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- Provide the mechanism for the following reaction (1) PhMgBr (2 equiv) (2) H3O+ workup OH4. Predict the major product of the following reactions. NBS (a) 0°C Na,Cr,07 H,SO, H,0 (b) он H,SO4 CH,OH (d) heat BrConsider the reaction scheme below. (i) H3COCHN CO₂Et A H₂N OH EtO OEt B C6H₁1 NO2 base Ha Identify the reagent(s) and conditions A and the intermediate B in this reaction scheme.
- Which set of reagents would effect the conversion, OH (а) ВH3:THF, then H2O2/HO- (b) Hg(OAc)2, THF-H2O, then NaBH4/HO¯ (c) H3O+, H2O (d) More than one of these (e) None of these8-8 Identify the major product(s) of the following reactions. Include stereochemistry. (a) (b) (c) Br NaOEt NaOEt NaOEtPredict the major product of the following reaction. (CH3)3C-OOH LOH TI[OCH(CH3)214 (-)-DET Dom -OH 11 OH Io ||| Ø OH IV
- 3. Draw the product for the following reactions. PBr, (a) HO (b) HCN (c) он H,0° (d) NO2 Zn H,O* (e) 1) LIAIH, 2) Н,О" +6. Which of the following will not give Hoffmann bromamide reaction ? (а) CH3 - С-NH2 (Ъ) Ph — С-NH, || (с) CН3 - С-NH - Br (d) Ph – C– NH – Ph6. Complete reaction scheme below indicating reagents, catalysts and conditions, and side product trigil bezinslog si6101fon 290b 1l (b Senines levirba 6 gaubong nasamots gniwollot ads to doinW 01 sniowl (6 CH3 40 CH3 Scansgowi (d Ege nodie) ( nsgyxo (b NO₂ 19m02 2i gniwollet sits to mainW II HO
- 2. Predict the products for each of the following reactions: + H₂ Q + H₂O →→→→ (OH) H₂O →16). What is the major product of the following reaction? N ZH ZH (A) Br Br 1 eqiv. Br₂ N (B) Br ? (C) XO Br 'N Br (D) Br, (E) BrWhat is the major product of the reaction sequence below? он (B) (A) (1) Na CECH/THF Br (2) H-B< (C) (D) OH (3) H,0, NaOHH,0 Compound B Compound D Compound C Compound A