Identify all reactions supported by the substrate below. O a. Sn1 O b.SN2 O C. E1 O d. E2 O e. SN1 & E1 f. SN2 & E2 g. O8 SN1, SN2 & E1 O h. SN1, E1 & E2 SN2, E2 & E1 O j. SN1, SN2, E1 & E2 i.
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- 1. Phoa pyridine 1. Provide the major products of each reaction sequence below. 1. PhBr, Pd(PPh,), Cul, NEt, 2. LIAIH, HO, 3. Dess Martin Periodinane 4. CH,CH,CO,Me, LDA then H,0 1. 2. Pd(PPhala, Na;CO,, PhBr Ph 3. lz. AGOAC 4. КОН, Н.о OMe 5. TSOH, 1. Ti(OiPr)4. (+)-DET, IBUOOH (stop at 50% conversion, remove reacted product) Ph Me Me 2. NaH then Mel 3. O, then Me,S OH 4. Me,SICH,MgBr then H,SO. 1. CH;0, NH3, NH,CI 2. CBZCI, Na,CO, 3. NH,OH then H,SO, 1. PhO CI pyridine 2. Bu, SnH, AIBN, A 3. Cp,TICI, Me,AI 4. H,0 5. NABH, CeCl, MeOHS MyDen Moodle at Southea.... CI What is the major product for the reaction below? HCI a. Sallie Mae Activity... Select one: My Accounts | O a. Structure a O b. Structure d O c. Structure c Od. Structure b b. CI C. CI d. CI 7:04 PMintermediates/products for this reaction Supply the missing . Please Show all 24.49. arrow pushimed Méchansmsi Mg(s). 1.8 Br2 Na,Cr,0z H2SO, SOCI, A B FeBr3 2. H300 AICI, Thanto ga! OCH3 Conc. H3PO4 → G OCH3 H. NABH4. ELOH A
- bläi 5 Q3: 5. Select the product of the .following reaction 1. Mg 2. co, followed by acid workup 3. Pyridine NICH)2 он NICH2 NCH2 NICH)2 A. В. C. D.Select the reagent(s) necessary for the given step of these synthesis pathways: Reagents available a. f. PBr3 CH3CH2COCI b. C6H5 COCI c. AlCl3 g. Mg, ether h. H2SO4, conc d. NaBH4, ethanol i. SOCI₂ e. H2SO4, dil j. C6H5 CN Scheme 1: Step 7: Step 2: Scheme 2: MgBr CH3 H3C CH3 H3C Step 5: Step 3: CH3 2 OH OH CH3 3 HO-C-C-H Br CH3 CH2CH3 CH2CH3 MgCl 3 2 H3C CH3 CH3 H3C CH3 5 6 .OH H3C CH3 H₂C CH₂ H3C CH3Which reaction (s) does an anhydride produce? HO. NEl3 CI КОН I. calor OK II NH2 O. IV HO HO. calor III a. Ob., IV Oc. I, II d., II, III, IV
- 4. Draw the organic products formed in each of the following reactions. il b. C. 1₂ (excess) -OH CE .CO₂Et [1] LDA CHz(CO,Et)2 [2] CH₂CH₂Br [3] H₂O+, A [1] NaOEt [2] CH₂CH₂Br [1] NaOEt [2] CHSCH₂Cl (3) H₂O*, A d. 'OEI [1] NaOE1 [2] CH₂CH₂CH₂CH₂Br [3] H₂O*, A [1] LDA [2] CH₂CH₂Br9. Predict the product of the Kiliani-Fisher synthesis. H. 1. HCN/NACN(cat.); 2. H/Pd/BaSOpyridine; 3. H*H,0 H- HO- он H. H. O HO O HOO H O но CN CN онно OH H- H- OH HO H- OH HO OH H- OH HO H. OH H- OH H- OH H OH OH OH OH OH он OH OH A B. D 3 10. Which best represents a step in the mechanism for intramolecular cyclization of 1,4-diketones? H H. B C D.1. Identify the major product? &=&&&* b Br t-BuOK OH t-BuOH a 2. The hydroxide ion (OH) in the following reaction behaves as hote Br H K a. Electrophile; b. Nucleophile; c. Acid; d. Base a. NaCN, DMSO b. t-BuOH с + C. CH3CONA, CH3OH d. TsCl A H₂O + Br 3. For the following compound identify the reagent most likely to give you an elimination product by E2 mechanism d
- 19. Predict the product for the following reaction 20. Predict the product for the following reaction sequence. sequence. excess NH3 SOCI₂ 1. CH3CH₂MgBr 2. H3O+ _ ==>> A. B. C. D. IV E. OH Na₂Cr₂O7/H₂SO4/H₂O SOCI₂ V IV H || V HO NH₂ NH₂ ||| ABCDE A. B. D. E. IV I <<=== Br Mg/ether NHCH3 || excess SOCI₂ CH3NH2 1. CO2 2. H3O+ Pyridine NHCH3 NHCH3 V NHCH3 NHDi. ▷ ▷ 2. ▷ 3. ▷ Mechanism? 1.KMnO₂, H₂ SO4 2. H ₂0, Mn.Uz 3. 12 504 MAU₂, H₂SO4 2₁-120,-Mn 504 O 1. H.(104 2. #2504 3. CO₂, HCl, H₂O с LOH Lott Lott6) Which of the following is the best leaving group? a. HO b. I C. NH2 d. Br e. F