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8. What product(s) result from the Claisen condensation carried out with an equimolar mixture of ethyl...
Which of the following reagents would result in one product upon crossed Claisen condensation? (Select all...
Which of the following reagents would result in one product upon crossed Claisen condensation? (Select all that apply) 1. NaOEt + Reagent?? OEt One Claisen Condensation Product 2. H2O* cie Vio Vio OEt OEt OEt OEt I II IV 0 xida yo ΟΕΙ OEt OEt V VI VII VIII
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...
organic Need help with how to work these problems out thanks What product(s) would you expect...
organic
Need help with how to work these problems out thanks
What product(s) would you expect to obtain from the following S_N2 reaction? I II An equimolar mixture of I and II. None of these choices. The major product of the following reaction would be: I II III IV An equimolar mixture of I and II.
29. Which are the major reaction products of the following reaction, which is carried out in...
29. Which are the major reaction products of the following reaction, which is carried out in an inert solvent? AICI: solvent NO2 Oló - o 02 a) I and II b) III and IV c) I and IV d) II and III 30. Which is the major product of the following reactions? CH3CI Cl2 K2Cr207 FeCl3 FeCl3 H2SO4 a) para-chlorobenzoic acid b) meta-chlorobenzoic acid c) a mixture of para- and meta-chlorobenzoic acid d) a mixture of ortho- and para-chlorobenzoic acid...
What product would result from the following reaction
34. What product would result from the following reaction a.I b. II c. III d. IV e. V 35. Which of the following combinations of reactants can provide a demonstrable example of anti-Markovnikov addition? 36. In a competition reaction, equimolar amounts of five alkanes compete for a deficiency of chlorine at 300'C. The greatest amount of reaction would occur in the case of which of these alkanes? a. Ethane b. Propane c. Butane d. Isobutane e. Pentane
5. Which product(s) would you expect to obtain from the following sequence of reactions? 1. BH-THF...
5. Which product(s) would you expect to obtain from the following sequence of reactions? 1. BH-THF 2. H,, NaoH A) I B) II C) III D) IV E) V 6. The reaction between 2-methyl-2-pentanol and HBr to yield 2-methyl-2-pentene is probably: A) an S1-type reaction involving the protonated alcohol as the substrate. B) an Sy2-type reaction involving the protonated alcohol as the substrate. C) an El-type reaction involving the protonated alcohol as the substrate. D) an E2-type reaction involving the...
Page 2 of 24 Page 3 of 24 )What is the final product 3) Select the...
Page 2 of 24 Page 3 of 24 )What is the final product 3) Select the correct reagents(s) for the following reaction: the following synt hesis? OH H2/NizB (P-2) (1) Os04 сHзсиссн C4He Final Product Он (2) NaHBO3 A) LIAlIHether: then HO B) NaBH/methanol; then HO C) H2 with Pd/C E ABand C A) I B) II 4) Which structure represents (S)-Ichloro-1-fluoroethane? D) IV E) An equimolar mixture of III and IV CHa Cl CH, H- 2) What is the...
Predict the product for the following reaction. 1. Оз 2. Но ОН Н ОН ОН III...
Predict the product for the following reaction. 1. Оз 2. Но ОН Н ОН ОН III || ОН Н IV V A. V В. І С. ІІІ D.IV E. II ) ) QUESTION 7 Click Save and Submit to save and submit. Click Save All Answers to save all answers. QUESTION 7 Identify a reactive starting material in the Claisen condensation. A. 1-propanol B. 3.pentanone C. ethyl butanoate D. butanal E. propanoic anhydride
Select the method(s) that would be successful in producing the product starting from the given reactant...
Select the method(s) that would be successful in producing the product starting from the given reactant in good yield. Note: The steps in a method are written in the order carried out. -OH Method I: (a)CrOz/H+,(b)CH2MgBr,(C)H30+,(d)CrOz/H. Method II:(a)PBr3, (b) Mg, (c)CO2, (d)H307, (e)CH2MgBr, (f)H20+. Method III:(a)PBr3, (b)Mg, (C)HCOCH3,(d)H307, (e) CrOz/H. Method IV:(a)Dess-Martin reagent, (b)CH3CHPPh3, (c)03, (d)Zn/H+. O Method III Method 1,111 and IV Method Ill and IV O Method I and III Method IV
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...
Which of the following reagents would result in one product upon crossed Claisen condensation? (Select all that apply) 1. NaOEt + Reagent?? OEt One Claisen Condensation Product 2. H2O* cie Vio Vio OEt OEt OEt OEt I II IV 0 xida yo ΟΕΙ OEt OEt V VI VII VIII
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...
organic
Need help with how to work these problems out thanks
What product(s) would you expect to obtain from the following S_N2 reaction? I II An equimolar mixture of I and II. None of these choices. The major product of the following reaction would be: I II III IV An equimolar mixture of I and II.
29. Which are the major reaction products of the following reaction, which is carried out in an inert solvent? AICI: solvent NO2 Oló - o 02 a) I and II b) III and IV c) I and IV d) II and III 30. Which is the major product of the following reactions? CH3CI Cl2 K2Cr207 FeCl3 FeCl3 H2SO4 a) para-chlorobenzoic acid b) meta-chlorobenzoic acid c) a mixture of para- and meta-chlorobenzoic acid d) a mixture of ortho- and para-chlorobenzoic acid...
5. Which product(s) would you expect to obtain from the following sequence of reactions? 1. BH-THF 2. H,, NaoH A) I B) II C) III D) IV E) V 6. The reaction between 2-methyl-2-pentanol and HBr to yield 2-methyl-2-pentene is probably: A) an S1-type reaction involving the protonated alcohol as the substrate. B) an Sy2-type reaction involving the protonated alcohol as the substrate. C) an El-type reaction involving the protonated alcohol as the substrate. D) an E2-type reaction involving the...
Page 2 of 24 Page 3 of 24 )What is the final product 3) Select the correct reagents(s) for the following reaction: the following synt hesis? OH H2/NizB (P-2) (1) Os04 сHзсиссн C4He Final Product Он (2) NaHBO3 A) LIAlIHether: then HO B) NaBH/methanol; then HO C) H2 with Pd/C E ABand C A) I B) II 4) Which structure represents (S)-Ichloro-1-fluoroethane? D) IV E) An equimolar mixture of III and IV CHa Cl CH, H- 2) What is the...
Predict the product for the following reaction. 1. Оз 2. Но ОН Н ОН ОН III || ОН Н IV V A. V В. І С. ІІІ D.IV E. II ) ) QUESTION 7 Click Save and Submit to save and submit. Click Save All Answers to save all answers. QUESTION 7 Identify a reactive starting material in the Claisen condensation. A. 1-propanol B. 3.pentanone C. ethyl butanoate D. butanal E. propanoic anhydride
Select the method(s) that would be successful in producing the product starting from the given reactant in good yield. Note: The steps in a method are written in the order carried out. -OH Method I: (a)CrOz/H+,(b)CH2MgBr,(C)H30+,(d)CrOz/H. Method II:(a)PBr3, (b) Mg, (c)CO2, (d)H307, (e)CH2MgBr, (f)H20+. Method III:(a)PBr3, (b)Mg, (C)HCOCH3,(d)H307, (e) CrOz/H. Method IV:(a)Dess-Martin reagent, (b)CH3CHPPh3, (c)03, (d)Zn/H+. O Method III Method 1,111 and IV Method Ill and IV O Method I and III Method IV
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...
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