Homework Answers
in your structure one carbon is missing, therefore only it is wrong.
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Draw the structures of the aldol addition and condensation products of pentanal. Draw only one final...
Be sure to answer all parts. Can the aldol addition product of the aldehyde below undergo an aldol condensation reactio...
Be sure to answer all parts.
Can the aldol addition product of the aldehyde below undergo an
aldol condensation reaction? Why or why not?
If a reaction occurs, draw the structure of the aldol
condensation product. If not, write NR.
Be sure to answer all parts. Can the aldol addition product of the aldehyde below undergo an aldol condensation reaction? Why or why not? If a reaction occurs, draw the structure of the aldol condensation product. If not, write NR....
3. Draw all the aldol addition products that are formed when a mixture of acetaldehyde and...
3. Draw all the aldol addition products that are formed when a
mixture of acetaldehyde and pentanal is treated with aqueous sodium
hydroxide.
4. A reaction, such as described in question 3, which produces a
mixture of products is generally not useful for organic synthesis.
Suggest a change in the reaction starting materials for question 3
that would produce a single, similar product.
5. Draw a generic mechanism for aldol condensation.
6. The last step for an aldol condensation involves...
Provide a generic mechanism for an aldol condensation. DRAW structures for the 16 possible products.
Provide a generic mechanism for an aldol condensation. DRAW structures for the 16 possible products.
Draw the organic product(s) of this intramolecular aldol condensation reaction. Consider only the formation of 5-...
Draw the organic product(s) of this intramolecular aldol
condensation reaction. Consider only the formation of 5- and
6-membered rings.
base Draw the organic product(s) of this intramolecular aldol condensation reaction. Consider only the formation of 5-and 6 membered rings. You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. Do not include lone pairs in your answer. They will not be considered in the grading . Draw one structure per sketcher. Add additional sketchers...
Predict how many stereoisomeric aldol products will be produced in the following aldol addition. Draw the...
Predict how many stereoisomeric aldol products will be produced
in the following aldol addition. Draw the structures of all
the aldol products. Show all relevant sterochemistry.
NaoEVELOH aldol products 20 °C
What are the possible aldol condensation products and structures of the products from this list of...
What are the possible aldol condensation products and structures of
the products from this list of ketones and aldehydes?
Possible ketones: acetone, cyclopentanone, cyclohexanone, and 4-methylcyclohexanone, Possible aldehydes: benzaldehyde, 4-methylbenzaldehyde, 4-anisaldehyde, and trans cinnamaldehyde.
Draw a stepwise mechanism for the formation of the only possible aldol condensation product, using H2O...
Draw a stepwise mechanism for the formation of the only possible
aldol condensation product, using H2O as a proton source and OH- as
the base
Draw the ste puise mechanism for the Formation of the only possible aldo condensation produc+. ー2
Identify the electrophilic and nucleophilic carbons. Draw the B-hydroxy product of aldol condensation Draw the dehydration product of aldol condensation CHEMISTRY 204 CONDENSATION REACTIONS WORKSHEET...
Identify the electrophilic and nucleophilic carbons.
Draw the B-hydroxy product of aldol condensation
Draw the dehydration product of aldol condensation
CHEMISTRY 204 CONDENSATION REACTIONS WORKSHEET 1. For each of the reactions below: identify electrophilic and nucleophilic carbons draw the B-hydroxy product of aldol condensation . draw the dehydration product of aldol condensation. OH, H2O heat a) CH3CH2CHCH3CH2CH OH, H2O b) CH3CH2CH CH3CH2CH2CH heat еон, H2O heat CH OH, H2O d) heat CH3CH2CH OCH3, CH3OH H, H20 CH3CCH2CH2CH2CCH3 heat
CHEMISTRY 204...
1.Show the structures of possible products formed upon aldol self-condensation of cyclopentanone.
1.Show the structures of possible products formed upon aldol self-condensation of cyclopentanone.
Aldol Condensation Post-Lab Questions: 4. Provide skeletal structures of the aldol products that form when the...
Aldol Condensation Post-Lab Questions: 4. Provide skeletal structures of the aldol products that form when the following compoun mixtures of compounds are reacted under basic (NaOH) conditions: NaOH, H2O BARBA==== NaOH, H2O Page 139
Be sure to answer all parts.
Can the aldol addition product of the aldehyde below undergo an
aldol condensation reaction? Why or why not?
If a reaction occurs, draw the structure of the aldol
condensation product. If not, write NR.
Be sure to answer all parts. Can the aldol addition product of the aldehyde below undergo an aldol condensation reaction? Why or why not? If a reaction occurs, draw the structure of the aldol condensation product. If not, write NR....
3. Draw all the aldol addition products that are formed when a
mixture of acetaldehyde and pentanal is treated with aqueous sodium
hydroxide.
4. A reaction, such as described in question 3, which produces a
mixture of products is generally not useful for organic synthesis.
Suggest a change in the reaction starting materials for question 3
that would produce a single, similar product.
5. Draw a generic mechanism for aldol condensation.
6. The last step for an aldol condensation involves...
Draw the organic product(s) of this intramolecular aldol
condensation reaction. Consider only the formation of 5- and
6-membered rings.
base Draw the organic product(s) of this intramolecular aldol condensation reaction. Consider only the formation of 5-and 6 membered rings. You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. Do not include lone pairs in your answer. They will not be considered in the grading . Draw one structure per sketcher. Add additional sketchers...
Predict how many stereoisomeric aldol products will be produced
in the following aldol addition. Draw the structures of all
the aldol products. Show all relevant sterochemistry.
NaoEVELOH aldol products 20 °C
What are the possible aldol condensation products and structures of
the products from this list of ketones and aldehydes?
Possible ketones: acetone, cyclopentanone, cyclohexanone, and 4-methylcyclohexanone, Possible aldehydes: benzaldehyde, 4-methylbenzaldehyde, 4-anisaldehyde, and trans cinnamaldehyde.
Draw a stepwise mechanism for the formation of the only possible
aldol condensation product, using H2O as a proton source and OH- as
the base
Draw the ste puise mechanism for the Formation of the only possible aldo condensation produc+. ー2
Identify the electrophilic and nucleophilic carbons.
Draw the B-hydroxy product of aldol condensation
Draw the dehydration product of aldol condensation
CHEMISTRY 204 CONDENSATION REACTIONS WORKSHEET 1. For each of the reactions below: identify electrophilic and nucleophilic carbons draw the B-hydroxy product of aldol condensation . draw the dehydration product of aldol condensation. OH, H2O heat a) CH3CH2CHCH3CH2CH OH, H2O b) CH3CH2CH CH3CH2CH2CH heat еон, H2O heat CH OH, H2O d) heat CH3CH2CH OCH3, CH3OH H, H20 CH3CCH2CH2CH2CCH3 heat
CHEMISTRY 204...
Aldol Condensation Post-Lab Questions: 4. Provide skeletal structures of the aldol products that form when the following compoun mixtures of compounds are reacted under basic (NaOH) conditions: NaOH, H2O BARBA==== NaOH, H2O Page 139
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