2. Cl₂ (C) O ICI ㅎ........ (D)10. Which of the following alkyl bromides reacts the slowest with NaSCH3 in DMF? (a) Br (b) Br (c) Br d Br tenuibud
- 7. Predict the product for each reaction shown below. (а) AIC13 .CI (b) AICI3 .CI (c) AICI3Which is the MAJOR product of the following reaction? Et 1) BH3:THF 2) H2O2, NaOH Which of the following best describes a key step in the mechanism for the reaction below? HO ... CH3 -CH3 dihydroxylation + en H3C- H3C- HO. electrophilic addition reaction to form a carbocation intermediate B nucleophilic attack by an alkene to form a cyclic (epoxide) intermediate elimination reaction by abstraction of a beta-hydrogen D free-radical substitution at the carbonyl carbon Which alkene will produce the HIGHEST yield of the alkyl halide below? Br. alkene HBr |Provide all products AND mechanisms for the following reactions (no transition states or energy diagrams required). Remember that substitution and elimination can compete in the right circumstances. A. CH3O DMSO Cl B. I HO DMF
- Which set of conditions for the reaction given below would provide the largest amounts of substitution products? Conditions? substitution products NACN in DME NAOH in Water O NACN in MeOH NaF in DMF1. Write the correck IUPAC nemes Far the Foilawing organic comPounds: Br CH3 H3C 8. Assign E an or Z configuration bi CI 2. CidssiFy the Following reagents cs either nucleaphiles or e lectraph:les: Zn, CH3NH2, HS, OHa, CH3COOH, HoSO 3. Whet are the products obtained From the addition of HBr to each of the falbuing compounds? CH3 a) + HBr > CHo +HBr- 2.6). What is the major product of the following reactions? (A) -? coon 1). NaOH in ErOH, then H,O+ 2). 1 eqiv. NaOEt 3). 1 equiv. CH3Br 4). H₂O*, Heat COOB (Intramolecular Claison) COOE (B) CH₂ COOH (D) CH₂ (E) CH3 CH₂