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17. Perform a crossed Claisen condensation reaction with methyl benzoate and cyclohexanone under basic conditions.
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.
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...
Give the structure of the product resulting from this crossed Claisen condensation and show the mechanism...
Give the structure of the product resulting from this crossed Claisen condensation and show the mechanism of its formation (be sure to indicate which step is the driving force of the reaction):
1. Draw a mechanism for the following Aldol condensation reaction under basic conditions, including the formation...
1. Draw a mechanism for the following Aldol condensation reaction under basic conditions, including the formation of the enolate. Please include ALL lone pair electrons, formal charges, and stereo/regiochemistry whenever applicable. 1) LDA, H2O 2) LAH 2. Draw a mechanism for the following Dieckmann reaction under basic conditions, including the formation of the enolate. Please include ALL lone pair electrons, formal charges, and stereo/regiochemistry whenever applicable. 1) NaOEt 2) Hзо* OEt 3. Draw a mechanism for the following alkylation reaction...
QUESTION 1 Synthesize 3-methyl-1-phenyl-1-butanone from benzoic acid using a Claisen condensation Attach File Browse My Computer...
QUESTION 1 Synthesize 3-methyl-1-phenyl-1-butanone from benzoic acid using a Claisen condensation Attach File Browse My Computer Browse Content Collection QUESTION 2 What is the product of ethyl benzoate and ethyl-2-phenylacetate with NaOEU/EtOH followed by acid workup? Attach File Browse My Computer Browse Content Collection QUESTION 3 "Using an enamine, convert acetophenone to 1-phenylbutane-1,3-dione" Attach File Browse My Computer Browse Content Collection QUESTION 4 What's the best base to use for this reaction? NOTE: Reagents are missing. CO2Et EtOK MeOK
QUESTION 1 Which of the following will not undergo an aldol condensation reaction? butanal C 2-methylbutanal...
QUESTION 1 Which of the following will not undergo an aldol condensation reaction? butanal C 2-methylbutanal C 2,2-dimethylbutanal 3,3-dimethyl-2-butanone QUESTION 2 Which of the following constitutes a difference between an aldol and a Claisen condensation? basic conditions Ctetrahedral intermediate Cenolate ion formation protonation of the intermediate QUESTION 3 The product of an aldol condensation reaction is generally favored if Can unsymmetrical ketone and aldehyde are used Can unsymmetrical ester and ketone are used Cone of the carbonyl partners contains no...
When the following half reaction is balanced under basic conditions, what are the coefficients of the...
When the following half reaction is balanced under basic conditions, what are the coefficients of the species shown? B+ OH — H2B03 + H20 In the above half reaction, the oxidation state of boron changes from to - . When the following half reaction is balanced under basic conditions, what are the coefficients of the species shown? C103+ H2O →_cr+ OH In the above half reaction, the oxidation state of chlorine changes from __ to __
Balance the following half-reaction under basic conditions. PO3− → PH3
Balance the following half-reaction under basic conditions. PO3− → PH3
The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. H2B03+...
The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. H2B03+ Br—>B + Br2 Reactants Products The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. S+Cr —+52- + ClO3- Reactants Products keletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half The follow reaction. MnO2 + Ni(OH)2—>Mn(OH)2 + NiO2 Reactants Products
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.
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...
Give the structure of the product resulting from this crossed Claisen condensation and show the mechanism of its formation (be sure to indicate which step is the driving force of the reaction):
1. Draw a mechanism for the following Aldol condensation reaction under basic conditions, including the formation of the enolate. Please include ALL lone pair electrons, formal charges, and stereo/regiochemistry whenever applicable. 1) LDA, H2O 2) LAH 2. Draw a mechanism for the following Dieckmann reaction under basic conditions, including the formation of the enolate. Please include ALL lone pair electrons, formal charges, and stereo/regiochemistry whenever applicable. 1) NaOEt 2) Hзо* OEt 3. Draw a mechanism for the following alkylation reaction...
QUESTION 1 Synthesize 3-methyl-1-phenyl-1-butanone from benzoic acid using a Claisen condensation Attach File Browse My Computer Browse Content Collection QUESTION 2 What is the product of ethyl benzoate and ethyl-2-phenylacetate with NaOEU/EtOH followed by acid workup? Attach File Browse My Computer Browse Content Collection QUESTION 3 "Using an enamine, convert acetophenone to 1-phenylbutane-1,3-dione" Attach File Browse My Computer Browse Content Collection QUESTION 4 What's the best base to use for this reaction? NOTE: Reagents are missing. CO2Et EtOK MeOK
QUESTION 1 Which of the following will not undergo an aldol condensation reaction? butanal C 2-methylbutanal C 2,2-dimethylbutanal 3,3-dimethyl-2-butanone QUESTION 2 Which of the following constitutes a difference between an aldol and a Claisen condensation? basic conditions Ctetrahedral intermediate Cenolate ion formation protonation of the intermediate QUESTION 3 The product of an aldol condensation reaction is generally favored if Can unsymmetrical ketone and aldehyde are used Can unsymmetrical ester and ketone are used Cone of the carbonyl partners contains no...
When the following half reaction is balanced under basic conditions, what are the coefficients of the species shown? B+ OH — H2B03 + H20 In the above half reaction, the oxidation state of boron changes from to - . When the following half reaction is balanced under basic conditions, what are the coefficients of the species shown? C103+ H2O →_cr+ OH In the above half reaction, the oxidation state of chlorine changes from __ to __
The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. H2B03+ Br—>B + Br2 Reactants Products The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. S+Cr —+52- + ClO3- Reactants Products keletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half The follow reaction. MnO2 + Ni(OH)2—>Mn(OH)2 + NiO2 Reactants Products
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