Part C: Provide any intermediate and final product for Each of the following reaction sequences 1) C6H5 2) O -C6H5 1) N,Methyl-2-butanamine p-Toluenesulfonic acid + AIC13 CI 0.5 M HCl in water reflux ii) (CH3)2NH iii) LiBH3CN
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- Q16. What are the necessary reagents to perform the following synthesis? Choose the answer from the options below. DG (0) CH3MgBr/ether (1) NaBH4, (2) H3O*(aq) c) H₂, Pt d) (1) CH3MgBr/ether, (2) H3O*(aq) (ii) dilute HCl(aq) conc. H₂SO4(aq) conc. H₂SO4(aq) conc. H₂SO4(aq)Identify the reactions needed to prepare A) (1) Acetyl chloride, (2) LIAIH4, (3) Benzyl bromide B) (1) Benzaldehyde/NaBH3CN, (2) Formaldehyde/ NaBH3CN C) (1) Methyl iodide, (2) Acetyl chloride, (3) LIA|H4 D) (1) Benzyl bromide, (2) NaBH3CN N-benzyl-N-methylbutylamine from 1-aminobutane?(i) H₂C (ii) (iii) H₂C (iv) (v) a. Draw the missing Reactant or Product for each of the following reactions. OH OH H*/KMnO4 H₂SO4 HCI H* / CH₂OH H* / K₂Cr₂O₂ H₂C Product A H₂C. H₂C CI CH 3 CH 3
- groups chart and then reconcile your answer. 15. Draw the structures of intermediate and final product by describing reaction mechanism of the following reactions; H3C (a) (b) H3C C=C H CH₂CH3 Hg(OAc)2 1-methylcyclopentane Cis-2-pentene + intermediate BH3 THF solvent CHC13 NaBH4 3 KOH termediate H₂O2, OH- product (d) product cyclohexene + CH₂I2 H₂O, H₂SO4 Zn(Cu) EtherStereoisomers of α-bromocinnamic acid: draw the reaction mechiansim with arows for the dehydrobromination of 2,3-dibromo-3-phenylpropanoic acid with ethanol and KOH to produce (Z)-α-bromocinnamic acid and (E)-α-bromocinnamic acid. Also draw the transition state for The (Z)-isomer syn-periplanar transition state and anti-periplanar transition state of the (E)-isomer.Which compound is a major product of the reaction sequence shown below? (1) benzene COOH „COOH OCH3 (A) (B) OCH3 (2) H* HО, д "СООН COOH .COOH (C) (D) "COOH Compound A Compound C Compound B OCompound D
- Provide the mechanism for the following reaction (1) PhMgBr (2 equiv) (2) H3O+ workup OH1) 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-eneDevise synthetic routes that allow you to get from the reactant/starting material side of the reactions to the product side. More than one transformation may be needed in each case. (a) H3C₂ (b) OH mayon H3C₂ OH ? ? H3C₂ H3C OH SH
- 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 – PhPredict the product when cyclohexanone reacts with aqueous sodium hydroxide at 100°C. IV II II I O 1) I O 2) || 3) II 4) IV 5) none of theseIf anhydrides react like acid chlorides with the nucleophiles, draw the products formed when each of the following nucleophiles reacts with benzoic anhydride [(C6H5CO)2O]: (a) CH3MgBr (2 equiv), then H2O; (b) LiAlH4, then H2O; (c) LiAlH[OC(CH3)3]3, then H2O.