3. Identify (draw the structure showing stereochemistry where required) ALL of the missing reactant, reagents, or...
3. Identify (draw the structure showing stereochemistry where required) ALL of the missing reactant, reagents, or major product to complete the following transformations. а. Nal НРО, b. H2SO4 Но KMnO4 NH2 d. он Br2 CH2CI2 CHCI кон f. но" 1. excess Hg(OAc)2, H2O/THF OH 2. NaBH g- 1. еxcess BH,/ THF 2.H2O2 h.
Please write legibly and show all work. Thank you. 3. Identify the missing reagent(s), reactant(s) or major product(s) required to complete the transformations shown below. Clearly, show stereochemistry when required. (Pay attention to the direction of arrows). (1 point each) 1. BH,, THF 2. H2O2 , ??? KMnO4/H 2. 2. 2Cl2 CCL H2/ Lindlar catalyst CH212 Zn (Cu)
2.(20) The following five reactions show reactants, reagents and products. In each reaction one of the categories is missing (represented by a letter). Supply the missing reactant, reagents or product where appropriate in each reaction. In your structures, be sure to indicate stereochemistry where warranted. A= a) b) H2, 5%Pt/C CH212. Zn(Cu) in ether c) C : CH Br2 in H20 d) D : phase transf. cat OH 1) Hg(OAc)2, H20 2) NaBH4 e)
Identify the reagents to be used in the following synthetic schemes: (Specify the reagents you would use to carry out the conversion by using letters from the table. Write the letters in the order that they are used, c.g..abc.) Scheme 1: Scheme 2: a- -0- Reagents Available a. BH, THF then H2O2, OH h. NBS, CCL b. PBr3 HBO c. Mg. ether then H30 1. H2, Lindlar's catalyst d. (CH), Culi k. RCOOOH e. Brz I. O, then Zn, H30*...
Select the best reagents for each of the following transformations. You should only use each set of reagents once. You can record your answers on this worksheet, or type/write on another sheet of paper. You only need to submit the question number and the letter corresponding to the set of reagents from the table below. H2(g), Pd/C HBr HO" 1) Hg(OAc)2, H2O 1) BH; THF 2) NaBH4 2) H202, NaOH(aq) CH,OH, H+ Br2, CH2Cl2 Br2, H20 MCPBA 1) 03, -78°C...
1. Provide products for the following reactions. Show appropriate stereochemistry where appropriate. HI H2SO4 CH,OH 1. Hg(OAc),/H,0 2. NaBH4 1. BH; 2. H,Oz/NaOH H/Pd H2SO4/H2O 4. Provide the missing reagents or starting materials in the following reactions. OH Br HO 1. Br2 2, NaNH (excess) 3. H2O
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....
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....
Predict the major product(s) of the following reactions. Show stereochemistry where appropriate. 3 CO3H i) OsO4 H ii) NaHSO3, H2O CHC13, KOH any cha, kot i) BH3, THF CECH 11) H2O2, NaOH Li NH (liquid) cm X Ft, H/HO (vii) Two Markovnikov products Draw the structure of alkene for each of the following reactions. OH i) BH, THF 11) H202, NaOH 1) Hg(OAc)2, H20 ii) NaBH4 1) 03 ii) Zn/H Styrene undergoes propagation to give polystyrene. Showing electron-flow using half-headed...
17. Use ANY needed reagents to effect the following transformation. (30 points) starting material product List of Reagents -N:C:N- KMnO4, H2SO4 8 00 (CH3),COCOCOC(CH3)3 Ag(NH3)2+, 120 Fe, HCI KMnO4, NaOH, H2O, cold AlCl3 Bra (excess), NaOH (excess), H20 Brz, Fe Br2, H20 Br2, H2O, H3O+ Br2, hy Br2, NaOH (excess), H2O Br2, P Buli CF3CO,H CH;=0 Formaldehyde оо CH3COCCH o CH_CC1, pyridine H2, Lindlar's catalyst H2.Pd/C H2, Pa/C, high pressure H, Raney-Ni HANNH HENNH, KOH, (HOCH2CH2)20, heat H2O H20, H2SO4,...