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(2 points) When the alcohol below is treated with and pyridine, the expected elimination product is...
Draw the possible elimination products formed when the alkyl halide is treated with K-OC(CH). Elimination product...
Draw the possible elimination products formed when the alkyl halide is treated with K-OC(CH). Elimination product formed when carbon 1 is the ß carbon: draw structure ... Elimination product formed when carbon 2 or 4 is the ß carbon: draw structure...
Complete the curved arrow mechanism of the following double elimination reaction when 1,2-dibromopropane is treated with...
Complete the curved arrow mechanism of the following double elimination reaction when 1,2-dibromopropane is treated with two equivalents of sodium amide and heated in mineral oil. a) Use three curved arrows to show the elimination of the first hydrogen bromide. b) Use three curved arrows to show the elimination of the second hydrogen bromide. ENHE •NH HC Hac Bra , -NH3, Br c) Complete the structure of the organic product formed from the double elimination. N-H H3C- C- & Use...
1) Predict the product(s) and draw the mechanism for when the compound below are treated with...
1) Predict the product(s) and draw the mechanism for when the compound below are treated with chloroethane and AICI3. (1.5 points) 2) Use Frost's circle to construct orbital energy diagram for cyclopentadienyl anion. Clearly draw the orbital energies diagram with the correct the number of electron in each level, label it as aromatic or antiaromatic according to Huckel's rule." (1.5 points) OH
3a) (5 pts) When 1,2-epoxypropane is treated with sodium ethoxide in ethanol, 1-ethoxy-2-propanol is the major...
3a) (5 pts) When 1,2-epoxypropane is treated with sodium ethoxide in ethanol, 1-ethoxy-2-propanol is the major product while only a trace amount of 2-ethoxy-1-propanol is produced. Propose a mechanism for the major product and explain the results based on the mechanism. OH NaOCH2CH3 OH EtOH trace major Hoc
3. In the deuterium-labeled compound below predict the product(s) of the elimination of the following elimination...
3. In the deuterium-labeled compound below predict the product(s) of the elimination of the following elimination reaction and tell whether the alkene formed contains deuterium or not. (20 pts) HAC CH OH H,SO (aq) hear o H2CD NaOCH.CH CHCH OH heat CH3 (iii) Write a detail mechanism for the formation of the product in question 31. 4. Name the following compounds and state the orientation around the double bond (cis/trans or E/Z) (10 pts) HO,
draw the expected product when 2,2,3-trimethylpentanoic acid is treated with SOCl2/pyridine, followed by LiAl[OC(CH3)3]3H.
draw the expected product when 2,2,3-trimethylpentanoic acid is treated with SOCl2/pyridine, followed by LiAl[OC(CH3)3]3H.
3. In the deuterium -labeled compound below predict the product (s) of the elimination reactions of...
3. In the deuterium -labeled compound below predict the product (s) of the elimination reactions of the following elimination reaction and tell whether the alkene formed contains deuterium (D) or not. (20 pts) Н.с, сн, OH H2SO&(aq) (i) heat НС NAOCH2CH3 (ii) CH3CH2OH н CH3 heat (iii) Write a detail mechanism for the formation of the product in question 3(i)
Hc VCH Draw the organic product formed when CH3CH2CH2OH is treated with each reagent. a H2S04 (180°C) d SOC12, pyri...
Hc VCH Draw the organic product formed when CH3CH2CH2OH is treated with each reagent. a H2S04 (180°C) d SOC12, pyridine Ig 1) NaH; 2) CH3CH2Br b NaH e PBr3 h 1) TSCI, pyridine; 2) NaSH c HBr f TsCl, pyridine 3. Draw the organic product formed when l-methylcyclohexanol is treaded with each reagent. In some cases, no reaction occurs. a KH c HBr Te NaHCO3 b Nacid HCI f 1) KH; 2) CH3CH2Br Draw two different routes to each of...
TsCl, pyridine 1TSCI, pyridine, 2) LiAlH Draw the major product formed when 2-pentanol is treated with...
TsCl, pyridine 1TSCI, pyridine, 2) LiAlH Draw the major product formed when 2-pentanol is treated with each reagent(s) 1) H2SO4, A 2) O, 3) Zn, H2O 4. PCC a е b Jones Reagent (Chromic acid + acetone) НСІ 1) H.SO4, A Devise a synthesis of each compound from acetylene (HC= CH) and organic compounds containing two carbons or less. You may use any other required reagents CH, CHCH&CH 5. a CH CHCH-CH,ОН b CH CHCH,CHО cis CH CH2CH-CHCH CO>H d...
