14. [Hint: think alpha carbon, first.]
![14. [Hint: think alpha carbon, first.] 1) Brz/PB3 OH 2) CH3NH2](http://img.homeworklib.com/questions/d163a960-e264-11ea-947c-1b6343bede4e.png?x-oss-process=image/resize,w_560)
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14. [Hint: think alpha carbon, first.]
14. [Hint: think alpha carbon, first.] 1) Brz/PB3 OH 2)...
13. 1. LDA 2. CHI 14. [Hint: think alpha carbon, first.] 0 1) Brz/PBrg OH 2)...
13. 1. LDA 2. CHI 14. [Hint: think alpha carbon, first.] 0 1) Brz/PBrg OH 2) CH3NH2 15. React PhCH2CHO with hydroxide and provide its aldol-addition product. Then, apply heat to produce its final product. (6 pts) 16. React with methoxide, then heat. Be sure to show the intermediate carbanion, then the Dieckmann product. Finally, hydrolize and provide the final product. CO2CH3 1. NaOCH; 2. H2O .CO2CH3 17. Perform a crossed Claisen condensation reaction with methyl benzoate and cyclohexanone under...
10-18. Syntheses (continued): 14 1. LDA 2 сны 15. (Hint: think alpha carbon, first.) 1) Brz/PBry...
10-18. Syntheses (continued): 14 1. LDA 2 сны 15. (Hint: think alpha carbon, first.) 1) Brz/PBry 2) CH3NH2 OH 16. React PhCH2CHO with hydroxide and provide its aldol-addition product. Then, apply heat to produce its final product 17. Perform the Claisen reaction using methyl phenylacetate. (6 pts) 18. React with methoxide, then heat. Be sure to show the intermediate carbanion, then the Dieckmann product. Finally, hydrolize and provide the final product. CO CH 1. NaOCH 2. H,0 CO.CH
9-17. Syntheses (continued): 13. 1. LDA 2. CH 14. [Hint: think alpha carbon, first.) 1) Brz/PBry...
9-17. Syntheses (continued): 13. 1. LDA 2. CH 14. [Hint: think alpha carbon, first.) 1) Brz/PBry OH 2) CH3NH2 15. React PhCH2CHO with hydroxide and provide its aldol-addition product. Then, apply heat to produce its final product. (6 pts) 16. React with methoxide, then heat. Be sure to show the intermediate carbanion, then the Dieckmann product. Finally, hydrolize and provide the final product. CO CHE 1. NaOCH 2. H30 CO, CHE 17. Perform a crossed Claisen condensation reaction with methyl...
biologi 14. [Hint: think alpha carbon, first.) 1) Brz/PBT3 2) CH3NH2 он 15. React PhCH2CHO with...
biologi 14. [Hint: think alpha carbon, first.) 1) Brz/PBT3 2) CH3NH2 он 15. React PhCH2CHO with hydroxide and provide its aldol-addition product. Then, apply heat to produce its final product. (6 pts) 16. React with methoxide, then heat. Be sure to show the intermediate carbanion, then the Dieckmann product. Finally, hydrolize and provide the final product. COUCHE 1. NaOCH, 2. H,0 .COCH 17. Perform a crossed Claisen condensation reaction with methyl benzoate and cyclohexanone under basic conditions.
10-18. Syntheses (continued): 14. 1. LDA 2 оны 15. (Hint: think alpha carbon, first.) 1) Brz/Per...
10-18. Syntheses (continued): 14. 1. LDA 2 оны 15. (Hint: think alpha carbon, first.) 1) Brz/Per 29 CHẠNH OH 16. React PhCH2CHO with hydroxide and provide its aldol-addition product. Then, apply heat to produce its final product 17. Perform the Claisen reaction using methyl phenylacetate. (6 pts) 18. React with methoxide, then heat. Be sure to show the intermediate carbanion, then the Dieckmann product. Finally, hydrolize and provide the final product. Cook CO.CH 1. NOCH 2. H,0
2. (1.5 Credits) a. One carbon in Compound A is an alpha carbon and beta carbon....
2. (1.5 Credits) a. One carbon in Compound A is an alpha carbon and beta carbon. Circle this carbon. b. Box the leaving group(s) in Compound A. If the leaving group is poor, how can it be made better? Br c. Compound A reacts with H SO4. Draw two possible intermediates of this reaction. Which intermediate most likely forms? Give reasons. d. One of your intermediates from part c forms Compound B. Use curved arrows to show how Compound B...
syntheses 7-12. Syntheses: provide the product(s): он РСС , но* CH,Cl2 Brz 1. Brz/PBrg OH 2....
syntheses
7-12. Syntheses: provide the product(s): он РСС , но* CH,Cl2 Brz 1. Brz/PBrg OH 2. H20 NaOH/HO 1. NaOCH2CH3 2. H307 1. (CH3CH2CH2)2Culi 2. Hz0
1.) Draw the structure of the amino acid Serine(ser), which has R=-CH2-OH. Label the alpha carbon. 2.) Draw the dipeptid...
