Which one of these carbonyl compounds can not undergo aldol condensation with it self? Organometallic compounds...
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...
Give the starting carbonyl compounds needed to prepare the following compounds through an aldol condensation. 4. b. CaHs c. d.
36. Which of the following compounds is able to undergo a self-aldol condensation? A. phenylethanal B. formaldehyde C. benzaldehyde D. 2,2-dimethylpropanal 37. The best synthesis of 1,4-dimethyl-2-nitrobenzene is: A. Benzene 1. HNO3, H2SO4 2. 2 CH,CI, 2 AICI: 1. HNO3, H2SO4 2. CH3CI, AICI: HNO3, H2SO4 B. toluene C. p-xylene D.m-nitrotoluene CH3CI, AICI: 38. Which of these is the most reliable way to make 3-heptene? A. CH,CH,CHBECH,CH,CH,CH3 + NaOCH3, heat B. CH3CH2CH-0 + Ph3P-CHCH,CH.CH C. CH CH CHOHCH2CH2CH2CH3 + H2SO4,...
5) Why is the Aldol reaction often called an Aldol condensation? A) The initially formed b-hydroxy carbonyl compound loses water B) The initially formed b-hydroxy carbonvl compound loses an oxygen atom. C) The initially formed b-hydroxy carbonyl compound loses a hydrogen atom D) The initially formed b-hydroxy carbonyl compound loses a hydroxyl group. 6) When is a crossed Aldol reaction said to be synthetically useful? A) When both carbonyl compounds have a hydrogens B) When one carbonyl compound has no...
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
which of the following molecules cannot undergo an intramolecular aldol condensation when treated with NaOH Which of the following molecules cannot undergo an intramolecular aldol condensation when treated with NaOH
question in picture Which of the following compounds can react with benzaldehyde in an aldol condensation? Benzaldehyde H H
3) The following compounds can be made by either an Aldol or a Claisen condensation. In each case, indicate whether the product is as result of an Aldol or a Claisen condensation AND then draw the appropriate starting material(s) that would be used to form the product. OEt (B) (D) O Et
1) Which of the following molecules would not undergo an aldol condensation with itself? Circle each that apply (3 points) CH, OCH, H 2) How could the following crossed-aldol condensation be performed to obtain the product selectively? Devise a method, and detail what to do in the lab below. Also include a full mechanism. (5 points) S. 7-8 4) Provide a complete, electron-pushing mechanism for the reactions shown below (7 points each) (1) "omo (2) H30 HOCI
14 Which of the following compounds can react with benzaldehyde in an aldol condensation? ge 8: Benzaldehyde 16 Question 15 Unsaved age 9 17 18 Page 10 19 20 os Page 11 Type here to search o a hp $ 2 3 5 8 E R