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Can you please help with part d. Thank you!
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- Complete the synthetic sequence below by providing the structures of the reaction (questions 7-8). 1 mole of HOCH,CH,OH/H > B 1. LIAIH, 1.03 H* 2. Zn/H 2. Н.О. What is the structure of B? HO. (A) (D) OH(b) Predict the suitable solvent (H2O or CH3COCH3) to increase the reaction of bromopropane (CH3CH2CH2B1) with sodium hydroxide (NaOH). Two reactions are shown below: NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH + NaBr H,O (i) NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH NaBr H,C CH (ii)Practice q # 8 8. The following reactions will not proceed as shown. Explain why by showing the reaction that would occur instead. a) b) Br HO H 1) Mg, dry ether 2) (CH3)2CO 3) NH4CI, H₂O 1. NaH (1equivalent) 2. Mel HO H لم HO
- Which of the following reactions can be used to prepare 3-methyl-3-hexanol? Note: n-Pr stands for normal propyl (-CH2CH2CH3). (A) 1. MeMgBr, THF 2. H3O+ (B) 1. EtMgBr, THF 2. H30+ (C) 1. n-PrMgBr, THF 2. H30+ A and B O A, B, CPredict the product of the following reaction. Be sure to include all electron lone pairs and formal charges. :0: :ד: F: H₂O H2SO4, acetic acid refluxPredict the product for the following reaction. Он он excess K,Cr,0,H,SO,H;0
- 4-44 Draw the important resonance forms of the following free radicals. (a) CH₂=CH-CH₂ (b) (d) (e) -CH₂ (c) (f) CH₂-C-0.Propose a reasonable mechanism for the reaction, drawing out Lewis structure, using arrows to show electron flow, clearly identifying the bond making/bond breaking steps, and proposing reasonable intermediates for the reaction.8. Propose a mechanism for the light-initlated free-radical monofluorination of ethane: CH;CH, + F2 → CH;CH,F + HF (a) Show both initiation and propagation steps. (b) Calculate AH° for each step in the reaction and characterize each as exothermic or endothermic. (c) Calculate the overall value of AH° for this reaction (omit the initiation step).
- 3. Predict the products for the following reactions, indicate major and minor where applicable. OH Cro3 HBr -OH H2SO4 a) CH, PPh H,C b) H;C235L-6. For the following, a) predict the product and b) using curved arrows to show electron movement, provide a reasonable mechanism for the reaction. CI H2N, (-HС) 2 `NH2 ???[Assessments are ranked according to their difficulty; ●●●●= most difficult.] 16.40 (•) Predict the product(s) that would result when the alkyl halides shown are allowed to react under the following conditions: (i) PhZnBr, Pd(PPh3) 4; (ii) PhB(OH)2, Pd(PPh3)4, (iii) PhSnBu3, Pd(PPh3)4. (iv) Cu-C=C-CH3, Pd(PPh3)4; (v) 1. Mg° 2. PhCHO 3. H3O+ quench; (vi) 1. 2 Liº 2. Oxirane 3. H3O+ quench; (vii) 1. H₂C=CHSnBu3, Pd(PPh3)4 2. ICH₂ZnI; (viii) 1. 2 Liº 2. Cul (0.5 equiv.) 3. BrCH=CH2. (a) (b) (d) Br (c) Br Br