1.) Draw the structure of the amino acid Serine(ser), which has R=-CH2-OH. Label the alpha carbon. 2.) Draw the dipeptide that forms between serine and alanine. The dipeptide sequence is Ser-Ala. Label the peptide bond. 3.) How many amino acids residues are in a polypeptide containing 6 peptide bonds? How many peptide bonds are in a tripeptide 4.) Sketch a alpha-helix and a beta-sheet as best as you can. Label each.
1. Circle the two alpha carbons and box the two leaving groups in methamphetamine. methamphetamine 2....
1. Circle the two alpha carbons and box the two leaving groups in methamphetamine. methamphetamine 2. Methamphetamine reacts with Br. Draw structure of the two possible products. (Hint: nucleophile reacts at each alpha carbon) 3. Assume the secondary alpha carbon in methamphetamine undergoes loss of leaving group (first step of a SN1 mechanism). Draw the structure of the carbocation.
Question 38 Predict the major product for the following reaction. 1. Brz/PBr3 OH 2. H20 Br...
Question 38 Predict the major product for the following reaction. 1. Brz/PBr3 OH 2. H20 Br O Br OH OH Br II Br III IV Br I II III IV None of these
13. 1. LDA 2. CHI 14. [Hint: think alpha carbon, first.] 0 1) Brz/PBrg OH 2) CH3NH2 15. React PhCH2CHO with hydroxide and provide its aldol-addition product. Then, apply heat to produce its final product. (6 pts) 16. React with methoxide, then heat. Be sure to show the intermediate carbanion, then the Dieckmann product. Finally, hydrolize and provide the final product. CO2CH3 1. NaOCH; 2. H2O .CO2CH3 17. Perform a crossed Claisen condensation reaction with methyl benzoate and cyclohexanone under...
10-18. Syntheses (continued): 14 1. LDA 2 сны 15. (Hint: think alpha carbon, first.) 1) Brz/PBry 2) CH3NH2 OH 16. React PhCH2CHO with hydroxide and provide its aldol-addition product. Then, apply heat to produce its final product 17. Perform the Claisen reaction using methyl phenylacetate. (6 pts) 18. React with methoxide, then heat. Be sure to show the intermediate carbanion, then the Dieckmann product. Finally, hydrolize and provide the final product. CO CH 1. NaOCH 2. H,0 CO.CH
9-17. Syntheses (continued): 13. 1. LDA 2. CH 14. [Hint: think alpha carbon, first.) 1) Brz/PBry OH 2) CH3NH2 15. React PhCH2CHO with hydroxide and provide its aldol-addition product. Then, apply heat to produce its final product. (6 pts) 16. React with methoxide, then heat. Be sure to show the intermediate carbanion, then the Dieckmann product. Finally, hydrolize and provide the final product. CO CHE 1. NaOCH 2. H30 CO, CHE 17. Perform a crossed Claisen condensation reaction with methyl...
biologi 14. [Hint: think alpha carbon, first.) 1) Brz/PBT3 2) CH3NH2 он 15. React PhCH2CHO with hydroxide and provide its aldol-addition product. Then, apply heat to produce its final product. (6 pts) 16. React with methoxide, then heat. Be sure to show the intermediate carbanion, then the Dieckmann product. Finally, hydrolize and provide the final product. COUCHE 1. NaOCH, 2. H,0 .COCH 17. Perform a crossed Claisen condensation reaction with methyl benzoate and cyclohexanone under basic conditions.
10-18. Syntheses (continued): 14. 1. LDA 2 оны 15. (Hint: think alpha carbon, first.) 1) Brz/Per 29 CHẠNH OH 16. React PhCH2CHO with hydroxide and provide its aldol-addition product. Then, apply heat to produce its final product 17. Perform the Claisen reaction using methyl phenylacetate. (6 pts) 18. React with methoxide, then heat. Be sure to show the intermediate carbanion, then the Dieckmann product. Finally, hydrolize and provide the final product. Cook CO.CH 1. NOCH 2. H,0
2. (1.5 Credits) a. One carbon in Compound A is an alpha carbon and beta carbon. Circle this carbon. b. Box the leaving group(s) in Compound A. If the leaving group is poor, how can it be made better? Br c. Compound A reacts with H SO4. Draw two possible intermediates of this reaction. Which intermediate most likely forms? Give reasons. d. One of your intermediates from part c forms Compound B. Use curved arrows to show how Compound B...
syntheses
7-12. Syntheses: provide the product(s): он РСС , но* CH,Cl2 Brz 1. Brz/PBrg OH 2. H20 NaOH/HO 1. NaOCH2CH3 2. H307 1. (CH3CH2CH2)2Culi 2. Hz0
1. Circle the two alpha carbons and box the two leaving groups in methamphetamine. methamphetamine 2. Methamphetamine reacts with Br. Draw structure of the two possible products. (Hint: nucleophile reacts at each alpha carbon) 3. Assume the secondary alpha carbon in methamphetamine undergoes loss of leaving group (first step of a SN1 mechanism). Draw the structure of the carbocation.
Question 38 Predict the major product for the following reaction. 1. Brz/PBr3 OH 2. H20 Br O Br OH OH Br II Br III IV Br I II III IV None of these
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