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Draw products A and B of the following series of reactions. Ethyl phenylacetate + 1. CH_3CH_2O^-,...
1. a) Draw the structure of an enol of this compound. If no enol is possible,...
1. a) Draw the structure of an enol of this compound. If no enol is possible, write "none possible". b) How many acidic hydrogens (pka <22) does this compound have? c) Can this compound react with I/KOH in the haloform reaction? If so, give the products. If not, state why not. 2. Show how you would make this compound by a malonic ester synthesis or an acetoacetic acid synthesis. hexanoic acid 3. Write in the products of these reactions: NaOCH2CH3...
1. Write the structural formula of each of the following co (1) m-chlorobenzoyl chloride; (b) p-ethylbenzamide:...
1. Write the structural formula of each of the following co (1) m-chlorobenzoyl chloride; (b) p-ethylbenzamide: (©) (e) 2-ethyl-1-butanamine; (f) dibenzylamine; (g) a B-lacta the following compounds: (28 pts) Pethylben (s) acetoacetic ester; (d) diethyl malonate: of each of the following reactions: (30 pts) 2. Identify the principal organic product of each of the (a) acetic anhydride and 2-pentanol (b) 4-methyl-3-penten-2-one and ammonia in water solut er solution (c) acetophenone (methyl phenyi ketone) and benzalder (d) methyl butanoate and LDA...
Show the products for the following reactions. Propose starting materials that can form the follo...
Show the products for the following reactions. Propose starting
materials that can form the following product in one step.
NaOH, Br2 d. PCls. Br2 он e. 4. Propose starting materials that can form the following product in one step Compound Z Synthesize the starting materials you proposed above from Ethanal and ethyl acetate (do not use other carbonyl compounds). You can use ethanal and ethyl acetate as many times as you need to. Hint: you will use the 3 carbon-carbon...
Draw the skeletal structure of the following compounds a. 3-ethyl-4-methyl-1,5-heptadiene b. 2,3-diethyl-3-methyl-1,4-pentadiene Determine the products of...
Draw the skeletal structure of the following compounds a. 3-ethyl-4-methyl-1,5-heptadiene b. 2,3-diethyl-3-methyl-1,4-pentadiene Determine the products of the following reactions. Also demonstrate the mechanism in each reaction
1. NaOEt CO2Et 2. H30+ 3. heat Br. Br CORET + H3C V CO2H H₂C +...
1. NaOEt CO2Et 2. H30+ 3. heat Br. Br CORET + H3C V CO2H H₂C + CO2 + E H3C CO2Et The malonic ester synthesis is a carbonyl alkylation reaction. It is used to prepare carboxylic acids from primary alkyl halides, lengthening the carbon In progress by two atoms. Thus, the product can be visualized as being a "substituted acetic acid." The reaction consists of three steps: generation of the enolate anion followed by SN 2 reaction with a primary...
1) Which product will be created by these reactions: i ) je te si are Å...
1) Which product will be created by these reactions: i ) je te si are Å Br Br Br2 مل Br Br Br AcОН A. B. C. D. ii) z B. D. 2) Which of these compounds cannot be made using malonic ester synthesis? O OH Meo OME OH Ph ОН A. B. Ph C. D. 3) Why do malonic ester and acetoacetate synthesis require diluted acid to generate the final product? C. the ionized cation partitions to the aqueous...
Draw the products of the following reactions, indicating both regiochemistry and stereochemistry when appropriate. draw the...
Draw the products of the following reactions, indicating both
regiochemistry and stereochemistry when appropriate.
draw the organic product(s) expected when this compound
undergoes the Simmons-Smith reaction.
Draw the product of the reaction below.
Reaction of 3-methyl-1-butene with
CH3OH in the presence of H2SO4
catalyst yields 2-methoxy-2-methylbutane by a
mechanism analogous to that of acid-catalyzed alkene hydration.
Draw curved arrows to show the movement of electrons in this
step of the reaction mechanism.
1. Consider the synthesis of the following amino acids: a) write all the steps for the synthesis of valine starting with propane, using the HVZ reaction to make a bromo-acid, which is subsequently lam...
1. Consider the synthesis of the following amino acids: a) write all the steps for the synthesis of valine starting with propane, using the HVZ reaction to make a bromo-acid, which is subsequently laminates. b)Write all the steps for the synthesis of leucine starting with isobutane and using the Gabriel-Malonic Ester reaction. Also, consider: I)how would the L-enantiomer of the amino acid be isolated from the racemic mixture resulting from the above reactions. ii) what would the mechanism be for...
