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QUESTION 33 2 points ($18.7) What is the product of the following crossed aldol condensation? (Complete...
Provide the product for each of the following non-crossed aldol reactions. 1. Provide the product for...
Provide the product for each of the following non-crossed aldol
reactions.
1. Provide the product for each of the following non-crossed aldol reactions. (10 pts) 1. NaOH 2. H+ 1. Na O Me Me Me Me Me 2. H+ 1. NaOH 2. H+ Me 1. NaOET Me Me 2. H+ 1. NaOEt 2. H+ Me
For the following crossed aldol reactions, provide the product 2. For the following crossed aldol reactions,...
For the following crossed aldol reactions, provide the
product
2. For the following crossed aldol reactions, provide the product. (15 pts) 2. LDA 2. Me MeMe Me Me 3.H+ 1. LDA 2. Me Me 3. H+ 1. LDA 2. MeH 3. H+ 1. LDA H Me Me Me 3. H+ 1. LDA “ и Me Me H Me 3. H+
Aldol Condensation: 1) What is the purpose of using NaOH solution in this Aldol condensation? 2)...
Aldol Condensation: 1) What is the purpose of using NaOH solution in this Aldol condensation? 2) Why acetic acid is used to wash the solid on the fiter? 3) Draw the structure of the product from the reaction: NaOH H +Acetone in ethanol
Which of the following pairs of compounds would give the most successful crossed aldol condensation when...
Which of the following pairs of compounds would give the most successful crossed aldol condensation when combined in the presence of a strong base? (Note: by "successful" we mean that the reaction 1) actually works, and 2) gives only a single aldol condensation product.) Pair A: and Bu Ph H н Pair B: and Ph н н Pair C: and OMe Ph and Pair D: Pair C Pair A Pair D Pair B
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...
Question 2 2 pts Predict the major product of the following crossed aldol condensation. CHO 1....
Question 2 2 pts Predict the major product of the following crossed aldol condensation. CHO 1. NaOEt; EtOH 2. H20, A Ph a Od Ob O O oc Оа
2) Consider the mixed aldol condensation reaction of 1-(1-methyleyclopentyl ethanone (shown in question 1) and propiophenone...
2) Consider the mixed aldol condensation reaction of 1-(1-methyleyclopentyl ethanone (shown in question 1) and propiophenone (shown below). Two major MIXED aldol condensation poducts arise from this reaction (shown below, labeled A and B) If you wish to form product B, to which starting carbonyl would you add a strong base such as LDA in order to form the enolate? Which carbonyl would you then add slowly to the enolate of the first carbony!
How to solve question 2 to question 5. 2. Why does the mixed aldol condensation, producing...
How to solve question 2 to question 5.
2. Why does the mixed aldol condensation, producing benzalacetophenone is the main reaction in this experiment and NOT both other possible reactions; acetophenone condensation and Cannizzaro benzaladehyde reaction? 3. Propose a reason to explain the statement that the trans-benzalacctophenone isomer is the major product in aldol condensation 4, Explain why the main product from the bromine addition to the trans-acetophenone is crythro-dibromide 5. Write a mechanism for the addition of aniline to...
#4 which of the following represent the final product of the below aldol condensation reaction ?...
#4 which of the following represent the final product of the
below aldol condensation reaction ? the IR of the product does not
have a broad peak around 3300 wavenumbers
Which intermediates are formed during the mechanism of the below reaction? Select all that apply. 2 й — ДА . с . CH_CH3 \ 2. То No ті о он g / H,с сну Нас сн, о - — -- H₃C CH₂ Question 2 2 pts In the above reaction,...
Lab : Aldol Condensation Purpose. In this lab you will conduct the Aldol condensation reaction under solid-state...
Lab : Aldol Condensation Purpose. In this lab you will conduct the Aldol condensation reaction under solid-state reaction conditions that will involve grinding reactants in the solid phase. You must read ahead and learn about this reaction and the chemical mechanism for the Aldol condensation. There are two possible products which are the initial Aldol or subsequent elimination product. You will need to isolate and purify your reaction product. You will use your melting point, IR, 1H and 13C NMR spectra to...
Provide the product for each of the following non-crossed aldol
reactions.
1. Provide the product for each of the following non-crossed aldol reactions. (10 pts) 1. NaOH 2. H+ 1. Na O Me Me Me Me Me 2. H+ 1. NaOH 2. H+ Me 1. NaOET Me Me 2. H+ 1. NaOEt 2. H+ Me
For the following crossed aldol reactions, provide the
product
2. For the following crossed aldol reactions, provide the product. (15 pts) 2. LDA 2. Me MeMe Me Me 3.H+ 1. LDA 2. Me Me 3. H+ 1. LDA 2. MeH 3. H+ 1. LDA H Me Me Me 3. H+ 1. LDA “ и Me Me H Me 3. H+
Aldol Condensation: 1) What is the purpose of using NaOH solution in this Aldol condensation? 2) Why acetic acid is used to wash the solid on the fiter? 3) Draw the structure of the product from the reaction: NaOH H +Acetone in ethanol
Which of the following pairs of compounds would give the most successful crossed aldol condensation when combined in the presence of a strong base? (Note: by "successful" we mean that the reaction 1) actually works, and 2) gives only a single aldol condensation product.) Pair A: and Bu Ph H н Pair B: and Ph н н Pair C: and OMe Ph and Pair D: Pair C Pair A Pair D Pair B
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...
Question 2 2 pts Predict the major product of the following crossed aldol condensation. CHO 1. NaOEt; EtOH 2. H20, A Ph a Od Ob O O oc Оа
2) Consider the mixed aldol condensation reaction of 1-(1-methyleyclopentyl ethanone (shown in question 1) and propiophenone (shown below). Two major MIXED aldol condensation poducts arise from this reaction (shown below, labeled A and B) If you wish to form product B, to which starting carbonyl would you add a strong base such as LDA in order to form the enolate? Which carbonyl would you then add slowly to the enolate of the first carbony!
How to solve question 2 to question 5.
2. Why does the mixed aldol condensation, producing benzalacetophenone is the main reaction in this experiment and NOT both other possible reactions; acetophenone condensation and Cannizzaro benzaladehyde reaction? 3. Propose a reason to explain the statement that the trans-benzalacctophenone isomer is the major product in aldol condensation 4, Explain why the main product from the bromine addition to the trans-acetophenone is crythro-dibromide 5. Write a mechanism for the addition of aniline to...
#4 which of the following represent the final product of the
below aldol condensation reaction ? the IR of the product does not
have a broad peak around 3300 wavenumbers
Which intermediates are formed during the mechanism of the below reaction? Select all that apply. 2 й — ДА . с . CH_CH3 \ 2. То No ті о он g / H,с сну Нас сн, о - — -- H₃C CH₂ Question 2 2 pts In the above reaction,...
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