Question: Which of the following reagents would you expect to react with bromocyclopentane by an SN2 mechanism? * C2H50H C2H50(-) K(+) NaCN O (CH3)3N Question: Which will be the main product upon bromination of phenyl benzoate with Br2/AIBR3? * Br Br B) A) Br
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Q: a) Br (only product) b) I I ( CH₂CHCH₂CHCH₂ C) H₂₂C A Br H₂C CH₂
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Q: Draw the expected major product of catalytic hydrogenation of the following alkene. Use wedged and…
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- Which of the following reactions will synthesize phenol from benzene? 1) HNO3 + H2SO4; 2) Fe, HCl; 3) NaNO2, HCl, 0-10 oC; 4) warm H2SO4 and H2O 1) HNO3 + H2SO4; 2) Fe, HCl; 3) NaNO2, HCl, 0-10 oC; 4) CuCN; 5) dilute acid and heat 1) Acetyl chloride & AlCl3; 2) bleach 1) Ph-N2+ + KI; 2) BrMgCH=CH2 in ether, followed by H3O+; 3) warm, conc'd KMnO4 1) Cl-CH(CH3)-CH2CH2CH3 + FeBr3; 2) hot, conc'd KMnO4Which set of reagents would effect the conversion, OH (а) ВH3:THF, then H2O2/HO- (b) Hg(OAc)2, THF-H2O, then NaBH4/HO¯ (c) H3O+, H2O (d) More than one of these (e) None of these1 Question 1 (a) Identify the routes of 1-bromopentan-2-ol production from 1,2-dibromoethane. Write out four intermediates with the given reagents for the synthesis process. ● NaNH2, NH3 ● CH3CH2CH2Br, THF ● ● H₂, Ni Br2, H₂O H H H Br Br H (i) (iv) (b) Present the concept that has been applied in one of the transformation processes above. Show the mechanisms for the transformation using that concept.
- QUESTION 5: Outline plausible syntheses for the following compounds, starting with the specified starting materials. Show all intermediate compounds as well as all the reagents required. CN from naphthalene via sulfonation reaction (b) -N=N OH CO₂H from benzene using Grignard reaction from benzene and phenol6) If you are given a mixture consisting of following 3 compounds, explain how you would separate the components by solvent extraction method NH2 ÇOOH (A) Cyclopentylamine (B) 2,4-Cyclopentadiene-1-carboxylic acid (C) BenzeneHow will you convert the following compounds to benzene?(i) Acetylene (ii) Benzoic acid(iii) Cyclohexane (iv) Benzene diazonium chloride.
- begining with 4-octyne as your only source of crabon, and using any inorganic regents necessary, how would you synthesize the following compounds? (a) cys -4-Octene (b) Butanal (c) 4-bromooctane (d) 4-Octanol (e) 4,5 - dichlorooctane (f) Butanoic acidQuestion: Which of the following procedures would be best for achieving the following reaction? * CH3 ? CH2-C=C-CH3 Br Br O (A) (i) KOH & heat (ii) CH3C=C-Br (B) (i) KMNO4 & heat (ii) CH3C=C(-) Na(+) (iii) excess H20 (C) (i) NBS in CCI4 & heat (ii) CH3 C=C(-) Na(+) (D) (i) Mg in ether (ii) CH3C=CBr (iii) excess HЗРО4(a) How will you convert the following :(i) Propanone to Propan-2-ol (ii) Ethanal to 2-hydroxy propanoic acid(iii) Toluene to benzoic acid(b) Give simple chemical test to distinguish between :(i) Pentan-2-one and Pentan-3-one (ii) Ethanal and Propanal
- * Predict the products for the following reduction reaction by LiAlH4 and NaBH4 and explain why the differences exist. ⠀ MeO (a) (b) NaBH4 EtOH 1) LiAlH4 MeO 2) H+7. (Chapter 15 - Q41a) Propose a structure for the compound that fits the following description. Ca0H14 7.18 5, (4H, broad singlet) 2.70 8 (4H, quartetJ =7 Hz) 1.20 5 (6H. triplet J =7 Hz) IR: 745 cm1 7(a) IR absorption indicate the compound is -disubstituted = 7(b) The name of the compound isQuestion 2 (a) Given and Scara were given a task of synthesising (2-methylprop-1- enyl)cyclohexane 2 (A potential TB drug). After a brief discussion with each other, Given proposed Method A to synthesise 2 from cyclohexanecarbaldehyde 1 while Scara proposed Method B that started from hydroxymethylcyclohexane 3. When designing a synthetic route for drug molecule, you have to make sure the synthetic process is as efficient as possible (e.g. few synthetic steps, mostly making one product and more). 1 THF A Ph Ph B 3 1. PCC 2. isopropyl magnesium vromide 3. H₂SO4 100 °C OH After analyzing both of these methods, draw any one possible alkene product other than (2-methylprop-1-enyl)cyclohexane 2?Use mechanistic details to support your answer