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1. What substitution mechanism will the following reaction likely proceed through? (1pt) CH3 HU. : N=C:...
please show all steps including each mechanism (arrows) and also if SN1 has any rearrangements of...
please show all steps including each mechanism (arrows) and
also if SN1 has any rearrangements of carbocation intermediate
through a hydride shift and/or methyl shift. DO NOT NEED
ELIMINATION. ONLY SUBSTITUTION.
Sy1/E1 versus S2/E2 Learning Checks Draw the major organic substitution and/or elimination products in the following reactions. If no reaction is possible, write “No Reaction". Substitution Product(s) Elimination Product(s) 2) 2) OH BrCH K* -Ot-Bu NaOCH н"Сн, сн,он нсн, Ph NaOCH Br H CH3OH CH NaOCH NaOH T.CH, I...
1. Predict whether the following reactions are likely to proceed by an E1 or E2 mechanism....
1. Predict whether the following reactions are likely to proceed
by an E1 or E2 mechanism. PLEASE show the mechanism and product of
the reaction!!!!
2. Explain each prediction.
Predicting mechanisms: E1 or E2? 1. Predict whether the following reactions are likely to proceed by an El or E2 mechanism. 2. Explain each prediction. Br co KOH H2O Br CH,CH,OH Br CH2CH OH CH,0/CH,OH Br
Complete the following with the correct products, label Zaitsev and Hofmann, and explain why the reaction...
Complete the following with the correct products, label Zaitsev and Hofmann, and explain why the reaction is either regioselective or stereoselective. (6 pts.) D -Br Nahi Complete each of the following reactions by adding the starting material, reaction conditions, or all possible product(s) - label major/minor - Sx2. Sx1, E2 or E1. (33 pts.) (CH3),COK DMF C(CH3) NaOH DMSO CH OH heat Ph H+Br NaOCH, H+CHE Ph DMF SK DMF o (only product)
What is the main product of this reaction! CH,CH,CH3 1. KMnO4, NaOH 2. Hot Me,c? CO,H...
What is the main product of this reaction! CH,CH,CH3 1. KMnO4, NaOH 2. Hot Me,c? CO,H COH CH(HO)CH,CH Me,c HO,C Me,c CH2CH2COH • Me,c Compound A Compound B Compound C 2 (CH) CHCH, OH COH 1 Soa OH strongest to weakest acid
For the following substitution reactions, choose whether reaction A or B will proceed more quickly. If...
For the following substitution reactions, choose whether reaction A or B will proceed more quickly. If they will proceed at the same rate, put an equal sign,"=", in the box. Reaction Pair Faster? SN1 or SN2? A: CH3Br + CH30-→ CH3OCH3 + Br- B: CH3Br + CH3OH → CH3OCH3 + Br- + H+ Cl + NH3 NH + Cl + H+ B: Ya + Ho — you +C+++11+ OH + Cl + H+ I + NH3 NH2 +I+H+ SN2 ci...
1. Determine the mechanism of each nucleophilic substitution reaction and explain why? Draw the products including...
1. Determine the mechanism of each nucleophilic substitution reaction and explain why? Draw the products including the stereochemistry. (6 points) Br + CN acetone d. ~ + CH,CO2H - Y Y + POCHE UCH DMSO + TOCH.CH DMF b. + B + OCH + CH4OH DMSO – w ! ho + OCHCH , CH,CH,OH DM . Br + CH3OH + CH3CH,OH
please indicate stereochemistry (20 marks) 1. Identify each of the following reactions as SN1, SN2, E1,...
please indicate stereochemistry
(20 marks) 1. Identify each of the following reactions as SN1, SN2, E1, or E2 and give the products formed in each case, and indicate the stereochemistry of the product if appropriate (mechanisms are not required). If no reaction would occur, indicate this with N.R. forno reaction" and give the reason for which you don't expect a product. a) E HEC-CH2-C...Br (CH3),C07 (CH3),COH CHE 70°C CH3 SN2 Morand SN2 H H₃C-CH2-c...Br. CN/DMSO in CH 25°C d) Br...
30. Late papers not accepted. Work Independently. 1. Predict the most likely reaction mechanism (SN1, SN2,...
30. Late papers not accepted. Work Independently. 1. Predict the most likely reaction mechanism (SN1, SN2, E1, E2) and draw all products. CH₂ Na O=CH₂ Hic Br 2 Draw complete mechanism with arrows for the SNI/E1 mechanism. Check for carbocation rearrangements CH3 + H2O 3. Which is the major product for the following reaction? Y CH + NaOH CH HO HO H₃ CH₂ H₃ HOCH CH₂ H₃ CHE CH₂ CH₂ CH3 CH 4. Name the following including the R/S, E/Z...
1. For each of the following reactions, write S if it is a substitution and E...
1. For each of the following reactions, write S if it is a substitution and E if it is an elimination. Also write R for all of those that are also rearrangements. CH-Oн heat NaOCHs + HBr HG OH Nal Hо acetone NaBr +HBr 2. Predict which reactions proceeded by an SN1, SN2, El or E2 mechanism: NaOCH CH +NaBr оснCH Носн,сн, 50° +NaCl Nal DMSO, 45 Br NaOCHa +NaBr +HOCH Носн, 100° но +HI acetone, 50 HSO +HO HO,...
