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8. Provide a complete mechanism to account for the formation of the following product. & det...
(b) For TWO of the following reactions provide a mechanism that explains the product shown and...
(b) For TWO of the following reactions provide a mechanism that explains the product shown and explain any regiochemical control that has occurred in its formation. [2 x 5 marks] EtO2C LCOMEt CO2Et NaOEt mwag mo (i) NaOEt, Ph Br (ii) 0 1 Eto V 0 L oEt HO (ii) aqueous acid, heat EtO2 CO2Et NaOEt EtO2C CO2Et
Provide a complete mechanism to account for the formation of the following product. Br2
Provide a complete mechanism to account for the formation of the following product. Br2
le chatelier experimen Thursday). 1. What starting material and reagents are needed for the following multi-s...
le
chatelier experimen
Thursday). 1. What starting material and reagents are needed for the following multi-step synthesis (HINT: aldol reactions work best when the starting material can only form one enolate)? 5 он о D. NaOH, H2O, Heat F. HO E. NaOH, H2O G. LDA Starting Material: Reagents: 2. LDA is a strong, sterically hindered base and will form the enolate. Sodium hydride is a weak base and will form the _ - enolate. Kinetic enolates are the stable and...
Provide the major product(s) for the following Provide the major product(s) for the following reactions. Be...
Provide the major product(s) for the following Provide the major product(s) for the following reactions. Be sure to note stereochemistry and racemic mixtures. NaOH, H29 2 100 °Ç ? NaOH, H2O H 0°C H W H CCl3 OC (provide product of both steps) H a. Hn b. CHEM 370 W13 Homework Page 1 of 2 giorel Noot Hoi solu NOEL IN DER NaOH, H2O 100 °C Hv NaOET, H OEt EtOH 8. Eto- i. LDA, -78°C NaO Me MeOH Оме...
3. (10) Provide a complete mechanism to account for the formation of the following product. OH...
3. (10) Provide a complete mechanism to account for the formation of the following product. OH HI ogk _ _, YO
Predict the major organic product of the following reaction and complete its mechanism below. 1) NaOEt/EtOH...
Predict the major organic product of the following reaction and complete its mechanism below. 1) NaOEt/EtOH 2) CH3CH2CH2Br 3) dilute NaOH/heat 4) H30* 5) heat Complete the curved-arrow mechanism for the scheme below by adding any missing atoms, bonds, charges, nonbonding electrons, and curved arrows. :O O: :Br. CH3CH2OH Do not show curved arrows for this step. Added acid Dilute HH NaOH and heat hydrolyzes the ester. O: Na Br - H20, Na* O: 100-150 °C O:
Need Help. Will Rate If Complete. NaOH, H20 wborn Bonaparte 1) NaOPr, ProH 2) H30+ OMe...
Need Help. Will Rate If Complete.
NaOH, H20 wborn Bonaparte 1) NaOPr, ProH 2) H30+ OMe 1) NaoMe, MeOH Ome 2) H30+ 1) LDA (1.1 eq) 2) Et 3) H20 1) NaOEt, EtOH 2) H30 Eto OEt COOEt COOEt 1) NaOet, EtOH 2) H2O
Provide a mechanism for the reaction. Calculate the equlibirum constnat for the first deprotonation step of...
Provide a mechanism for the reaction.
Calculate the equlibirum constnat for the first deprotonation
step of the mechanism.
a) Provide a mechanism for the reaction OEt EtO EtO + NaOEt + 2 EtOH b) Calculate the equilibrium constant for the first deprotonation step of the mechanism you were asked to provide first deprotonation above. Show you worinl ant pk, values.
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...
the complete resion below, and provide a mechanism to the formation of Product 1. Complete the...
the complete resion below, and provide a mechanism to the formation of Product 1. Complete the reaction below, and provide a mechanism for the formation of Product A and B (3 points) OH H3PO4 0.5 M bromine in water (60 % Yield)
(b) For TWO of the following reactions provide a mechanism that explains the product shown and explain any regiochemical control that has occurred in its formation. [2 x 5 marks] EtO2C LCOMEt CO2Et NaOEt mwag mo (i) NaOEt, Ph Br (ii) 0 1 Eto V 0 L oEt HO (ii) aqueous acid, heat EtO2 CO2Et NaOEt EtO2C CO2Et
Provide a complete mechanism to account for the formation of the following product. Br2
le
chatelier experimen
Thursday). 1. What starting material and reagents are needed for the following multi-step synthesis (HINT: aldol reactions work best when the starting material can only form one enolate)? 5 он о D. NaOH, H2O, Heat F. HO E. NaOH, H2O G. LDA Starting Material: Reagents: 2. LDA is a strong, sterically hindered base and will form the enolate. Sodium hydride is a weak base and will form the _ - enolate. Kinetic enolates are the stable and...
Provide the major product(s) for the following Provide the major product(s) for the following reactions. Be sure to note stereochemistry and racemic mixtures. NaOH, H29 2 100 °Ç ? NaOH, H2O H 0°C H W H CCl3 OC (provide product of both steps) H a. Hn b. CHEM 370 W13 Homework Page 1 of 2 giorel Noot Hoi solu NOEL IN DER NaOH, H2O 100 °C Hv NaOET, H OEt EtOH 8. Eto- i. LDA, -78°C NaO Me MeOH Оме...
3. (10) Provide a complete mechanism to account for the formation of the following product. OH HI ogk _ _, YO
Predict the major organic product of the following reaction and complete its mechanism below. 1) NaOEt/EtOH 2) CH3CH2CH2Br 3) dilute NaOH/heat 4) H30* 5) heat Complete the curved-arrow mechanism for the scheme below by adding any missing atoms, bonds, charges, nonbonding electrons, and curved arrows. :O O: :Br. CH3CH2OH Do not show curved arrows for this step. Added acid Dilute HH NaOH and heat hydrolyzes the ester. O: Na Br - H20, Na* O: 100-150 °C O:
Need Help. Will Rate If Complete.
NaOH, H20 wborn Bonaparte 1) NaOPr, ProH 2) H30+ OMe 1) NaoMe, MeOH Ome 2) H30+ 1) LDA (1.1 eq) 2) Et 3) H20 1) NaOEt, EtOH 2) H30 Eto OEt COOEt COOEt 1) NaOet, EtOH 2) H2O
Provide a mechanism for the reaction.
Calculate the equlibirum constnat for the first deprotonation
step of the mechanism.
a) Provide a mechanism for the reaction OEt EtO EtO + NaOEt + 2 EtOH b) Calculate the equilibrium constant for the first deprotonation step of the mechanism you were asked to provide first deprotonation above. Show you worinl ant pk, values.
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...
the complete resion below, and provide a mechanism to the formation of Product 1. Complete the reaction below, and provide a mechanism for the formation of Product A and B (3 points) OH H3PO4 0.5 M bromine in water (60 % Yield)
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