3. First elimination reaction gives an alkene then Electrophhlic addition of hbr followed by sn2 reaction.
4. LAH(LiAlH4) is a strong reducing agent and reduces the ketone into alcohol.
3. Provide a reasonable procedure which can achieve the following transformation. ---- 4. Complete the following...
4. Complete the following reaction and answer the questions. 4. Complete the following reaction and answer the questions. 1. (Structure of LAH) Ph 2. HC1, H2O a. Provide a mechanism of the reaction above. b. Provide two more approaches which can yield the same product in the reaction above. Different reagents and starting material are allowed to use. You need to show the reactions to earn full credits.
4. Complete the following reaction and answer the questions. 1. (Structure of LAH) 2. HC1, H2O a. Provide a mechanism of the reaction above. b. Provide two more approaches which can yield the same product in the reaction above. Different reagents and starting material are allowed to use. You need to show the reactions to earn full credits.
Provide the reagents to achieve the following transformation Provide the reagents to achieve the following transformation: CHE Ph CH3 H3C H2C A B с D Hz, Pd/C nor Li(0) NH3, THE 1. Bra (excess) 2. NaNH2 3. H30+ hexanes H2 Lindlar cat hexanes
10. Provide the reagents necessary to complete the following transformation. 13. Provide the structure of the major organic product of the reaction below 10. Provide the reagents necessary to complete the following transformation. A. 1. BH3 THF 2. H202, HO B). H20, H2SO4 C. OsO4. H202 D. CH3CO3H E. 1. CH3CO3H 2. H, H20 11. Which of the following is the best reaction sequence to use if one wants to accomplish a Markovnikov addition of water to an alkene with...
3. (3 pts) Provide a reasonable arrow-pushing mechanism for the following transformation. OEt EIO EIO 1. NaOE, ETOH 2.NH.CI (aq soln) Me Me
can someone answer these 3 review questions? 2. For the transformation below, what is the structure of the starting material? 4. What will be the product of the following reaction? OH .COH 1. LAIH 2 HO. doc ? A) A B) B ОН C) с. D) 18 && E) D 3. Which of these reagents will best accomplish the transformation below? E None of the above ~он A) 1. H2Cr204 B) 1. LiAlH4; 2. H2O C) CH3CH2MgBr D) CrO3+ py...
3. (3 pts) Provide a reasonable arrow-pushing mechanism for the following transformation. Why does the more substituted cyclopentanone not form? in Me money OEU 1. NaOEt, EtOH * 2. NH4Cl (aq soln) Eto Me
5. (20 points) Provide a reasonable and complete mechanism using the arrow notation for the following transformation Br AgNO3, Br Br EtOH, EtONa Br 5. (20 points) Provide a reasonable and complete mechanism using the arrow notation for the following transformation Br AgNO3, Br Br EtOH, EtONa Br
3. (3 pts) Provide a reasonable arrow-pushing mechanism for the following transformation. Why does the more substituted cyclopentanone not form? Me OEt 1. NaOET, ETOH X 2. NH4Cl (aq soln) Eto EIO Me
3. (3 pts) Provide a reasonable arrow-pushing mechanism for the following transformation. D20+ ph CH₂ Ph CD