Which of the following compounds does NOT serve as a donor in a Michael reaction? A....
Which of the following compounds does NOT serve as a donor in a Michael reaction?
| A. |
β-Keto ester |
|
| B. |
α-Keto nitrile |
|
| C. |
Malonic ester |
|
| D. |
β-Diketone |
Homework Answers
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Which of the following compounds does NOT serve as a donor in a
Michael reaction?
A....
Which of the following compounds are potentia acetic ester synthesis? ne rollowing compounds are "potential' targets...
Which of the following compounds are potentia acetic ester synthesis? ne rollowing compounds are "potential' targets for either the malonic ester or the aceto hem. For each of these, draw the structurels) of the alkylating agents and indicate if the compound could be made efficiently by this method. Select the best reagent system to prepare each of the following. Use a given method only once LO 00+ АО Hydrolysis of a nitrile made from a five-carbon alcohol Oxidative cleavage of...
Choose the correct answer and explain why you choose that answer. -Page 2 4. The Claisen...
Choose the correct answer and explain why you choose that
answer.
-Page 2 4. The Claisen condensation produces which of these? a- An α-keto ester b.AB-keto ester C, A β-hydroxy ester d. A B-hydroxyaldehyde e. A B-di ketone 5. Which compound could be prepared using a Michael reaction? 0 0 o 1 CCH3 СОС2HS a. I d. IV e. v Part 2 t. The product (s) of the reaction of 2 mol of ethyl butanoate sodium ethoxide is(are) : b....
Which of the following are Michael ACCEPTORS? aldehyde ketone ester amide nitrile nitro beta-diketone beta-ketoester beta-ketonitrile...
Which of the following are Michael ACCEPTORS? aldehyde ketone ester amide nitrile nitro beta-diketone beta-ketoester beta-ketonitrile beta-diester enamine amine QUESTION 2 Which of the following conditions will give you the thermodynamic product? 1.1 eq LDA 0.9 eq LDA QUESTION 3 Which of the following conditions will give you the kinetic product? 1.1 eq LDA 0.9 eq LDA QUESTION 4 Which of the following is the thermodynamic product? ОН о ОН о QUESTION 5 Which of the following is the kinetic...
How might the following compound be prepared using a Michael reaction? Draw both the Michael donor...
How might the following compound be prepared using a Michael reaction? Draw both the Michael donor and the Michael acceptor you would use. O NCH2 • You do not have to consider stereochemistry. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple reactants using the + sign from the drop-down menu. ChemDoodle
how to approach these reactions? 08. The following molecules can be formed by either: Michael Reaction;...
how
to approach these reactions?
08. The following molecules can be formed by either: Michael Reaction; Enamine Acylation; Acetoacetic Ester Synthesis; Michael Addition; Malonic Ester Synthesis; Robinson Annulation; Aldol Condensation; Claisen Condensation; Intramolecular Aldol Condensation; Dieckmann Condensation or a Combination of two of the above listed reaction. In each case write the proper of the reaction on the line and dissect the product into appropriate starting material. In some cases there might only be one starting material. You may use...
The Michael reaction is a conjugate addition reaction between a stable nucleophilic enolate ion (the donor)...
The Michael reaction is a conjugate addition reaction between a stable nucleophilic enolate ion (the donor) and an a,B-unsaturated carbonyl compound (the acceptor). Draw the structure of the product of the Michael reaction between 3-buten-2-one and 3-oxobutanenitrile. 0 ChemDoodle In progressit Answer Retry Entire Group 9 more group attempts remaining carbonyl compound The Michael reaction is a conjugate addition reaction between a stable nucleophilic enolate ion (the donor) and an a,P-unsaturated (the acceptor). Draw the structure of the product of...
28- The following molecules can be formed by either: Michael Reaction; Enamine Acylation; Acetoacetic Ester Synthesis;...
28- The following molecules can be formed by either: Michael Reaction; Enamine Acylation; Acetoacetic Ester Synthesis; Michael Addition; Malonic Ester Synthesis; Robinson Annulation; Aldol Condensation; Claisen Condensation; Intramolecular Aldol Condensation; Dieckmann Condensation or a Combination of two of the above listed reaction. In each case write the proper of the reaction on the line and dissect the product into appropriate starting material. In some cases there might only be one starting material. You may use any one of the above...
Post-lab questions (1) In a Michael reaction, an α carbon attacks the β carbon of an α,β-unsatura...
Post-lab questions (1) In a Michael reaction, an α carbon attacks the β carbon of an α,β-unsaturated carbonyl com pound to afford a 1,5-dicarbonyl compound. Ethyl acetoacetate has two a carbons: why does the a carbon sandwiched between the two carbonyls conduct the attack? Ph Ph 0 Ph Michael OCH2CH3 5 OCH2CH3 OCH2CH 0 This forms... ...not this: Why? (2) In a Robinson annulation, an α,β-unsaturated carbonyl compound reacts with a carbonyl compound to afford a (new) cyclic α,β-unsaturated ketone...
Section 4. Total points 26 1. Give one example of each of the following name reactions....