1. What is the nucleophile in the following S2 reaction and what is the leaving group Br + NaCN 2. What are produc...
1. What is the nucleophile in the following S2 reaction and what is the leaving group Br + NaCN 2. What are products of the following sequences of elementary steps? ci 1. Proton transfer involving NaOH 2. Nucleophile elimination 3. Nucleophilic addition of CH,MgBr 4. Sy2 involving CH Br (c) 1. Electrophilic addition of C 2. Electrophile elimination of HC (b) 1. E2 involving NaOCH, 2. Electrophilic addition involving H 3. Coordination involving H20 4. Proton transfer involving H2O OH...
please show all steps including each mechanism (arrows) and
also if SN1 has any rearrangements of carbocation intermediate
through a hydride shift and/or methyl shift. DO NOT NEED
ELIMINATION. ONLY SUBSTITUTION.
Sy1/E1 versus S2/E2 Learning Checks Draw the major organic substitution and/or elimination products in the following reactions. If no reaction is possible, write “No Reaction". Substitution Product(s) Elimination Product(s) 2) 2) OH BrCH K* -Ot-Bu NaOCH н"Сн, сн,он нсн, Ph NaOCH Br H CH3OH CH NaOCH NaOH T.CH, I...
1. Predict whether the following reactions are likely to proceed
by an E1 or E2 mechanism. PLEASE show the mechanism and product of
the reaction!!!!
2. Explain each prediction.
Predicting mechanisms: E1 or E2? 1. Predict whether the following reactions are likely to proceed by an El or E2 mechanism. 2. Explain each prediction. Br co KOH H2O Br CH,CH,OH Br CH2CH OH CH,0/CH,OH Br
Complete the following with the correct products, label Zaitsev and Hofmann, and explain why the reaction is either regioselective or stereoselective. (6 pts.) D -Br Nahi Complete each of the following reactions by adding the starting material, reaction conditions, or all possible product(s) - label major/minor - Sx2. Sx1, E2 or E1. (33 pts.) (CH3),COK DMF C(CH3) NaOH DMSO CH OH heat Ph H+Br NaOCH, H+CHE Ph DMF SK DMF o (only product)
What is the main product of this reaction! CH,CH,CH3 1. KMnO4, NaOH 2. Hot Me,c? CO,H COH CH(HO)CH,CH Me,c HO,C Me,c CH2CH2COH • Me,c Compound A Compound B Compound C 2 (CH) CHCH, OH COH 1 Soa OH strongest to weakest acid
For the following substitution reactions, choose whether reaction A or B will proceed more quickly. If they will proceed at the same rate, put an equal sign,"=", in the box. Reaction Pair Faster? SN1 or SN2? A: CH3Br + CH30-→ CH3OCH3 + Br- B: CH3Br + CH3OH → CH3OCH3 + Br- + H+ Cl + NH3 NH + Cl + H+ B: Ya + Ho — you +C+++11+ OH + Cl + H+ I + NH3 NH2 +I+H+ SN2 ci...
1. Determine the mechanism of each nucleophilic substitution reaction and explain why? Draw the products including the stereochemistry. (6 points) Br + CN acetone d. ~ + CH,CO2H - Y Y + POCHE UCH DMSO + TOCH.CH DMF b. + B + OCH + CH4OH DMSO – w ! ho + OCHCH , CH,CH,OH DM . Br + CH3OH + CH3CH,OH
please indicate stereochemistry
(20 marks) 1. Identify each of the following reactions as SN1, SN2, E1, or E2 and give the products formed in each case, and indicate the stereochemistry of the product if appropriate (mechanisms are not required). If no reaction would occur, indicate this with N.R. forno reaction" and give the reason for which you don't expect a product. a) E HEC-CH2-C...Br (CH3),C07 (CH3),COH CHE 70°C CH3 SN2 Morand SN2 H H₃C-CH2-c...Br. CN/DMSO in CH 25°C d) Br...
30. Late papers not accepted. Work Independently. 1. Predict the most likely reaction mechanism (SN1, SN2, E1, E2) and draw all products. CH₂ Na O=CH₂ Hic Br 2 Draw complete mechanism with arrows for the SNI/E1 mechanism. Check for carbocation rearrangements CH3 + H2O 3. Which is the major product for the following reaction? Y CH + NaOH CH HO HO H₃ CH₂ H₃ HOCH CH₂ H₃ CHE CH₂ CH₂ CH3 CH 4. Name the following including the R/S, E/Z...
1. For each of the following reactions, write S if it is a substitution and E if it is an elimination. Also write R for all of those that are also rearrangements. CH-Oн heat NaOCHs + HBr HG OH Nal Hо acetone NaBr +HBr 2. Predict which reactions proceeded by an SN1, SN2, El or E2 mechanism: NaOCH CH +NaBr оснCH Носн,сн, 50° +NaCl Nal DMSO, 45 Br NaOCHa +NaBr +HOCH Носн, 100° но +HI acetone, 50 HSO +HO HO,...
1. What is the nucleophile in the following S2 reaction and what is the leaving group Br + NaCN 2. What are products of the following sequences of elementary steps? ci 1. Proton transfer involving NaOH 2. Nucleophile elimination 3. Nucleophilic addition of CH,MgBr 4. Sy2 involving CH Br (c) 1. Electrophilic addition of C 2. Electrophile elimination of HC (b) 1. E2 involving NaOCH, 2. Electrophilic addition involving H 3. Coordination involving H20 4. Proton transfer involving H2O OH...
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