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- Which reaction(s) would occur in the reaction below (substitution, elimination, both, or neither)? H2O O a. SN1 Ob.SN2 O c. SN1 & E1 O d. SN2 & E2 O e. E1 O f. E2 O g. No reactionWhich reaction(s) would occur in the reaction below (substitution, elimination, both, or neither)? Br HO- DMSO O a. SN1 O b.SN2 OC. SN1 & E1 С. O d.SN2 & E2 O e. E1 O f. E2 O g. No reactionQuestion one parts A though c a. Which product forms from the following reaction? Answer as letter choice only (i.e., "E" not "E.") CHO HOH HOH H OH H OH CHOH Brs. H0 ??? A. В. C. D. COOH HOH HOH H OH HOH CHOH CH-OH CHO COOH но HO HOH H OH HOH ČOOH HO -H но HO H H OH HOH CHOH HOH H OH COOH b. Which of the following structures shows the Haworth configuration in the alpha configuration of the beginning sugar? Answer as letter choice only (ie. "E" not "E."). сно HO-H HO H Намorth Form Alpha Configuration H- OH нон CHOH B. A. CH,OH CH,OH CH,OH CH,OH OH OH OH O OH OH OP OH он он он OH C. Answer the following question. What is the expected product of this reaction? CHO H- -Он NABH, HO-H H- ??? OH H- -OH ČH,OH 運運重 А. В. С. CH,OH COOH COOH H- HO-H H- OH -OH OH но- но H- H- H OH H- OH OH HHOH H- ČH-OH H- -OH ČH,OH COOH
- 1. Draw the MAJOR product for each of the following reactions. No. Reaction a но ? МСРВА b 1. BH3, THF ? 2. Н.О, NaOH 1. SOCI, ? OH 2. (CH3),NH d ? 1. NaOH 2. 1. H;O" e 2. CI . pyridineWhat is the product of the SN2 reaction shown below? Nat SH ? DMSO SH HS. .SH HS- b. c. d. а. Which leaving group would provide the slowest substitution reaction (SN2)? NaCN a. X = F b. X =CI c. X= Br d. X =1What is the major product of this reaction sequence? 1. ELONA/E1OH 2. ВГCH-CH2CH3 (1 ед.) 3. НО", heat 67. b. C d. ОН HO. dl lo
- Draw the products of each reaction. CHO Br. OCH3 Br2 so3 a. -CN i. H2SO, FeBr3 H2SO4 CH3 NaSCH,CH3 CH,COCI j. AICI3 HNO. b. f. -NHCOCH, -F H2SO, "NO2 CH3O но NO2 CH3 NO2 So3 H2SO, HNO3 H2SO, C. HO. NO2 CH;CH,CI AICI Cl2 d. C- -ососн h. CH;0- -COOCH3 FeClaChoose the correct product for the given reaction. HO. РСС А. HO D. С. ОА OD B. O O O O1. Give the major product(s) of the following reactions as needed. Include any stereoisomers. NaOEt 1. Br NaOH Br 2. NaOtBu 3. A MEOH 4. Br 2. Which reaction will proceed faster A or B? H,S H2S "CI .... в
- Which alkene cannot be converted into an alkyl bromide with HBr, ROOR, hv, A? III IV A. B. C. D. E. All react Which synthetic route is best to give the major product shown below. ? x XA OH A. 1. BH3; 2. H₂O2, NaOH; 3. HBr; 4. CH3CO₂H B. 1. Br₂, 2. NaCCH; H₂, Lindlar's; 3. O3; 4. H₂O C. 1. NBS, hv, A; 2. H₂, Pd; 3. NaO₂CCH3 D. 1. NBS, hv, A; 2. NaCCH; 3. H₂2, Pd; 4. O3; 5. H₂O E. 1. NBS, hv, A; 2. H₂, Pd; 3. NaCCH; 4. 03; 5. H₂O Which synthetic route is best for the transformation shown below? OH ? OH A. 1. H₂SO4/heat; 2. HgOAC2, H₂O; 3. NaBH4 B. 1. HBr; 2. NaOH, DMSO C. 1. TsCl, pyr; 2. NaOH, DMSO D. 1. TsCl, pyr; 2. KOtBu; 3. BH3-THF; 4. H₂O2, NaOH E. 1. H₂SO4/heat; 2. BH3-THF; 3. H₂O2, NaOH =BName the following structure CI 1111 A. (45)-4-Chloro-4-methyl-2-hexyne B. (35)-3-Chloro-3-methyl-4-heptyne C. (3R)-3-Chloro-3-methyl-4-hexyne D. (4R)-4-Chloro-4-methyl-2-hexyneWhich will be the product for the following reaction? a.) H. b.) d.) alja LOH и 1. HNME 2 2.03 DMS H Me Mc Me -N-me Fyr LOH H