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- What is the major product of the reaction of 1 mol of propyne with each of the following reagents? a. HBr (1 mol) e. aqueous H2SO4, HgSO4 h. H2/Lindlar catalyst b. HBr (2 mol) f. R2BH in THF followed by i. sodium amide c. Br2 (1 mol)/CH2Cl2 H2O2/HO-/H2O j. the product of part i followed by d. Br2 (2 mol)/CH2Cl2 g. excess H2, Pd/C 1-chloropropaneWhich of the following starting materials and reagents would be best to produce 2-hexanol? a. heptanal and 1. CH3MgBr 2. H3O* b. pentanal and 1. CH3MgBr, 2. H30* c. hexanal and 1. CH3MgBr, 2. H30* d. butanal and 1. CH3CH2MgBr, 2. H3O*Which reagents are best used to produce 4-methyl-2-pentanol from a ketone? a. amins and trace acid, followed separetely H2/PD/C b. sodium cyanide followed by HCl c. sodium borohydridd followed by acidic work up d. hydrogen cyanide followed by HCl e. none of the above
- From the table of available reagents select the one(s) you would use to convert 1-phenylethanol to l-phenylethanethiol Use the minimum number of steps; in no case are more than four steps necessary. List reagents by letter in the order that they are used; example: fa. Reagents available .CO3H a. CH3B. e. H30* i. b. HCI f. NaH c. Hg(OCOCF3)2, (CH3)2C=CH2; then NABH4 g. PBR3 h. POCI3, pyridine j. (CH3)3COH d. (H2N)2C=S; then "OH, H2OIdentify the correct reagents and conditions to perform this chemoselective reaction: H ရှုံး H Select one: Me e. Reagent(s) and conditions? a. NaBH4 b. BH3 THF Pd/BaSO4, H₂ (1 atm.), quinoline, Pb(OAC)2, MeOH d. Pd/C, H2 (1 atm.), MeOH DIBAL Me H H OH11. Which of these is most likely to dissolve in 5% NAOH? a) 1-decanol b) decanal c) decanoic acid d) 2-decanone 12. The following compound forms a cyclic hemiacetal all by itself. Draw the structure of that hemiacetal. HO H. 13. Show the steps necessary to transform the compound on the left into the
- 3. Show two different ways you would make this compound via a Grignard reagent, beginning each time with any alkyl or aromatic halide, and any other organic and inorganic reagents. H3C. H3C CH3 OH3. Show two different ways you would make 1-phenyl-1-butanol via a Grignard reagent, beginning each time with any alkyl or aromatic halide and any other organic or inorganic reagents.7. Which of the following would work best in preparing tert- butyl benzoate? A. С6H5CO₂H plus (CH3)3COH with H₂SO4 catalyst and heat B. C6H5CO2Na plus (CH3)3CBr and heat C. C6H5CONH2 plus (CH3)3COH and heat D. C6H5CO₂H plus SOCI2 followed by (CH3)3COH with pyridine
- From the table of available reagents select the one(s) you would use to convert l-phenylethanol to m-bromobenzoic acid Use the minimum number of steps; in no case are more than two steps necessary. List reagents by letter in the order that they are used; example: fa. Reagents available a. BH3, THF; then H2O2, OH d. KMNO4, H2 O g. PhMgBr; then H30+ b. Br, FeBr3 e. LIAIH4; then H30* h. POC13, pyridine c. CH;MgBr; then H30 f. PCC, CH2 Cl2 Submit Answver Try Another Version 10 item attempts remainingHow 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 remainingDesign a two step synthesis that converts 3-pentanone into 3'-pentyl acetate as shown below. H2 .C. H3C H2 .C. CH3 CH3 A wwww www CH3 H3C Draw the structure of molecule B and write the reagents A and C for the two steps in the multi-step synthesis. H2