Complete the following reaction scheme. Give all products & indicate major or minor and any relevant...
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)
39. actions and give the structures of any intermediates. 1. Complete the major products of the following reactions and give Include stereochemistry, when appropriate. 1) BH, THE 2)H,0OH Bra но KMnO, OH theat) Oso4 H202 110, 2) (CH3) 21 HGCOAC), H0 1) Hg(OAc) H2O c) H20 H2SO4 2) NaBHA H2 1)03 2) (CH3)2s Pd-C CH3OH
1. Give the major product of the following reactions, write N.R.
if no reaction happens. Indicate the stereochemistry if
necessary:
1. Give the major product of the following reactions, write N.R. if no reaction happens. Indicate the stereochemistry if necessary: CHCl3 KOC(CH3)3, (CH3)3COH 1. conc. HBr, heat 2. KOBU, HOBU ✓ 1. NaoMe, MeOH 2. BrCN 1. 1 eq. BH3, THE 2. H2O2, NaOH, H20 3. Hg(OAc)2, MeOH 4. NaBH4, NaOH, H20
Complete the following reaction scheme, giving complete
stereochemic details as relevant. Explain please!
Complete the following reaction scheme, giving complete stereochemical details as relevant. Note: Be alert to the possibility of rearrangements OH t-BuOK, t-BuOH. heat heat i. KMnO4. ОН. 2 120,heat? (major product) ? (major product) + ii. H,0 HBr NaBH4 i.BHy,THF ii. H202. OH ? (major product)
1. Give the major product of the following reactions, write N.R.
if no reaction happens. Indicate the stereochemistry if
necessary:
1. conc. HCI 2. LDA, THE 3. O3, CH3OH 4. (CH3)2S N2 hv 1. Hg(OAC)2, THE 2. NaBH4, NaOH, H20 Y-OH (Hint: product has a bicyclic ring)
12. Draw all major products for the following reactions. Indicate any region specificity Mark, Non Mark, syn or anti addition were necessary. (36 points) HgSO H SO. Na NH 1.2 HB 2. cther R BH THE NaOH, HOA Bry CCL OH NaOCI HOAC o E HBr ROOR hy NBS, hy 1. Hg(OAC), H,O/THF 2. NaBHA Br 1. NaNH Br 1. LAIH 2. H0
3) What are the major products, AE to AU produced in the following reactions? Where it states stereochemistry, dashes and wedges must be used to show stereochemistry. Note: for some reaction enantiomers are formed. 17 Marks One mark for each correct product. Must show stereochemistry and all products for full mark. 1. Hg(OAc)H,0 2. NaBH4 1. BH-THF 2. NaOH/H2O2 conc. HB 1. Nah 2. Br heat AK AF AE K CrO; H2SO4 ZnCI HCI РСС, CH2Cl2 Cro 1. NaOH 2....
Complete all of the following reactions by drawing structures of the major products for each. Where appropriate, clearly indicate stereochemistry of the product. Н, РО, 2 Br 3. (1)OsO (2)NaHSO) Cl2/H2O 5. ()Bн, (2)H,O2OH(a 6- (1O (2)Zn, H 1. CHClyNaOH 8. (1)Hg 2+ (2)NaBH 9. KMnO. HO 10. 41
Choose the major product for each reaction. Be sure to include stereochemistry where applicable. racemic HBO, ROOR 1. Hg(OAC), H2O 2. NaBH 1. BH, THE 1. Oso 2. NaHSO3, H20 2. H,O, NaOH racemic racemic
3) What are the major products, AE to AU produced in the following reactions? Where it states stereochemistry, dashes and wedges must be used to show stereochemistry. Note: for some reaction enantiomers are formed. 17 Marks One mark for each correct product. Must show stereochemistry and all products for full mark. 1. Hg(OAc)H,0 2. NaBH4 1. BH-THF 2. NaOH/H2O2 conc. HB 1. Nah 2. Br heat AK AF AE K CrO; H2SO4 ZnCI HCI РСС, CH2Cl2 Cro 1. NaOH 2....