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11. The Claisen condensation of which of these esters demands the use of (CH),CNa as the...
explanation 12. Which one of the lowing esters gives the Claisen condensation product shown below? gives...
explanation
12. Which one of the lowing esters gives the Claisen condensation product shown below? gives the OEt A. ethyl 2-methylpentanoate B. ethyl 4-methylpentanoate C. ethyl 3,3-dimethylbutanoate D. ethyl 5-methylhexanoate
show what esters would undergo claisen condensation to give the following -keto esters Part A O...
show what esters would undergo claisen condensation to give
the following -keto esters
Part A O C o CH3CH2CH2 CH,CH, -CH-Ö-OCH,CH; Draw the molecule(s) on the canvas by choosing buttons from the H: 120 EXP on a + 131 A MasteringChemistry: Chapter 22... There is the followin =O O Ph-CH2-C Ph-CH-C-OCH, Draw the molecule(s) on the canvas by choosing buttons ® H20 EXP CONT B + - gooood Submit Request Answer Part C O O II (CH3)2CHCH2-C-CH-C-OEt CH(CH3)2 Draw the...
organic chemistry. why is CH3ONa not used in the claisen condensation of ethyl acetate 12. Why...
organic chemistry. why is CH3ONa not used in the claisen
condensation of ethyl acetate
12. Why is CH3ONa not used in the Claisen condensation of ethyl acetate? a. CH30 is a weaker base than the CH3CH20-which is used. b. CH3O- Nat is more difficult to prepare than CH3CH2O Nat. c. CH3O- would abstract a proton from the ethyl group of the ester. d. Use of CH,O- Na would result in transesterification e. CH,O- Na can be used as well as...
b)) 1.6 X 10 HePO4 c) 5.0 x 10-6 d) 1.4 x 10-11 e) There is no way to know HF SF CH,000H CH.000 H2CO32 HCO3 HS HS 1...
b)) 1.6 X 10 HePO4 c) 5.0 x 10-6 d) 1.4 x 10-11 e) There is no way to know HF SF CH,000H CH.000 H2CO32 HCO3 HS HS 1. Which of the following is a PRODUCT-FAVORED reaction? a) H2PO4 + HF + F + H3PO4 b) H2CO3+ - + HCO3- + HF c) CH3COOH + HS--> H2S + CH3COO- d) All of the above e) None of the above Acid Strength Base Strer Question 11
1. Which of the compounds listed below would produce the following aldol condensation product? 2. Which...
1. Which of the compounds listed below would produce
the following aldol condensation product?
2. Which is not a product of the claisen condensation
of ethyl ethanoate and ethyl butanoate?
3. A claisen-schmidt reaction shown below, is an
important step in the commercial synthesis of Vitamin A: what type
of reaction is the claisen- Schmidt?
4. Which of the following statements is true about the
anion formed from the reaction of diethyl malonate with sodium
ethoxide?
please help
A. cycloh...
can someone answer these 3 questions? 1. What type of reaction can the following molecule have?...
can someone answer these 3 questions?
1. What type of reaction can the following molecule have? A. Michael Addition B. 1,4 Addition C. 1,2 Addition D. Both A and B E. All of the above 2. What is the Claisen Condensation? A. Aldol Condensation of aldehydes B. Aldol Condensation of Ketones C. Aldol Condensation of Esters D. Both A and B E. None of the above 3. Which class of compounds will have the higher boiling points? A. Aldehydes B....
33. The following reaction is an example of_ A) aldol condensation ?? OE: B) Claisen condensation...
33. The following reaction is an example of_ A) aldol condensation ?? OE: B) Claisen condensation C) D) Robinson annulation 4. Dieckmann condensation 34. Which of the following compounds are socondary (29) amines? A) 1 and 2 B) 1 and 3 C) 1, 2 and 3 D) 1, 2, 3 and 4 35. What is the correct assignment of the names of the functional groups compounds? in the following nitrogen-containing A) 1 - imine; 2-hydrazone; 3- amide B) 1-2 amine;...
In its simplest form the Claisen condensation involves the enolate anion of an ester behaving as...
In its simplest form the Claisen condensation involves the enolate anion of an ester behaving as a nucleophile towards a neutral molecule of the same ester. Illustrate the mechanism of the reaction using ethyl acetate, CH3CO2CH2CH3, as the ester. [5 marks] (b) What base would you use in the reaction ? Explain your choice. [2 marks] Name and give the formula of a reagent that you could use to convert benzyl alcohol, C6H5CH2OH, into benzaldehyde, C6H5CHO. In the carbonyl group,...
Can I have help with these four question? thanks in advance! 22. Robeson Annulation reaction has...
Can I have help with these four question? thanks in
advance!