2. (6 points) When 2-bromoacetophenone and benzaldehyde are treated with the same condition as Aldol condensation...
2. (6 points) When 2-bromoacetophenone and benzaldehyde are treated with the same condition as Aldol condensation (shown below), an interesting product is formed. Br NaOEt 2-bromoacetophenone 1) Deduce the structure of the product based on its data. Molecular formula: C18H12O2, IR: a peak at 1710 cm-1, 'H NMR: 4.08 ppm (doublet, 1H), 4.30 (doublet, 1H), 7.48-8.02 (multiplet, 10H). 2) Provide a mechanism for this reaction.
Draw the possible elimination products formed when the alkyl halide is treated with K-OC(CH). Elimination product formed when carbon 1 is the ß carbon: draw structure ... Elimination product formed when carbon 2 or 4 is the ß carbon: draw structure...
Complete the curved arrow mechanism of the following double elimination reaction when 1,2-dibromopropane is treated with two equivalents of sodium amide and heated in mineral oil. a) Use three curved arrows to show the elimination of the first hydrogen bromide. b) Use three curved arrows to show the elimination of the second hydrogen bromide. ENHE •NH HC Hac Bra , -NH3, Br c) Complete the structure of the organic product formed from the double elimination. N-H H3C- C- & Use...
1) Predict the product(s) and draw the mechanism for when the compound below are treated with chloroethane and AICI3. (1.5 points) 2) Use Frost's circle to construct orbital energy diagram for cyclopentadienyl anion. Clearly draw the orbital energies diagram with the correct the number of electron in each level, label it as aromatic or antiaromatic according to Huckel's rule." (1.5 points) OH
3a) (5 pts) When 1,2-epoxypropane is treated with sodium ethoxide in ethanol, 1-ethoxy-2-propanol is the major product while only a trace amount of 2-ethoxy-1-propanol is produced. Propose a mechanism for the major product and explain the results based on the mechanism. OH NaOCH2CH3 OH EtOH trace major Hoc
3. In the deuterium-labeled compound below predict the product(s) of the elimination of the following elimination reaction and tell whether the alkene formed contains deuterium or not. (20 pts) HAC CH OH H,SO (aq) hear o H2CD NaOCH.CH CHCH OH heat CH3 (iii) Write a detail mechanism for the formation of the product in question 31. 4. Name the following compounds and state the orientation around the double bond (cis/trans or E/Z) (10 pts) HO,
3. In the deuterium -labeled compound below predict the product (s) of the elimination reactions of the following elimination reaction and tell whether the alkene formed contains deuterium (D) or not. (20 pts) Н.с, сн, OH H2SO&(aq) (i) heat НС NAOCH2CH3 (ii) CH3CH2OH н CH3 heat (iii) Write a detail mechanism for the formation of the product in question 3(i)
Hc VCH Draw the organic product formed when CH3CH2CH2OH is treated with each reagent. a H2S04 (180°C) d SOC12, pyridine Ig 1) NaH; 2) CH3CH2Br b NaH e PBr3 h 1) TSCI, pyridine; 2) NaSH c HBr f TsCl, pyridine 3. Draw the organic product formed when l-methylcyclohexanol is treaded with each reagent. In some cases, no reaction occurs. a KH c HBr Te NaHCO3 b Nacid HCI f 1) KH; 2) CH3CH2Br Draw two different routes to each of...
TsCl, pyridine 1TSCI, pyridine, 2) LiAlH Draw the major product formed when 2-pentanol is treated with each reagent(s) 1) H2SO4, A 2) O, 3) Zn, H2O 4. PCC a е b Jones Reagent (Chromic acid + acetone) НСІ 1) H.SO4, A Devise a synthesis of each compound from acetylene (HC= CH) and organic compounds containing two carbons or less. You may use any other required reagents CH, CHCH&CH 5. a CH CHCH-CH,ОН b CH CHCH,CHО cis CH CH2CH-CHCH CO>H d...
2. (6 points) When 2-bromoacetophenone and benzaldehyde are treated with the same condition as Aldol condensation (shown below), an interesting product is formed. Br NaOEt 2-bromoacetophenone 1) Deduce the structure of the product based on its data. Molecular formula: C18H12O2, IR: a peak at 1710 cm-1, 'H NMR: 4.08 ppm (doublet, 1H), 4.30 (doublet, 1H), 7.48-8.02 (multiplet, 10H). 2) Provide a mechanism for this reaction.
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