Which of the following starting materials and reagents would be best to produce a racemic mixture of 3-methyl-3-hexanol? heptanone and 1. CH3MgBr 2. H3O+ hexanal and 1. CH3MgBr, 2. H3O+ 3-hexanone and 1. CH3MgBr, 2. H3O+ butanal and 1. CH3CH2MgBr, 2. H3O+
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Which of the following starting materials and reagents would be best to produce a racemic mixture of 3-methyl-3-hexanol?
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- Which of the following starting materials and reagents would be best to produce a racemic mixture of 3-methyl-3-hexanol? a. heptanone and 1. CH3MgBr 2. H3O+ b. hexanal and 1. CH3MgBr, 2. H3O+ c. 3-hexanone and 1. CH3MgBr, 2. H3O+ d. butanal and 1. CH3CH2MgBr, 2. H3O+How would you synthesize the following compounds from cyclohexanone using reagents from the table? Use letters from the table to list reagents in the order used (first at the left). Reagents a 1. CH3MgBr/dry ether 2 H3O+ e 1. OsO4 i 1. BH3/THF 2. NaHSO3/H2O 2. H₂O₂ / NaOH b 1. C6H5MgBr / dry ether f 1. NaBH4 j Mg / dry ether 2 H3O+ 2. H3O+ с PBr3 g HOCH2CH2OH/HCI k H2/Pd d m-chloroperbenzoic h H3O+ / heat I CrO3 / H3O+ acid m cyclohexanone a) cyclohexylbenzene b) 2-phenylcyclohexanone Submit Answer Try Another Version 3 item attempts remainingHow would you synthesize the following compounds from cyclohexanone using reagents from the table? Use letters from the table to list reagents in the order used (first at the left). Reagents a 1. CH3MgBr / dry ether 2 H3O+ e 1. OsO4 i 1. BH3/THF 2. NaHSO3/H₂O 2. H₂O₂ / NaOH b 1. C6H5 MgBr / dry ether f 1. NaBH4 j Mg / dry ether 2 H3O+ 2. H3O+ C PBг3 g HOCH2CH2OH/HCI k H2/Pd d m-chloroperbenzoic h H3O+ / heat 1 CrO3 / H3O+ acid a) 2-phenylcyclohexanone b) cyclohexylbenzene m cyclohexanone
- Which of the following starting materials and reagents would be best to produce 2-hexanol? a. heptanal and 1. CH3MgBr 2. H3O* b. pentanal and 1. CH3MgBr, 2. H30* c. hexanal and 1. CH3MgBr, 2. H30* d. butanal and 1. CH3CH2MgBr, 2. H3O*1. Br₂, PBrg 2. H₂O H₂C OH H3C OH Br The a-bromination of carbonyl compounds by Br₂ in acetic acid is limited to aldehydes and ketones because acids, esters, and amides don't enolize to a sufficient extent. Carboxylic acids, however, can be a-brominated by first converting the carboxylic acid to an acid bromide by treatment with PBr3. Following enolization of the acid bromide, Br₂ reacts in an α- substitution reaction. Hydrolysis of the acid bromide completes the reaction. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions H3C :0: :0::Br: Br Br H3C CO-P H Br Br4. Which of the following reactions can be used to prepare 11-diphenyl-1-propanol? OH I. II. III. CH₂CH₂C снене-ось CH₂CH₂C -OCH3 PO 1. 2. H₂00 1. ? 2. H30Ⓡ MgBr MgBr 1. CH3CH₂ MgBr 2. H30
- Match the reagent on the left in the list below with the product formed on the right when the reagent reacts with Cyclohexanone: Hydroxylamine [Choose] CH3CH2NH2 [Choose CH3CH2-NH-CH2CH3 (Choose HON [Choosc7. Which of the following would work best in preparing tert- butyl benzoate? A. С6H5CO₂H plus (CH3)3COH with H₂SO4 catalyst and heat B. C6H5CO2Na plus (CH3)3CBr and heat C. C6H5CONH2 plus (CH3)3COH and heat D. C6H5CO₂H plus SOCI2 followed by (CH3)3COH with pyridineFor the reaction shown, select all suitable reagents: OH DMP CH₂Cl2 Na₂Cr₂O7, H₂SO4 H₂O PCC, CH₂Cl₂ CrO₂, H₂O, H₂CC(O)CH₂ DMSO, C₂O₂Cl₂ OH
- Wittig reactions with the following -chloroethers can be used for the synthesis of aldehydes and ketones. (a) Draw the structure of the triphenylphosphonium salt and Wittig reagent formed from each chloroether. (b) Draw the structural formula of the product formed by treating each Wittig reagent with cyclopentanone. Note that the functional group is an enol ether or, alternatively, a vinyl ether. (c) Draw the structural formula of the product formed on acid-catalyzed hydrolysis of each enol ether from part (b).A newer generation of antipsychotics, among them clozapine, are now used to treat the symptoms of schizophrenia. These drugs are more effective than earlier drugs in improving patient response in the areas of social withdrawal, apathy, memory, comprehension, and judgment. They also produce fewer side effects such as seizures and tardive dyskinesia (involuntary body movements). In the following synthesis of clozapine, Step 1 is an Ullmann coupling, a type of nucleophilic aromatic substitution that uses a copper catalyst. (a) Show how you might bring about formation of the amide in Step 2. (b) Propose a reagent for Step 3. (c) Propose a mechanism for Step 4. (d) Is clozapine chiral? If so, how many of the possible stereoisomers are formed in this synthesis?Question 11 Propose best Williamson ether syntheses for the following compounds. Select all applicable options (multiple answers can be possible). Note: Some compounds cannot be made using Williamson synthesis reaction. A: Хон OH ΚΗ مر OK Br SN2 KH B: OH OK SN1 C: Α ABC ☐ C 1000 Br Cannot be synthesized using Williamson ether syntheses.