22. Robeson Annulation reaction has what type of mechanism? A. Aldol Condensation B. Dieckman Condensation C. Michael Addition followed by Aldol condensation D. Both A and B E. none of the above 23. What type of reaction can the following molecule have? A. Michael Addition B. 1.4 Addition C. 1,2 Addition D. Both A and B E. All of the above 24. What is the Claisen Condensation? ownWS A....
5.) 5 the goldd reach Section 2 Pro 32. A B-keto ester is a product in...
5.) 5 the goldd reach Section 2 Pro 32. A B-keto ester is a product in which of the following reactions? A) Aldol condensation B) Claisen condensation C) Dieckmann condensation D) Robinson annulation E) Michael addition Section 17-13 33. An a,ß-unsaturated ketone is a product in which of the following reactions? A) Aldol condensation B) Claisen condensation C) Diekmann condensation D) Robinson annulation E) Michael addition Section 17-11 addition when mixed with base?
explanation
12. Which one of the lowing esters gives the Claisen condensation product shown below? gives the OEt A. ethyl 2-methylpentanoate B. ethyl 4-methylpentanoate C. ethyl 3,3-dimethylbutanoate D. ethyl 5-methylhexanoate
show what esters would undergo claisen condensation to give
the following -keto esters
Part A O C o CH3CH2CH2 CH,CH, -CH-Ö-OCH,CH; Draw the molecule(s) on the canvas by choosing buttons from the H: 120 EXP on a + 131 A MasteringChemistry: Chapter 22... There is the followin =O O Ph-CH2-C Ph-CH-C-OCH, Draw the molecule(s) on the canvas by choosing buttons ® H20 EXP CONT B + - gooood Submit Request Answer Part C O O II (CH3)2CHCH2-C-CH-C-OEt CH(CH3)2 Draw the...
organic chemistry. why is CH3ONa not used in the claisen
condensation of ethyl acetate
12. Why is CH3ONa not used in the Claisen condensation of ethyl acetate? a. CH30 is a weaker base than the CH3CH20-which is used. b. CH3O- Nat is more difficult to prepare than CH3CH2O Nat. c. CH3O- would abstract a proton from the ethyl group of the ester. d. Use of CH,O- Na would result in transesterification e. CH,O- Na can be used as well as...
b)) 1.6 X 10 HePO4 c) 5.0 x 10-6 d) 1.4 x 10-11 e) There is no way to know HF SF CH,000H CH.000 H2CO32 HCO3 HS HS 1. Which of the following is a PRODUCT-FAVORED reaction? a) H2PO4 + HF + F + H3PO4 b) H2CO3+ - + HCO3- + HF c) CH3COOH + HS--> H2S + CH3COO- d) All of the above e) None of the above Acid Strength Base Strer Question 11
1. Which of the compounds listed below would produce
the following aldol condensation product?
2. Which is not a product of the claisen condensation
of ethyl ethanoate and ethyl butanoate?
3. A claisen-schmidt reaction shown below, is an
important step in the commercial synthesis of Vitamin A: what type
of reaction is the claisen- Schmidt?
4. Which of the following statements is true about the
anion formed from the reaction of diethyl malonate with sodium
ethoxide?
please help
A. cycloh...
can someone answer these 3 questions?
1. What type of reaction can the following molecule have? A. Michael Addition B. 1,4 Addition C. 1,2 Addition D. Both A and B E. All of the above 2. What is the Claisen Condensation? A. Aldol Condensation of aldehydes B. Aldol Condensation of Ketones C. Aldol Condensation of Esters D. Both A and B E. None of the above 3. Which class of compounds will have the higher boiling points? A. Aldehydes B....
33. The following reaction is an example of_ A) aldol condensation ?? OE: B) Claisen condensation C) D) Robinson annulation 4. Dieckmann condensation 34. Which of the following compounds are socondary (29) amines? A) 1 and 2 B) 1 and 3 C) 1, 2 and 3 D) 1, 2, 3 and 4 35. What is the correct assignment of the names of the functional groups compounds? in the following nitrogen-containing A) 1 - imine; 2-hydrazone; 3- amide B) 1-2 amine;...
Can I have help with these four question? thanks in
advance!
22. Robeson Annulation reaction has what type of mechanism? A. Aldol Condensation B. Dieckman Condensation C. Michael Addition followed by Aldol condensation D. Both A and B E. none of the above 23. What type of reaction can the following molecule have? A. Michael Addition B. 1.4 Addition C. 1,2 Addition D. Both A and B E. All of the above 24. What is the Claisen Condensation? ownWS A....
5.) 5 the goldd reach Section 2 Pro 32. A B-keto ester is a product in which of the following reactions? A) Aldol condensation B) Claisen condensation C) Dieckmann condensation D) Robinson annulation E) Michael addition Section 17-13 33. An a,ß-unsaturated ketone is a product in which of the following reactions? A) Aldol condensation B) Claisen condensation C) Diekmann condensation D) Robinson annulation E) Michael addition Section 17-11 addition when mixed with base?
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