Section 4. Total points 26 1. Give one example of each of the following name reactions. For each reaction, you MUST INCLUDE: i) IUPAC Name of the reactant ii) IUPAC Name of the product iii) Reagents and reaction conditions (4points X 4 = 16 points) a. H.V.Z reaction b. Crossed aldol reaction between an aldehyde and a ketone 2-Propanone Benzaldehple c. Michael reaction between an a.ß unsaturated aldehyde and a B-diketone. d. Dieckman Condensation to have a cyclic product with...
Which of the following compounds are "potenti acetic ester synthesis? ollowing compounds are "potential' targets for...
Which of the following compounds are "potenti acetic ester synthesis? ollowing compounds are "potential' targets for either the malonic ester or the aceto m. For each of these, draw the structure(s) of the alkylating agents and indicate if the compound could be made efficiently by this method. o
Which of the following compounds are potentia acetic ester synthesis? ne rollowing compounds are "potential' targets for either the malonic ester or the aceto hem. For each of these, draw the structurels) of the alkylating agents and indicate if the compound could be made efficiently by this method. Select the best reagent system to prepare each of the following. Use a given method only once LO 00+ АО Hydrolysis of a nitrile made from a five-carbon alcohol Oxidative cleavage of...
Choose the correct answer and explain why you choose that
answer.
-Page 2 4. The Claisen condensation produces which of these? a- An α-keto ester b.AB-keto ester C, A β-hydroxy ester d. A B-hydroxyaldehyde e. A B-di ketone 5. Which compound could be prepared using a Michael reaction? 0 0 o 1 CCH3 СОС2HS a. I d. IV e. v Part 2 t. The product (s) of the reaction of 2 mol of ethyl butanoate sodium ethoxide is(are) : b....
Which of the following are Michael ACCEPTORS? aldehyde ketone ester amide nitrile nitro beta-diketone beta-ketoester beta-ketonitrile beta-diester enamine amine QUESTION 2 Which of the following conditions will give you the thermodynamic product? 1.1 eq LDA 0.9 eq LDA QUESTION 3 Which of the following conditions will give you the kinetic product? 1.1 eq LDA 0.9 eq LDA QUESTION 4 Which of the following is the thermodynamic product? ОН о ОН о QUESTION 5 Which of the following is the kinetic...
How might the following compound be prepared using a Michael reaction? Draw both the Michael donor and the Michael acceptor you would use. O NCH2 • You do not have to consider stereochemistry. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple reactants using the + sign from the drop-down menu. ChemDoodle
how
to approach these reactions?
08. The following molecules can be formed by either: Michael Reaction; Enamine Acylation; Acetoacetic Ester Synthesis; Michael Addition; Malonic Ester Synthesis; Robinson Annulation; Aldol Condensation; Claisen Condensation; Intramolecular Aldol Condensation; Dieckmann Condensation or a Combination of two of the above listed reaction. In each case write the proper of the reaction on the line and dissect the product into appropriate starting material. In some cases there might only be one starting material. You may use...
The Michael reaction is a conjugate addition reaction between a stable nucleophilic enolate ion (the donor) and an a,B-unsaturated carbonyl compound (the acceptor). Draw the structure of the product of the Michael reaction between 3-buten-2-one and 3-oxobutanenitrile. 0 ChemDoodle In progressit Answer Retry Entire Group 9 more group attempts remaining carbonyl compound The Michael reaction is a conjugate addition reaction between a stable nucleophilic enolate ion (the donor) and an a,P-unsaturated (the acceptor). Draw the structure of the product of...
28- The following molecules can be formed by either: Michael Reaction; Enamine Acylation; Acetoacetic Ester Synthesis; Michael Addition; Malonic Ester Synthesis; Robinson Annulation; Aldol Condensation; Claisen Condensation; Intramolecular Aldol Condensation; Dieckmann Condensation or a Combination of two of the above listed reaction. In each case write the proper of the reaction on the line and dissect the product into appropriate starting material. In some cases there might only be one starting material. You may use any one of the above...
Post-lab questions (1) In a Michael reaction, an α carbon attacks the β carbon of an α,β-unsaturated carbonyl com pound to afford a 1,5-dicarbonyl compound. Ethyl acetoacetate has two a carbons: why does the a carbon sandwiched between the two carbonyls conduct the attack? Ph Ph 0 Ph Michael OCH2CH3 5 OCH2CH3 OCH2CH 0 This forms... ...not this: Why? (2) In a Robinson annulation, an α,β-unsaturated carbonyl compound reacts with a carbonyl compound to afford a (new) cyclic α,β-unsaturated ketone...
Section 4. Total points 26 1. Give one example of each of the following name reactions. For each reaction, you MUST INCLUDE: i) IUPAC Name of the reactant ii) IUPAC Name of the product iii) Reagents and reaction conditions (4points X 4 = 16 points) a. H.V.Z reaction b. Crossed aldol reaction between an aldehyde and a ketone 2-Propanone Benzaldehple c. Michael reaction between an a.ß unsaturated aldehyde and a B-diketone. d. Dieckman Condensation to have a cyclic product with...
Which of the following compounds are "potenti acetic ester synthesis? ollowing compounds are "potential' targets for either the malonic ester or the aceto m. For each of these, draw the structure(s) of the alkylating agents and indicate if the compound could be made efficiently by this method. o
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