Describe aldol condensation reactions generally and mixed aldol reactions specifically.
Describe aldol condensation reactions generally and mixed aldol reactions specifically.
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...
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...
Describe the synthesis preparation of Aldol condensation products
5. Give the products for the following aldol reactions.6. Cinnamaldehyde can be synthesized by a mixed aldol condensation reaction. Show the starting materials you would use and write out the reaction mechanism.
la) Consider the mixed aldol condensation reaction of 1-methylcyclopentane-1-carbaldehyde (shown below) and 3,3-dimethyl-2-butanone (shown below) in the presence of sodium hydroxide Provide the expected major MIXED aldol condensation product for this reaction (can exist as E or Z isomer so you can draw either) b) Would you have to heat the reaction mixture in order for the reaction to form the aldol condensation product? Why or wh y not? 2) Consider the mixed aldol condensation reaction of 3,3-dimethyl-2-butanone (shown in...
1. Each of the following compounds can be prepared by a mixed aldol condensation reaction. Give the structures of the aldehyde and/or ketone precursors for each aldol product, identifying the electrophilic partner and nucleophilic partner. (6 Points) Electrophilic partner Nucleophilic partner Electrophilic partner Nucleophilic partner Electrophilic partner Nucleophilic partner
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!
D Question 6 5p Compound 6, below is the product of which reaction: A mixed Aldol reaction between benzaldehyde and acetone O Amixed Aldol condensation between cyclohexanone and formaldehyde A mixed Aldol reaction between cyclohexanone and acetaldehyde A mixed Aldol condensation between cycloheptanone and formaldehyde
3. In an article titled "Highly Selective Aldol Condensation Using Amine- functionalized SiO2-A1203 Mixed oxide under Solvent-free Condition” (Ref: A, Alireza et al, Chin. J. Chem. 2010, 28, 2074—2082. https://doi.org/10.1002/cjoc.201090346), it was reported that the jasminaldehyde vde (compound AA) was more preferentially produced than compound BB in aldol condensation reactions at various conditions. + o CHO 110 °C Compound AA Compound BB + & catalyst Temperature/C Conversion% Selectivity/% Jasminaldehyde (AA) 2-Pentyl-non-2-enal(BB) 25 63 100 50 80 99 1 3 80...
Which of the following compounds is LEAST likely to undergo a mixed aldol condensation with 2-propanone in high yield. OA HCHO о (сHз) ссно осHзсно o Pһсно 1. PhCOCI, AICI: 2. KMnO4, H20 3. Brz, FeBry COH What is the final product in the following quence? 0000