Homework Answers
In presence of base acidic alpha hydrogen of the carbonyl group is removed and the carbon nucleophile is formed. This carbon nucleophile gives nucleophilic substitution reaction with an ester group by addition elimination mechanism.
There are two types of an alpha hydrogen atom to carbonyl groups, thus two calisen condensation products are possible.
Reactions are given in the image below.
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6. Give all possible structures of the product (C20H1203) formed by intramolecular Claisen condensation of the...
synthesis show how the immune could be prepared from benzene propanoic acid and dimethylamine. More than...
synthesis show how the immune could be prepared from benzene
propanoic acid and dimethylamine. More than one synthetic
transformation will be necessary
give all possible structures of the product C 10 H 1203 form
by intermolecular placing condensation of the keto Ester shown
below
ps * Bookmarks Gmail YouTube Maps Ch15: Oxidation o. 5. Synthesis: Show how the amine could be prepared from benzene, propanoic acid and dimethyl amine. More than one synthetic transformation will be necessary. You have unlimited...
5. Synthesis: Show how the amine could be prepared from benzene, propanoic acid and dimethyl amine....
5. Synthesis: Show how the amine could be prepared from benzene, propanoic acid and dimethyl amine. More than one synthetic transformation will be necessary. You have unlimited access to any inorganic reagent. Он and and 6. Give all possible structures of the product (C20H1203) formed by intramolecular Claisen condensation of the keto-ester shown below. 1. NaOH 2. H30 Page 3 of 4
The Claisen condensation converts 2 molecules of an ester into a ?-keto ester. The reaction starts...
The Claisen condensation converts 2 molecules of an ester into a
?-keto ester. The reaction starts with the ester in an
alkoxide/alcohol solution and is worked up with acid to form the
neutral ?-keto ester product.
Please show what goes in each box!! What I put shown below are
all incorrect.
The Claisen condensation converts 2 molecules of an ester into a β-keto ester. The reaction starts with the ester in an alkoxide/alcohol solution and is worked up with acid...
The compound shown below is the product of a Claisen condensation. Draw structural formulas for the...
The compound shown below is the product of a Claisen condensation. Draw structural formulas for the reactants: ester and enolate ion. H Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol or enone below Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below. Он
Two questions about Claisen Condensation: 1) Why is Claisen Condensation not catalytic? 2) You form the...
Two questions about Claisen Condensation: 1) Why is Claisen Condensation not catalytic? 2) You form the beta-keto ester 2 times. Add acid at the last step to form the 2nd beta-keto ester. Why?
Each compound below undergoes a Dieckmann Condensation (Intramolecular Claisen). Predict the major product(s) for each. Some...
Each compound below undergoes a Dieckmann Condensation (Intramolecular Claisen). Predict the major product(s) for each. Some reactions may yield multiple products. 5) 1. NaOMe MeOH 2. H workup
The Claisen condensation converts 2 molecules of an ester into a β-keto ester. The reaction starts...
The Claisen condensation converts 2 molecules of an ester into a
β-keto ester. The reaction starts with the ester in an
alkoxide/alcohol solution and is worked up with acid to form the
neutral β-keto ester product.
2. There are several possible cyclization products that might be formed when 5-methyl-6-oxoheptanal undergoes intramolecular aldol...
2. There are several possible cyclization products that might be formed when 5-methyl-6-oxoheptanal undergoes intramolecular aldol condensation in presence of ethoxide. Draw the structures of all these possible products. Comment on which of these is likely to be the major product, clearly explaining your rationale. Answer:
2. There are several possible cyclization products that might be formed when 5-methyl-6-oxoheptanal undergoes intramolecular aldol...
2. There are several possible cyclization products that might be formed when 5-methyl-6-oxoheptanal undergoes intramolecular aldol condensation in presence of ethoxide. Draw the structures of all these possible products. Comment on which of these is likely to be the major product, clearly explaining your rationale. Answer:
2. There are several possible cyclization products that might be formed when 5-methyl-6-oxoheptanal undergoes intramolecular aldol...
2. There are several possible cyclization products that might be formed when 5-methyl-6-oxoheptanal undergoes intramolecular aldol condensation in presence of ethoxide. Draw the structures of all these possible products. Comment on which of these is likely to be the major product, clearly explaining your rationale. Answer:
synthesis show how the immune could be prepared from benzene
propanoic acid and dimethylamine. More than one synthetic
transformation will be necessary
give all possible structures of the product C 10 H 1203 form
by intermolecular placing condensation of the keto Ester shown
below
ps * Bookmarks Gmail YouTube Maps Ch15: Oxidation o. 5. Synthesis: Show how the amine could be prepared from benzene, propanoic acid and dimethyl amine. More than one synthetic transformation will be necessary. You have unlimited...
5. Synthesis: Show how the amine could be prepared from benzene, propanoic acid and dimethyl amine. More than one synthetic transformation will be necessary. You have unlimited access to any inorganic reagent. Он and and 6. Give all possible structures of the product (C20H1203) formed by intramolecular Claisen condensation of the keto-ester shown below. 1. NaOH 2. H30 Page 3 of 4
The Claisen condensation converts 2 molecules of an ester into a
?-keto ester. The reaction starts with the ester in an
alkoxide/alcohol solution and is worked up with acid to form the
neutral ?-keto ester product.
Please show what goes in each box!! What I put shown below are
all incorrect.
The Claisen condensation converts 2 molecules of an ester into a β-keto ester. The reaction starts with the ester in an alkoxide/alcohol solution and is worked up with acid...
The compound shown below is the product of a Claisen condensation. Draw structural formulas for the reactants: ester and enolate ion. H Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol or enone below Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below. Он
Each compound below undergoes a Dieckmann Condensation (Intramolecular Claisen). Predict the major product(s) for each. Some reactions may yield multiple products. 5) 1. NaOMe MeOH 2. H workup
The Claisen condensation converts 2 molecules of an ester into a
β-keto ester. The reaction starts with the ester in an
alkoxide/alcohol solution and is worked up with acid to form the
neutral β-keto ester product.
2. There are several possible cyclization products that might be formed when 5-methyl-6-oxoheptanal undergoes intramolecular aldol condensation in presence of ethoxide. Draw the structures of all these possible products. Comment on which of these is likely to be the major product, clearly explaining your rationale. Answer:
2. There are several possible cyclization products that might be formed when 5-methyl-6-oxoheptanal undergoes intramolecular aldol condensation in presence of ethoxide. Draw the structures of all these possible products. Comment on which of these is likely to be the major product, clearly explaining your rationale. Answer:
2. There are several possible cyclization products that might be formed when 5-methyl-6-oxoheptanal undergoes intramolecular aldol condensation in presence of ethoxide. Draw the structures of all these possible products. Comment on which of these is likely to be the major product, clearly explaining your rationale. Answer:
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