Diethyl malonate can be prepared by the following reaction sequence. Draw the structures of each of...
Diethyl malonate can be prepared by the following reaction sequence. Draw the structures of each of the missing intermediates in the boxes provided. 4. |сH,сH он. 1. Bry PBr3 OH 2. H2O не На NaCN HSO NC CH CH-OH осH сH, CH2 HQ, heat CH2 HCl OEt Et0 How would you prepare each of the following compounds using either an acetoacetic ester synthesis or a malonic ester synthesis? Show all intermediate structures and all reagents 5. COOH
1. Predict the major products of the following reactions. (Hint: draw out Tosylate ion) ethyl tosylate...
1. Predict the major products of the following reactions. (Hint: draw out Tosylate ion) ethyl tosylate + potassium tert-butoxide 2.isobutyl tosylate + NaI 3.(R)-2-hexyl tosylate + NaCN (show sterochemistry) 4.the tosylate of cyclohexylmethanol + excess NH3 5.n-butyl tosylate + sodium acetylide, H−C≡C:−Na+
1. a) Draw the structure of an enol of this compound. If no enol is possible, write "none possible". b) How many acidic hydrogens (pka <22) does this compound have? c) Can this compound react with I/KOH in the haloform reaction? If so, give the products. If not, state why not. 2. Show how you would make this compound by a malonic ester synthesis or an acetoacetic acid synthesis. hexanoic acid 3. Write in the products of these reactions: NaOCH2CH3...
1. Write the structural formula of each of the following co (1) m-chlorobenzoyl chloride; (b) p-ethylbenzamide: (©) (e) 2-ethyl-1-butanamine; (f) dibenzylamine; (g) a B-lacta the following compounds: (28 pts) Pethylben (s) acetoacetic ester; (d) diethyl malonate: of each of the following reactions: (30 pts) 2. Identify the principal organic product of each of the (a) acetic anhydride and 2-pentanol (b) 4-methyl-3-penten-2-one and ammonia in water solut er solution (c) acetophenone (methyl phenyi ketone) and benzalder (d) methyl butanoate and LDA...
Show the products for the following reactions. Propose starting
materials that can form the following product in one step.
NaOH, Br2 d. PCls. Br2 он e. 4. Propose starting materials that can form the following product in one step Compound Z Synthesize the starting materials you proposed above from Ethanal and ethyl acetate (do not use other carbonyl compounds). You can use ethanal and ethyl acetate as many times as you need to. Hint: you will use the 3 carbon-carbon...
Draw the skeletal structure of the following compounds a. 3-ethyl-4-methyl-1,5-heptadiene b. 2,3-diethyl-3-methyl-1,4-pentadiene Determine the products of the following reactions. Also demonstrate the mechanism in each reaction
1. NaOEt CO2Et 2. H30+ 3. heat Br. Br CORET + H3C V CO2H H₂C + CO2 + E H3C CO2Et The malonic ester synthesis is a carbonyl alkylation reaction. It is used to prepare carboxylic acids from primary alkyl halides, lengthening the carbon In progress by two atoms. Thus, the product can be visualized as being a "substituted acetic acid." The reaction consists of three steps: generation of the enolate anion followed by SN 2 reaction with a primary...
1) Which product will be created by these reactions: i ) je te si are Å Br Br Br2 مل Br Br Br AcОН A. B. C. D. ii) z B. D. 2) Which of these compounds cannot be made using malonic ester synthesis? O OH Meo OME OH Ph ОН A. B. Ph C. D. 3) Why do malonic ester and acetoacetate synthesis require diluted acid to generate the final product? C. the ionized cation partitions to the aqueous...
Draw the products of the following reactions, indicating both
regiochemistry and stereochemistry when appropriate.
draw the organic product(s) expected when this compound
undergoes the Simmons-Smith reaction.
Draw the product of the reaction below.
Reaction of 3-methyl-1-butene with
CH3OH in the presence of H2SO4
catalyst yields 2-methoxy-2-methylbutane by a
mechanism analogous to that of acid-catalyzed alkene hydration.
Draw curved arrows to show the movement of electrons in this
step of the reaction mechanism.
Diethyl malonate can be prepared by the following reaction sequence. Draw the structures of each of the missing intermediates in the boxes provided. 4. |сH,сH он. 1. Bry PBr3 OH 2. H2O не На NaCN HSO NC CH CH-OH осH сH, CH2 HQ, heat CH2 HCl OEt Et0 How would you prepare each of the following compounds using either an acetoacetic ester synthesis or a malonic ester synthesis? Show all intermediate structures and all reagents 5. COOH
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