Q3/ Complete the following reactions: NaOH 1) 2-pantanone + benzaldehyd NaOH -H20 2) hexanal + benzophenone NaOH 1-(2- hydroxy cyclochexyl) ethanone 3)
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- How to synthesise 1-cyclohexylcyclohexanol from cyclohexanone?1) LiAlH4; ) H3O+ will do which of the following reactions? 3-Phenyl-butanoic acid → 3-phenyl-butan-1-ol Benzene → cyclohexane Benzoic acid → benzaldehyde 2-Phenyl-hexanoic acid → benzoic acid and carbon dioxide 2,3-dimethyl-pent-1-yne → 2,3-dimethyl-pent-1-eneQuestion 9 The reagent which converts a carbonyl group of a ketone into a enamine group is O CH3CH2CH2NHCH3; H CH3CH2CH2NH2; H* O CH3CH2CH2NHCH3; H3O* O CH3CH2CH2NH2; OH OLIAIH[OC(CH3)3]3
- Amantadine is effective in preventing infections caused by the influenza A virus and in treating established illnesses. It is thought to block a late stage in the assembly of the virus. Amantadine is synthesized by treating 1-bromoadamantane with acetonitrile in sulfuric acid to give N-adamantylacetamide, which is then converted to amantadine. CH,C=N in H,SO, Br NHCCH3 NH2 1-Bromoadamantane Amantadine (a) Propose a mechanism for the transformation in Step 1. (b) Describe experimental conditions to bring about Step 2.What is the correct assignment of the names of the following ketones? H;C CH3 CH3 1 2 O 1 = acetone; 2 = phenol; 3 = benzaldehyde 1 = acetone; 2 = acetophenone; 3 = benzophenone %3D %3D O 1 = formaldehyde; 2 = benzaldehyde; 3 = acetophenone %3D O 1 = acetaldehyde; 2 = acetophenone; 3 = benzaldehyde %3D %3DPlease choose every correct one for the reaction below: Benzophenone + 1) LIAIH4, 2) acidic water → O benzoic acid O benzyl alcohol O diphenylmethanol no reaction O benzhydrol
- Nonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.1% 80-₁ 70 60 50- 40 30 20 10 -07 4000 3490.50cm-1 O acetophenone 2-methylcyclohexanone 3500 benzoyl chloride benzyl acetate butyrolactone O cyclopentanone O methyl benzoate 3070.41cm-1 methyl propionate 3000 2500 1773.120m-1 cm-1 2000 1734.17cm-1 1449.88cm-1 1595.22cm-1 1500 1204.24cm-1 1174.95cm-1 1000 500Which of these would be best to convert pentanal into 2-hexanol? O CH3MgBr then H3O+ NaBH4 CH3OH, H+ CH3CI, AICI3 O (CH3)2CuLi then H3O+
- How would you prepare 3-phenyl-1-propanamine (C&H-CH₂CH₂CH₂NH₂) from C&H,CH₂CH₂CHO C HẠCH,CH,CHO Select the correct reagent for A. Ⓡ (CH,ANH, ơi (CH₂)NO > C HẠCH,CH,CH;NH, NaBH, CN CHÍNH, Ố NH₁ ?Propose a synthesis of the topical anesthetic cyclomethycaine from 4-hydroxybenzoic acid, 2-methylpiperidine, and any other necessary reagents. HN' + HO. НО Cyclomethycaine 4-Hydroxybenzoic acid 2-MethylpiperidineSynthesize 2-pentanone from 1-butyne. Indicate all the reagents needed.