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- Write the Ky reactions for pyridine, for sodium 2-mercaptoethanol, and for cyanide. H+ binds to S in sodium 2-mercaptoethanol and to C in cyanide. (Hint: Spectator ions, which do not react in solution, appear on both sides of the reaction and can be removed.) N: HOCH.CHS: Na+ CN Pyridine Sodium 2-mercaptoethanol Cyanide Refer to the Ka values below for their conjugate acids. Which of the three bases shown above is the strongest? NH HOCH.CH.SH HCN Pyridinium ion K. = 6.3 x 10-6 2-Mercaptoethanol K. = 1.9 X 10-10 Hydrogen cyanide K = 6.2 x 10-101. Design a synthetic route to demonstrate how you can convert 1-propanol into 2- hexyne. You must use 1-propanol as the source of all carbon atoms in the target molecule. Show all reagents needed and all molecules synthesized along the way. НО.11. Provide the reagents necessary to carry out the following conversion. A 5-cyclopentyl-1-pentanol 5-cyclopentylpentanoyl chloride 5-cyclopentylpentanoic acid C B 8-cyclopentyl-4-octanone 12. Provide the reagents necessary to carry out the following conversion. 4-ethylheptanoyl chloride 5-ethyl-2-octanone A. B. E. CH3Li CH3MgBr (CH3)2CuLi 1. 2. CH3OH Mg/ether CH3Br
- Compounds A, B, and C which are all alcohols are subjected to the Lucas test. An oily layer was formed almost instantly after the addition of reagents to Compound C. For compound A, it took several minutes before an oily layer was formed. Meanwhile, it took at least one hour with compound B before an oily layer was observed. What could be compound B? Choices: Ethanol Isopropyl alcohol tert-butyl alcohol3. Show the step(s) necessary to carry out this transformation: acetone →N-isopropylaniline Armonndien brief mothe SPRINGEHow 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 remaining
- 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. 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 cyclohexanonePredict the major products found in the following reaction scheme that correspond to the compound found in Box A and Box B. 1 Box A Box B OH OH OH OH The following question is in THREE parts. The following reaction sequence was performed using isopropanol as the starting material and reacting with readily available reagents. Predict the major product formed in Box D that was prepared from Compound C. OH 1. PBг3 pyridine 2. Mg, Et₂O B A 2. H₂O+ 1. SOCI2. pyridine C D 2. Phenol, AICIProvide at least one (1) test that could differentiate n-pentanol and pentanal and give the expected visible result/s. [n-pentanol and pentanal]
- 10. 1-pentanol is heated together with dilute phosphoric acid to produce complete chemical reaction and reagents. Show the5. Analyze the following structure and write one combination for Grignard reagent and a carbonyl that would give rise to it. CH-CH,-OH 6. Match the compound to its boiling point. The compounds have similar weights. Compounds : pentanal ; 1-pentanol ; hexane Boiling points (°C) : 68.8 ; 103.4 138 7. Show the multi-step synthesis an alkyl halide from alcohol. No mechanism is required but you must show all the reagents and intermediate products formed at each step. OH Br он CH;CH,ĊHCH3 ChCHa CH;CH2CH,CH2 8. Give the structure A for the reaction shown below: H,SO, (CH3);ĊCHCH3 A 9. Arrange the following alcohols in order of their reactivity toward acid-catalyzed dehydration and explain your reasoning. OH OH CH3-CHCH,CH,OH CH;-C-CH,CH; CH;-CHCHCH; ČH3Write the products of the following sequences of reactions. Refer to your reaction roadmaps to see how the combined reactions allow you to navigate between the different functional groups. Note that you will need your old Chapters 611, Chapters 1518, and Chapter 19 roadmaps along with your new Chapter 20 reaction roadmap for these.