5. Design a synthesis of the compound below from benzene and phenol, other organic starting materials with 4 or fewer carbons, and any other reagents needed. (+ Z isomer) .OH
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- Provide the major organic product for the following reaction. 1. LAH 2. H3O+ ethyl 2-methylbutanoate Provide the major organic product for the following reaction. 1. LIAIH(O-t-Bu)3 2. H3O+ ethyl 2-methylbutanoate6. The following reaction is an example of OH A) SN1 B) SN2 Br NaOH EtOH C) E1 D) E2 7. In the above reaction (Q6), what is the role of NaOH? A) It acts as an acid and reacts with EtOH B) It acts as nucleophile and attacks on electrophilic carbon in bromoprop C) It acts as a base and reacts with phenolic OH and forms phenolate ion D) It acts as a spectatorProvide the most accurate answer from the table of choices to best complete these reactions. Rxn L Reagents Rxn R Reagents Starting Material Rxn L Reagents Starting Material Rxn R Reagents Li, NH3(liq), -78°C 2,5-dimethyl-3-hexyne На, Pd/C а. b. H2, Lindlar Catalyst 2,5-dimethyl-3-hexyne На, Pа/C H2, Pd/C 2,4-dimethyl-2-hexyne Li, NH3(liq), -78°C С. d. Na, NH3(liq), -78°C 2,2-dimethyl-3-hехyne H2, Pd/C Na, NH3(liq), -78°C 2,5-dimethyl-3-hexyne H2, Lindlar Catalyst е. f. H2, Lindlar Catalyst 2,2-dimethyl-3-hexyne Na, NH3(liq), -78°C g. H2, Pd/C 2,2-dimethyl-3-hexyne Li, NH3(liq), -78°C a C d e f O O O
- 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 cyclohexanoneQl- Arrange the following carbonium ion as more stable. Why? Me Me „Me A C Q2- Choose the substituted group that makes the following reaction faster. Why? X- CH2 H X- ососн, OR COOCH} Y= NH2 OR NO2 Q3- Which of the following compounds give the highest yield when reacting with a carbonyl compound. Why? NH 2 NH2 NH2 Me Me Me OR OR NO 2 NO2 NO2Help In finding the major organic products for these reactions + NaOCH2CH3 1. add slowly 2. HCI b) 1. NaOCH, CH3OH 2. (CH3)2CHCH2CH₂Br 3. H3O+, heat
- This synthesis scheme was designed using the reaction roadmaps. (Reaction roadmaps allow you to "navigate" between the different functional groups and their behavior in chemical reactions.) compound c compound b ● W compound a compound f MAVI compound e m compound d Reagents HBr HBr, H₂O₂, hv a. b. c. H₂O, H₂SO4 d. Br₂ e. Cl₂ f. H₂, Pd Br₂, H₂O Cl₂, H₂O OsO4 then NaHSO3 #[ ] در g. h. i. j. • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • If there are alternative structures, draw the most stable one. • If the reaction produces a racemic mixture, draw both stereoisomers. Separate structures with + signs from the drop-down menu. k. I. m. n. O. p. Hg(OAc)2, H₂O then NaBH4 BH3 then H₂O₂, NaOH O3 then (CH3)2S In this synthesis, reagents from the table are used to carry out the indicated steps (shown in blue). In the box below, draw the structure of compound d. q. r. 2 equivalents of NaNH₂ H2, Lindlar's catalyst Na/NH3 H₂SO4, HgSO4 (sia)2BH then H₂O₂, NaOH 1…Provide the major organic product of the reactions shown below. Show the product from each step shown below. 1. NaCro OH 2. SOCI 3. CHOH, H",APropose a synthesis of the compound below. Use one of the two starting materials and any of the reagents in the table. H₂C=CHCH₂CH₂CCH₂ Starting materials 1. CH,C(O)CH,CO,Et 2. CH,(CO,Et) a. CH₂ Br O Be Br d. Reagents available Br B h. H₂O+, heat 1. NaOC₂Hs/C₂H5OH List the number of the starting material and then the letters of the reagents in the order you would use them, example 2fa.
- Synthesize each compound from benzene. Use a diazonium salt as one of the synthetic intermediates. COOH c. CH3- -CH,NH2 е. Но- -CH3 a. Br OH b. d. CH;CH2- -COOH -N=N- -NH24 Starting from benzene, devise a synthesis for the following compounds. a. b. C. d. & مهم Br CH3 NO₂ NO₂ OH Oc-CH, 'BrDraw the major product of this reaction. Ignore inorganic byproducts. 1. Hg(OAc)2, H₂O 2. NaBH4, NaOH Drawing at