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s4 What is s the strachure of the comeoend in the follewing 14-NMR spextram with the...
Predict the major organic product of products of each of the following reactions. a) (CH),CHCH-CH- H2SO4 HO b) (CH3),CHCH=CH, 1. Hg(OAc), H2O 2. NaBH 1. BH3-THF c) (CH3),CHCH=CH2 2. H2O3, NaOH
Provide the major product(s) for the following reactions: Show Stereochemistry when necessary (10 points total) Br HBr CH2CI Br2 HBr Но ROOR CH,OH Н,о н* Н,о° 1) Hg(O,CCF3)2 CH,OH 1) BН, THF 2) H,О, NaOH, Нао 2) NaBH, NaOH 1) Hg(OAc) Н0, THF/ Hа Pd/C 2) NaBH, NaOH
Jos ou 2POMU PGJOM Which reagents are most likely to accomplish the reaction shown below? 4. ОН 1. BH, THF / 2. HO", H2O2, H2O H, H20 1. Hg(OAc)2, H2O, THF / 2. NaBH 1. Hg(OAc)2, CH3OH / 2. NaBHA NaOH, H20
С. D. Which of the following sequences of reagents will be used to do the following transformation? он Он А. 1. KOtBu; 2. Hg(OAc)2, H2O; 3. NaBH 1. TsCl, pyr; 2. KO B ; 3. BH3-THF; 4. H202, NaOH 1. H2SO4, heat; 2. Hg(OAc), H2O; 3. NaBH 1. TsCl, pyr; 2. NaOH; 3. BH3 THF; 4. H202, NaOH В. С. 8. Select the best reagents for the reaction below. Br Br Na ? А. 1. OsO4; 2. NaHSO3, H20 В....
II. Reactions: Predict the major organic product(s) or write the appropriate reagents/starting materials for the following reactions. Indicate stereochemistry and regiochemistry when appropriate. Indicate reactions that are expected to result in a racemic mixture of products DBr 1. Н.О, CHCI он HSO, heat кон 1) вн, THF 3. 2) H202. HO 1) Hg(OAc)2, CH,OH 2) NaBH, OH 5. Br2 SH 6. HIO4 OH THF, H2O "он III. Synthesis: Starting from the alkenyl bromide below, devise a synthesis that produces the...
1. PREDICT THE PRODUCT: Provide the structure of the major product expected from the following reactions or reaction sequences. Make sure you account for any regio- and/or stereochemistry! (24 pts.) H2O 1. Hg(OAC), CH, OH 2. NaBH H2SO4 H20 1) BH-THF 2) H202, KOH HBr Bry, H2O HBr ROOR 1. BH3-THF 2. H2O2, NaOH H20, H2SO4 1. NaNH2 H2 H-CEC-CH2 CH2 CH3 2. CH CH Br Lindlar cat 1. Sia BH-THF 2. H2O2, H2O
1. Give the major product of the following reactions, write NR. if no reaction happens. Indicate the stereochemistry if necessary CHCI KOC(CH3). (CH),COH 1. conc. HBr, heat 2. KOBU, HOBU 1. NaOM, MOH CI 2. BICN 1. 1 eq. BH3. THE 2. H2O2, NaOH, H2O 3. Hg(OAC), MeOH 4. NaBH4, NaOH, H2O 1. conc. HCI 2. LDA, THF 3. O. CH,OH 4.(CH), 1. Hg(OAC), THE 2. NaBH, NaOH, H2O > OH (Hint: product has a bicyclic ring)
9. Which of the following sequences of reactions would be best for the following transformation? 1) BH3 a) t-BuOK2) H2O2, NaOH Jones Br t-BuOH b) NaOH 1) BHz HO 2) H2O2, NaOH PCC NaOH 1) Hg(OAc)2, H2O H2O2) NaBH Jones
ctions 5. Fill in the ising bonconllg L Hg-CM-Ch c-c-ch3 2. Draw structures for the following compounds. a) 2-vinyl-1,3-cyclohexadiene b) 4-methyl-2-pentene. c) octa-2,4-diene d) deca-1,5-diene e) 3-heptene f 4-methyl-2-pentene 9) trans-8-ethyl-3-undecen h) E-5-bromo-4-chloro-7,7-dimethyl-4-undecene D Z-1,2-difluoro-cyclohexene )4-ethenylcyclohexano 1. Predict the major organic product or products of each of the following reactions. H2SO a) (CH)2CHCH-CH2 н.о 1. Hg(OAc)2, H2O b) (CH),CHCH-СH, 2. NaBH 1. BH3-THF c) (CH),СHCH-CH, 2. H2O2, NaOH
Enol fom Kets (om Provide the structure of the major products A, B, and C formed in each of the synthesis routes below. 2 OH EtzNH H cat Br в 1) г 2) H,о* CrO3, H2SO Hао C A (-H2O) С- 2 2EIOH 1)Hg(OAc)2, THF A Но C H' cat (-H2O) 2) NaBH OAc O2CCHy он dk pEt &0- 1) POCI DMF Ph,P CHCO Me A Pd/C c) Me в C Hа 2) NaHCO3 (aq) Me CHa CHICO me CH...