Homework Answers
from the reactivity of the reagent and the products and
the reactants are as follows
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Question 9 What type of reaction would take place for the two reactants shown below? acid-base...
In both examples below the reactants shown are combined to bring about a nucleophilic substitution (Spl,...
In both examples below the reactants shown are combined to bring about a nucleophilic substitution (Spl, S2) and/or elimination (E1, 12) reaction What is the major reaction that takes place in each case? CHCHCH,CH,Br NaOCH CH3OH SN2 E2 mixture of SN1 and E1 CH3 CH3 Сн, сансн, NaOCHE CH3OH S In both examples below the reactants shown are combined to bring about a nucleophilic substitution ( S What is the major reaction that takes place in each case? 2) and/or...
In both examples below the reactants shown are combined to bring about a nucleophilic substitution (SN1,...
In both examples below the reactants shown are combined to bring about a nucleophilic substitution (SN1, SN2) and/or elimination (E1, E2) reaction. What is the major reaction that takes place in each case? NaCN dimethylformamide (DMF) CH2Br NaOCH3 CH3CH2CH2CH2Br CH,CH_CH_CH4BR CH3OH - > In both examples below the reactants shown are combined to bring about a nucleophilic substitution (SN1, SN2) and/or elimination (E1, E2) reaction. What is the major reaction that takes place in each case? CH3 -CH3 NaOCH2CH3 CH3CH2OH...
Question 1 What type of reaction if shown below? OH Н4С нес c/ с CHE сH3...
Question 1 What type of reaction if shown below? OH Н4С нес c/ с CHE сH3 CH3 O A addition reaction An elimination reaction O A substitution reaction O A rearrangement
3. Acids and Bases. (15 pts) (a) Circle the weakest acid in each series shown below (9 pts). Seri...
poease answer and explain all. thank you!
3. Acids and Bases. (15 pts) (a) Circle the weakest acid in each series shown below (9 pts). Series 1 HC CH2 Series 2 OH он OH Series 3 Cl ai pk, 9.38 pk, 10.2 (b) Draw the products of the following acid-base reaction (6 pts). CH3O reactants products 4. Use curved arrow to indieate the flow of electrons for the following elementary steps. Label each step with a proper name such as...
In each reaction box, place the best reagent and conditions from the list below. OH a...
In each reaction box, place the best reagent and conditions from the list below. OH a 2) 3) H2S04, (conc.), heat NaH BH3/THF H2O2, NaOH, H2O SOCl2 Br2, H20 PBr3 03 NaOH HBr macmillan learning each reaction box, place the best reagent and conditions from the list below. 1) 2) OH 3) OH 4) H2O2, NaOH, H20 CH3COO- CH30- H30* BH3/THE H2SO4 (conc.) NaBH4 NaOH TsCl, pyridine (CH3)3C0-
Name the type of reaction, reactant (functional group) and product (functional group) of the following: -Acid/base...
Name the type of reaction, reactant (functional group) and product
(functional group) of the following:
-Acid/base
-Addition
-Combustion
-Elimination
-Substitution
material for reactions 1 and 2) H3C— CH reaction 1 Br Br HO CH2=CH2 HC-CH2 HC-CH2 reaction 2 Br reaction 3 CH2 H3C- H2C= CH2 reaction 4 C OH reaction 5 - HC-CH2 H3C— CH Lei reaction 6 HEC OCH HEC OH HUC CNH,
(References O-COCH . . OH HCI 2. HCI + HO a Proton transfer b-Lewis acid/base c...
(References O-COCH . . OH HCI 2. HCI + HO a Proton transfer b-Lewis acid/base c Radical chain substitution d-Radical chain addition e Electrophilic addition fE1 Elimination B-E2 Elimination Syl Nucleophilic substitution i S2 Nucleophilic substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a- I for your answers, 2. Retry Ente Group 7 more group attempts remaining OH NHE NH CHE OCCH_CH_CHE- NH OH OCCH_CH.CH NH Biosynthesis of...
1. Which of the following takes place faster by an S2 reaction! 2. Rank from strongest...
1. Which of the following takes place faster by an S2 reaction! 2. Rank from strongest nucleophile to weakest nucleophile. A HO B. HO C. HN D. H 3. Which of the following SN2 reactions is fastest? , (o) (a) H3C-CECH Na NaH CHBr (SN2) сH,Br (b) Naci (S2) 4. Which of the following takes place faster by an E2 mechanism? ONa 5. Which is the best leaving group? A. F" B. CI C. HO D. Br E. H
D Question 12 6 pts What type of mechanism is taking place in the reaction shown?...
D Question 12 6 pts What type of mechanism is taking place in the reaction shown? OH D Question 13 6 pts What is the correct absolute configuration for the stereocenter, marked with an asterisk (*), in the molecule below? trans Question 15 6 pts What is an appropriate name for the compound shown? OH m-bromophenol m-bromobenzyl alcohol m-hydroxybenzenebromide p-bromoanisole Question 16 6 pts What reagents would be required to make the following transformation? с HCl H2/Pd Na/NH3(0) H.Br 2...
