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- Devise a synthesis of each analgesic compound from phenol (CeH;OH) and any other organic or inorganic reagents. CNH2 ČNH2 CH3 CH3 а. b. C. HO HO CH;CH20 salicylamide acetaminophen p-acetophenetidinPropose a synthesis for the following transformations.Propose an efficient synthesis fo the following transformations. c Propose an efficient synthesis for the following transformations. OEt 5.What combination of reagents can be used to make the following substance via an enamine? .&.Y.O Lay 11 B o o o o IV 8 + FO NH₂ 01 Oll II OIV O None of these reagents can be used.
- An acetal produces the following three compounds upon hydrolysis. Of acetals A-E which could it be? H3CO OCH3 П A B U D Acetal A H2O H₂SO4(cat.) замен поста "OCH3 В + HO. H₂CO ОН D + OCH3 CH3OH E OCH3 "OCH3Draw the products of the following reactions w given starting material 1. HCl 2. KMnO4 3. BH3 followed by H2O2 in basic medium (show keto-enol tautomerism) 4. NaNH2 followed by CH3CH2Br 5. H2O, H2SO4, HgSO4 (show keto-enol tautomerism) 6. H2/Lindlar catalyst followed by HBr4. Propose a synthesis for the following compound using benzene or toluene and any other reagents necessary. H
- How might you carry out the following selective transformations? (Note that a protection step may be required, and recall that aldehydes are more reactive than ketones toward nucleophilic addition.) Syntheses may require several steps. Choose the route with the fewest steps. Use letters from the table to list reagents in the order used (first at the left). Example: dag a b C d 1. excess NaBH4 2. H3O* 1. 1 eq. NaBH4 2. H3O* 1. LiAlH4 2. H30* aqueous HCI e f g Reagents 1. Li(CH3)2Cu 2. H3O+ 1. CH3MgBr / dry ether 2 H3O+ HOCH₂CH₂OH/HCI h i j Trimethylsilyl chloride / triethylamine CrO3/H3O+ Dess-Martin periodinane in CH₂Cl₂How to synthesize cyclohexylbenze from cyclohexanone?1. Draw mechanisms to show how the following a,ß-unsaturated ketone could be made from benzaldehyde (PhCHO) as one of the reactants using: (i) an aldol reaction (ii) a Wittig reaction, including preparation of the ylid. Ph Ph