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7. Show the starting materials, conditions, and steps to make each compound via Claisen reaction or...
17. Propose starting materials needed to synthesize each molecule through a Claisen reaction. a. Eto =...
17. Propose starting materials needed to synthesize each molecule through a Claisen reaction. a. Eto = = OME OMe = = Ph = =
3. Claisen reactions have the advantage of flexibility among starting materials. Show 2 different sets of...
3. Claisen reactions have the advantage of flexibility among starting materials. Show 2 different sets of starting materials that will make the given product via Claisen-type reactions. (21.5) llon 6. Show the Michael product formed from the aldol condensation product of ethanal plus the Claisen condensation product of ethyl acetate when they react together in the Michael reaction. (21.3; 21.5, 21.8) it + H ethanal ethyl acetate
17. Propose starting materials needed to synthesize each molecule through a Claisen reaction. a. Etor = = COMe = d....
17. Propose starting materials needed to synthesize each molecule through a Claisen reaction. a. Etor = = COMe = d. EO Y OEt f Ph TY = =
Draw the starting materials for the compound given below via directed aldol condensation reaction. Show the...
Draw the starting materials for the compound given below via directed aldol condensation reaction. Show the resonance structure for the following, α,β-unsaturated ketone. 1. Propose reagents or products as needed (you will need sets of reagents for arrows pointing left and 1 product for the right facing arrow). 2. H3C-SH HO
51. Make the following compound from the starting reagent. Show all the steps, reagents involved and...
51. Make the following compound from the starting reagent. Show all the steps, reagents involved and the intermediate products. a. 7 بل mynd OH b. Synthesize the following molecule from benzene via a diazonium salt. Show all the reagents and the intermediate products. COOH OH c. Synthesize the following amine from the given alkyl halide in good yield. Show all the intermediates and reagents. CHE
Retrosynthesis. Identify the starting materials needed to make the following compound via an aldol condensation. olan...
Retrosynthesis. Identify the starting materials needed to make the following compound via an aldol condensation. olan =
8. Give products or required starting materials for these crossed-Claisen condensations that use two different esters....
8. Give products or required starting materials for these crossed-Claisen condensations that use two different esters. Note that the first ester is added to the base to form an enolate. (If the base were added to the ester, enolates would form and react with the ester present in the flask). Give the enolate for the first reaction. 1) O 2) OK iPro ОMe Meo t-butoxide THF 1) 2) N LÝ OMe Eto Meo LDA 1) 2) Meo Оме Eto LDA...
Show your steps and reaction conditions clearly. No reaction mechanisms are required. (a) Using acetone and...
Show your steps and reaction conditions clearly. No reaction mechanisms are required. (a) Using acetone and 2.2-dimethylpropanal as your only sources of carbon atoms, show how you would synthesize compound 1. Hint: Reaction of a diol and a carbonyl compound. Starting from 1-ethoxynaphthalene and 3-methylbutanoic acid as your only sources of carbon atoms, show how you would synthesize the ester 1. Hint oxidation of a ketone to ester (C) Suggest a synthesis for compound 1 using as starting materials/reactants benzaldehye....
Problem 2. Provide the structures of the starting materials necessary to form the following compounds via...
Problem 2. Provide the structures of the starting materials necessary to form the following compounds via an aldol condensation, Claisen condensation, or Wittig reaction. Use each reaction once, and indicate which reaction you are proposing. For some reactions, there may be multiple correct answers (provide only one).
Show the two (neutral) organic starting materials that would be used to synthesize the following compound...
Show the two (neutral) organic starting materials that would be
used to synthesize the following compound via a Robinson Annulation
reaction.
17. Propose starting materials needed to synthesize each molecule through a Claisen reaction. a. Eto = = OME OMe = = Ph = =
3. Claisen reactions have the advantage of flexibility among starting materials. Show 2 different sets of starting materials that will make the given product via Claisen-type reactions. (21.5) llon 6. Show the Michael product formed from the aldol condensation product of ethanal plus the Claisen condensation product of ethyl acetate when they react together in the Michael reaction. (21.3; 21.5, 21.8) it + H ethanal ethyl acetate
17. Propose starting materials needed to synthesize each molecule through a Claisen reaction. a. Etor = = COMe = d. EO Y OEt f Ph TY = =
Draw the starting materials for the compound given below via directed aldol condensation reaction. Show the resonance structure for the following, α,β-unsaturated ketone. 1. Propose reagents or products as needed (you will need sets of reagents for arrows pointing left and 1 product for the right facing arrow). 2. H3C-SH HO
51. Make the following compound from the starting reagent. Show all the steps, reagents involved and the intermediate products. a. 7 بل mynd OH b. Synthesize the following molecule from benzene via a diazonium salt. Show all the reagents and the intermediate products. COOH OH c. Synthesize the following amine from the given alkyl halide in good yield. Show all the intermediates and reagents. CHE
Retrosynthesis. Identify the starting materials needed to make the following compound via an aldol condensation. olan =
8. Give products or required starting materials for these crossed-Claisen condensations that use two different esters. Note that the first ester is added to the base to form an enolate. (If the base were added to the ester, enolates would form and react with the ester present in the flask). Give the enolate for the first reaction. 1) O 2) OK iPro ОMe Meo t-butoxide THF 1) 2) N LÝ OMe Eto Meo LDA 1) 2) Meo Оме Eto LDA...
Show your steps and reaction conditions clearly. No reaction mechanisms are required. (a) Using acetone and 2.2-dimethylpropanal as your only sources of carbon atoms, show how you would synthesize compound 1. Hint: Reaction of a diol and a carbonyl compound. Starting from 1-ethoxynaphthalene and 3-methylbutanoic acid as your only sources of carbon atoms, show how you would synthesize the ester 1. Hint oxidation of a ketone to ester (C) Suggest a synthesis for compound 1 using as starting materials/reactants benzaldehye....
Problem 2. Provide the structures of the starting materials necessary to form the following compounds via an aldol condensation, Claisen condensation, or Wittig reaction. Use each reaction once, and indicate which reaction you are proposing. For some reactions, there may be multiple correct answers (provide only one).
Show the two (neutral) organic starting materials that would be
used to synthesize the following compound via a Robinson Annulation
reaction.
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