
4. For each of the following transformations select the most appropriate reagent(s). 0 - 0 $- a. 1) NaBH/EtOH 2) H:0 b. 1) LiAlH/Et, 2) H30 c. H , Pd/C d. None of the above e. All of the above 5. For each of the following transformations select the most appropriate reagent(s). (2 points) HO a. 1) NaBH/EtOH 2) H:0* b. 1) LiAlH4/Et20 2) H:0 c. None of the above d. All of the above
1. For each of the following transformations select the most appropriate reagent(s). (5 points) A. 1) NaBH,/EtOH 2) H30* B. 1) LiAlH/Et20 2) H30* C. Hz, Pd/C D. None of the above E. All of the above
7. Identify the reagent(s) that you would need to accomplish the following transformations. -O
7. Identify the reagent(s) that you would need to accomplish the following transformations. - O ♡ - a
2. Supply the missing reagent(s) and/or products for the following transformations. Include the appropriate stereochemical specifics. (8 points) 1. BH, THE 2 H . NaOH CH.CH NASH DMSO
For each of the following five transformations, predict the reagent(s) which would be necessary (10 points total, 2 points each). ОН Bro -ty- Br ar но" OH
2. For each of the following transformations select the most appropriate reagent(s). (4 points) i Olovo noon go orgot A. 1) NaBH/EtOH 2) H30* B. 1) LiAlH/Et20 2) H30* C. None of the above D. All of the above
Draw the specific reagent(s) necessary to effect the following five (5) transformations. Specify stoichiometric coefficients of reactants, also. A. CH3 Cl B. Cн, CH с, сн, Br н,с. Li D. нс .Li н,с. CuLi E сн, (не. н,с. сн, 2
Draw the specific reagent(s) necessary to effect the following five (5) transformations. Specify stoichiometric coefficients of reactants, also. A. CH3 Cl B. Cн, CH с, сн, Br н,с. Li D. нс .Li н,с. CuLi E сн, (не. н,с. сн, 2
1. Select the best reagent(s) from the list below to accomplish the following transformations. In some cases, more than one reagent may be required. 3. HSO3(aq) A.HCI B. Br? C. Hg(OAc)/H20 D. BH3 E. H30*/Hz0 E. Hz02 G. Os04 H. Brz/Hz0 NaBH4 J. H2O, in aq NaOH Reagent(s)? NaHSO3 Product CH3 Starting Material сн. Н.c = — сна BR — Br Br CH₂ На сна нс сна HC нас нас н сну нас НАС СНА оfo/Acal НО н а )...
3. For each of the following transformations select the most appropriate reagent(s). (6 points) . سئو -- 0 A. B. CrOz/acetone-H2O 1) DMSO, (COCI), 2) Et3N C. PCC/CHgCl2 (NOTE: PCC = o=وه D. Na2Cr20/ H2SO4 - H20 - . و وهده E. DMP/CH2Cl2 (NOTE: DMP = F. None of the above . سند - G. All of the above