Question 30 3.33 pt Nucleophilic substitution and elimination reactions often complete with one another. In general,...
Question 30 3.33 pt Nucleophilic substitution and elimination reactions often complete with one another. In general, which of the following would enhance the rate of the E2 reaction over the S 2 reaction? use of a weak nucleophile branching big bulky strong base use of a weak base All of the above would enhance the E2 rate. Question 31 3.33 pt What is the strongest base below? CH-1 OH-1 H2O NH3 Question 32 333
In both examples below the reactants shown are combined to bring about a nucleophilic substitution (Spl, S2) and/or elimination (E1, 12) reaction What is the major reaction that takes place in each case? CHCHCH,CH,Br NaOCH CH3OH SN2 E2 mixture of SN1 and E1 CH3 CH3 Сн, сансн, NaOCHE CH3OH S In both examples below the reactants shown are combined to bring about a nucleophilic substitution ( S What is the major reaction that takes place in each case? 2) and/or...
In both examples below the reactants shown are combined to bring about a nucleophilic substitution (SN1, SN2) and/or elimination (E1, E2) reaction. What is the major reaction that takes place in each case? NaCN dimethylformamide (DMF) CH2Br NaOCH3 CH3CH2CH2CH2Br CH,CH_CH_CH4BR CH3OH - > In both examples below the reactants shown are combined to bring about a nucleophilic substitution (SN1, SN2) and/or elimination (E1, E2) reaction. What is the major reaction that takes place in each case? CH3 -CH3 NaOCH2CH3 CH3CH2OH...
Question 1 What type of reaction if shown below? OH Н4С нес c/ с CHE сH3 CH3 O A addition reaction An elimination reaction O A substitution reaction O A rearrangement
poease answer and explain all. thank you!
3. Acids and Bases. (15 pts) (a) Circle the weakest acid in each series shown below (9 pts). Series 1 HC CH2 Series 2 OH он OH Series 3 Cl ai pk, 9.38 pk, 10.2 (b) Draw the products of the following acid-base reaction (6 pts). CH3O reactants products 4. Use curved arrow to indieate the flow of electrons for the following elementary steps. Label each step with a proper name such as...
In each reaction box, place the best reagent and conditions from the list below. OH a 2) 3) H2S04, (conc.), heat NaH BH3/THF H2O2, NaOH, H2O SOCl2 Br2, H20 PBr3 03 NaOH HBr macmillan learning each reaction box, place the best reagent and conditions from the list below. 1) 2) OH 3) OH 4) H2O2, NaOH, H20 CH3COO- CH30- H30* BH3/THE H2SO4 (conc.) NaBH4 NaOH TsCl, pyridine (CH3)3C0-
Name the type of reaction, reactant (functional group) and product
(functional group) of the following:
-Acid/base
-Addition
-Combustion
-Elimination
-Substitution
material for reactions 1 and 2) H3C— CH reaction 1 Br Br HO CH2=CH2 HC-CH2 HC-CH2 reaction 2 Br reaction 3 CH2 H3C- H2C= CH2 reaction 4 C OH reaction 5 - HC-CH2 H3C— CH Lei reaction 6 HEC OCH HEC OH HUC CNH,
(References O-COCH . . OH HCI 2. HCI + HO a Proton transfer b-Lewis acid/base c Radical chain substitution d-Radical chain addition e Electrophilic addition fE1 Elimination B-E2 Elimination Syl Nucleophilic substitution i S2 Nucleophilic substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a- I for your answers, 2. Retry Ente Group 7 more group attempts remaining OH NHE NH CHE OCCH_CH_CHE- NH OH OCCH_CH.CH NH Biosynthesis of...
1. Which of the following takes place faster by an S2 reaction! 2. Rank from strongest nucleophile to weakest nucleophile. A HO B. HO C. HN D. H 3. Which of the following SN2 reactions is fastest? , (o) (a) H3C-CECH Na NaH CHBr (SN2) сH,Br (b) Naci (S2) 4. Which of the following takes place faster by an E2 mechanism? ONa 5. Which is the best leaving group? A. F" B. CI C. HO D. Br E. H
D Question 12 6 pts What type of mechanism is taking place in the reaction shown? OH D Question 13 6 pts What is the correct absolute configuration for the stereocenter, marked with an asterisk (*), in the molecule below? trans Question 15 6 pts What is an appropriate name for the compound shown? OH m-bromophenol m-bromobenzyl alcohol m-hydroxybenzenebromide p-bromoanisole Question 16 6 pts What reagents would be required to make the following transformation? с HCl H2/Pd Na/NH3(0) H.Br 2...
Question 30 3.33 pt Nucleophilic substitution and elimination reactions often complete with one another. In general, which of the following would enhance the rate of the E2 reaction over the S 2 reaction? use of a weak nucleophile branching big bulky strong base use of a weak base All of the above would enhance the E2 rate. Question 31 3.33 pt What is the strongest base below? CH-1 OH-1 H2O NH3 Question 32 333
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