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2. Give the products for four of the five reactions below, If you do all five,...
or esterfication for D Which method would give this ketone? CH,CHE 1. PhMgBr 2. H307 1....
or
esterfication for D
Which method would give this ketone? CH,CHE 1. PhMgBr 2. H307 1. CH3CH MgBr 2. Hz0+ 1. CH2CHCN 2. PHCN CH3CH,COCI, AICI: TOLONIA O2 and 3 only 1 and 3 only 1. NaCN 2. H30, Heat CONH2 COH со,Н NH2 Question 14 (1 point) Which structure is consistent with the following proton NMR data: 1.2 (3H, triplet, J = 8Hz), 3.7 (2H, quartet, J = 8Hz), 4.1 (2H, singlet), 11.1 (1H, singlet) CH2CH3 och Por o...
12. In a synthesis of isopropyl pyridine, the 3-methyl-2- presence of sodium ethoxide to give a...
12. In a synthesis of isopropyl pyridine, the 3-methyl-2- presence of sodium ethoxide to give a dicarbonyl compo NaOCH.CH opropyl pyridine, the 3 with ethyl formate in the 0 ethyl formate 3-methyl-2-butanone a) In the first step of the mechanism, sodiu alpha position to form an enolate. Complete the as necessary (4 points) step of the mechanism, sodium ethoxide deprotonates 3-methyl-2-buthone at the O form an enolate, Complete this reaction with curly arrows drawing in H atoms b) Why is...
PROBLEMS 1. Reagents. Give the structures of the major products (A-G) expected from the following reactions....
PROBLEMS 1. Reagents. Give the structures of the major products (A-G) expected from the following reactions. Assume standard aqueous workup conditions are used for product isolation. a. OH 1. TBSCI imidazole, CH2Cl2 ► DMF, -18°C tot HO OH2. NalO4, CH2Cl2 large excoss A 80% b. олон 1. TSCI. py B "CH, 2. LiEt3BH. THE c. MeOC O H OH 1. TICI (1 cq) py, cat. DMAP - 2. TBSOT 2,6-lutidine, CH2Cl2 C1 79% 3. LIBHA, THE 4. Php. 12 imidazole...
extra credit orgo chem NaBH MOH 1.Write two starting materials (five or fewer C's) that react...
extra credit orgo chem
NaBH MOH 1.Write two starting materials (five or fewer C's) that react to form the target molecule starting from any carbonyl compound and any organometallic reagent. OH Part IV. Mechanistic Puzzlers (16 pts) 10. Reduction of cyclohexanone using lithium aluminum hydride gives a deuterated alcohol when D.O is used instead of H.O in the workup step. Account for this outcome with a mechanism, showing curved arrows, the key intermediate, and lone pairs and charges. (6 pts)...
or
esterfication for D
Which method would give this ketone? CH,CHE 1. PhMgBr 2. H307 1. CH3CH MgBr 2. Hz0+ 1. CH2CHCN 2. PHCN CH3CH,COCI, AICI: TOLONIA O2 and 3 only 1 and 3 only 1. NaCN 2. H30, Heat CONH2 COH со,Н NH2 Question 14 (1 point) Which structure is consistent with the following proton NMR data: 1.2 (3H, triplet, J = 8Hz), 3.7 (2H, quartet, J = 8Hz), 4.1 (2H, singlet), 11.1 (1H, singlet) CH2CH3 och Por o...
12. In a synthesis of isopropyl pyridine, the 3-methyl-2- presence of sodium ethoxide to give a dicarbonyl compo NaOCH.CH opropyl pyridine, the 3 with ethyl formate in the 0 ethyl formate 3-methyl-2-butanone a) In the first step of the mechanism, sodiu alpha position to form an enolate. Complete the as necessary (4 points) step of the mechanism, sodium ethoxide deprotonates 3-methyl-2-buthone at the O form an enolate, Complete this reaction with curly arrows drawing in H atoms b) Why is...
PROBLEMS 1. Reagents. Give the structures of the major products (A-G) expected from the following reactions. Assume standard aqueous workup conditions are used for product isolation. a. OH 1. TBSCI imidazole, CH2Cl2 ► DMF, -18°C tot HO OH2. NalO4, CH2Cl2 large excoss A 80% b. олон 1. TSCI. py B "CH, 2. LiEt3BH. THE c. MeOC O H OH 1. TICI (1 cq) py, cat. DMAP - 2. TBSOT 2,6-lutidine, CH2Cl2 C1 79% 3. LIBHA, THE 4. Php. 12 imidazole...
extra credit orgo chem
NaBH MOH 1.Write two starting materials (five or fewer C's) that react to form the target molecule starting from any carbonyl compound and any organometallic reagent. OH Part IV. Mechanistic Puzzlers (16 pts) 10. Reduction of cyclohexanone using lithium aluminum hydride gives a deuterated alcohol when D.O is used instead of H.O in the workup step. Account for this outcome with a mechanism, showing curved arrows, the key intermediate, and lone pairs and charges. (6 pts)...
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