Question 26 Predict the FINAL (?) product (or a mixture of products) for the following synthetic transformation: two diastereomers NaSH DMSO Br SN2 t-BuOK 1. OsO4 2. H₂O2 ? Br2 Hofmann product Н2 Pd catalyst two diastereomers A B C D 20 2020 20 A B C D
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- A hydrocarbon of unknown structure has the formula C8H10. On catalytic hydrogenation over the Lindlar catalyst, 1 equivalent of Η2 is absorbed. On hydrogenation overa palladium catalyst, 3 equivalents of Η2 are absorbed. (a) How many degrees of unsaturation are present in the unknown structure? (b) How many triple bonds are Present? (c) How many double bonds are present? (d) How many rings are present? (e) Draw a structure that fits the data.Aa.132.a) What are the major organic products of the following reactions? OCEN A HCI, H20 1. LDA Br2 В 2. CH3CH2BR hv b) CH3 KMNO4, H* CH3-C=CH-CH3 Hot
- 28. What is the major organic product of the following reaction? HO CI 1. (CH₂)₂Culi 2. H₂O A) I B) II C) III D) IV i c III ноха IVQuestion 17 Predict the FINAL (?) product (or a mixture of products) for the following synthetic transformation: two enantiomers 1) PhMgCl 2) H₂O 1.03 2. Me₂S ? .CI 1) NaNH, (excess) 2) H₂O H2SO4, H₂O HgSO4 1) n-BuLi 2) Br CI منه ABCD 000 ов OD B 0 H2 Lindlar's catalyst DQ10
- 26. What would be the major organic product for the following reaction? -O Na + ? Br -OH a) b) racemic 27. What would be the major substitution product for the following reaction? a) HO ■CI CH3 ??? c) d) 28. What would be the major organic product for the following reaction? a) Br NaF DMSO ? b). c) d) e) 29. What would be the major organic product for the following reaction? Br CHS Na+ ? DMSO a) S b) S c) ༠༤། d) racemic racemic racemic 30. What would be the major elimination product for the following reaction? CH3 CH3OH CI ??? CH3 CH3 a) b) ос c) " OCH 3 e) OCH 3 racemicHelp please5. Draw the organic products formed in the following reactions. az vo 2169 snol mo 40-60 g a. b. N [1] LIAIH4 [2] H₂O odior hobnod noitibbs, ogrob [1] Mg Br [2] Å quore [3] H3O+ C. O OH Isprie [1] TBDMS-Cl, imidazole [2] CH3Li [3] H₂O [Indicate stereochemistry.] quong griynol is dit bruggmos lynddisa vesi tuontiv d. of enousNaBH42 OCH3 CH3OH