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Question 2 10 pts For the structures below, describe the relationship between substituents as either "ortho",...
437 Predict whether the following substituents on the benzene ring are likely to be ha para...
437 Predict whether the following substituents on the benzene ring are likely to be ha para directing or meta directing and whether they are like to be ring activating or ring deactivating deact vabang a) - NH(CH 4.38 For each of the monosabstituted benenes shown below, (1) Indicate whether the substituent is ortho, para directing or meta directing (2) Draw the structure of the main monosubstitution product for each of the reactions indicated orth. OCH3 + HCl -OCHE (fecutulys ortho...
Question 15 (2 points) Which of the following substituents will not direct the incoming group to...
Question 15 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -CH2CH3 Ob) -OCOCH3 OC) -COOCH3 Od) -N(CH3)2 Question 16 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br Br Br Br IV a) 1 Ob) III OC) IV Od) 11
Question 5 (2 points) In the reaction below which of the following is true? HN Br2...
Question 5 (2 points) In the reaction below which of the following is true? HN Br2 FeBr3 O a) Br goes ortho/para to -OCH3 Ob) Br goes meta to -OCH3 O c) Br goes meta to -NHCOCH3 O d) Br goes ortho/para to -NHCOCH3 Question 6 (2 points) Predict the major product for the following reaction. HCI OOC CI CA 1 II 8.8 0 CI IV III O a) 11 Ob) 1 O c) III Od) IV
6. (9 pts) In regards to an electrophilic aromatic substitution reaction, define the 3 compounds shown...
6. (9 pts) In regards to an electrophilic aromatic substitution reaction, define the 3 compounds shown below as either: a) Activating, ortho, para director b) Deactivating, ortho para director, c) Activating, meta director, d) Deactivating, meta director. CH -ОН -N-CH3 CH3 7. Answer a-c for compounds A-F below dos a. (5 pts) Which compound(s) have an aromatic carbocation intermediate if it underwent an Snl or E1 reaction? b. (5 pts) Which compound(s) would have an anti-aromatic carbocation intermediate if it...
4) A) Explain the regiochemistry of the following bromination using key resonance structures (there should be...
4) A) Explain the regiochemistry of the following bromination using key resonance structures (there should be three) and predict the final product. Hint: Drawing these resonance structures is key to tell you if this substituent will direct bromination ortho/para or meta (3 polnts for the correct product, 4 polnts for the resonance structures, 7 points total). Brz FeBr, B) Predict the products (3 points each). b) OCH, a) HNO, H,SO AIC Br 1) S c) (p P. CH PHPh "Chem...
19. What is the major organic product obtained from the following reaction? Huso A) 1 B)...
19. What is the major organic product obtained from the following reaction? Huso A) 1 B) II C III D) IV 20. What is the major organic product obtained from the following reaction? o ca A) I B) II C III D) IV 21. Which of the following substituents are activators in electrophilic aromatic substitution? A) CH30— B) CI— C) NO2 D) HSO3- 22. Which of the following substituents are deactivators in electrophilic aromatic substitution? A) HO– B) CH3NH –...
Question 1 (10 pts). When N,N-dimethylaniline is treated with bromine, ortho and para products are formed....
Question 1 (10 pts). When N,N-dimethylaniline is treated with bromine, ortho and para products are formed. Note that this ring is so activated that a Lewis acid catalyst is not needed. Yet, when this material is treated with nitric/sulfuric acids, only the meta product is formed indicative of a very deactivated ring). Explain these curious results. z Br2 Br HNO, H2SO4 NO
Question 27 (2 points) Which of the following substituents will not direct the incoming group to...
Question 27 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -OCOCH3 ob) -COOCH3 OC) -CH2CH3 od) -N(CH3)2 Question 28 (2 points) Provide the reagents necessary to carry out the following conversion. OH OH B Br Br oa) Br2, hn ob) HBr (3 moles) oc) Br2, FeBr3 od) Br2
Question 27 (2 points) Saved Which of the following substituents will not direct the incoming group...
Question 27 (2 points) Saved Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -OCOCH3 Ob) -COOCH3 Oc) -CH2CH3 Od) -N(CH3)2 Question 28 (2 points) Saved Provide the reagents necessary to carry out the following conversion. OH OH Br Br Br Oa) Br2, hn Ob) HBr (3 moles) O c) Br2, FeBr3 o d) Br2
Synthesis of disubstituted benzenes involves two steps, each introducing one of the functional groups For the...
Synthesis of disubstituted benzenes involves two steps, each introducing one of the functional groups For the synthesis of p-chlorosulfonic acid, select the reagent for each step and draw the structure of the monosubstituted intermediate compound. Put the intermediate substituent in the same place that it is oberved in the product (i.e. either the top or the bottom of the benzene ring). Intermediate Step 1 Step 2 O C2, peroxide O Ch. FeCl3 O SOs, H2S04 O Cl2. peroxide O Cl2....
437 Predict whether the following substituents on the benzene ring are likely to be ha para directing or meta directing and whether they are like to be ring activating or ring deactivating deact vabang a) - NH(CH 4.38 For each of the monosabstituted benenes shown below, (1) Indicate whether the substituent is ortho, para directing or meta directing (2) Draw the structure of the main monosubstitution product for each of the reactions indicated orth. OCH3 + HCl -OCHE (fecutulys ortho...
Question 15 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -CH2CH3 Ob) -OCOCH3 OC) -COOCH3 Od) -N(CH3)2 Question 16 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br Br Br Br IV a) 1 Ob) III OC) IV Od) 11
Question 5 (2 points) In the reaction below which of the following is true? HN Br2 FeBr3 O a) Br goes ortho/para to -OCH3 Ob) Br goes meta to -OCH3 O c) Br goes meta to -NHCOCH3 O d) Br goes ortho/para to -NHCOCH3 Question 6 (2 points) Predict the major product for the following reaction. HCI OOC CI CA 1 II 8.8 0 CI IV III O a) 11 Ob) 1 O c) III Od) IV
6. (9 pts) In regards to an electrophilic aromatic substitution reaction, define the 3 compounds shown below as either: a) Activating, ortho, para director b) Deactivating, ortho para director, c) Activating, meta director, d) Deactivating, meta director. CH -ОН -N-CH3 CH3 7. Answer a-c for compounds A-F below dos a. (5 pts) Which compound(s) have an aromatic carbocation intermediate if it underwent an Snl or E1 reaction? b. (5 pts) Which compound(s) would have an anti-aromatic carbocation intermediate if it...
4) A) Explain the regiochemistry of the following bromination using key resonance structures (there should be three) and predict the final product. Hint: Drawing these resonance structures is key to tell you if this substituent will direct bromination ortho/para or meta (3 polnts for the correct product, 4 polnts for the resonance structures, 7 points total). Brz FeBr, B) Predict the products (3 points each). b) OCH, a) HNO, H,SO AIC Br 1) S c) (p P. CH PHPh "Chem...
19. What is the major organic product obtained from the following reaction? Huso A) 1 B) II C III D) IV 20. What is the major organic product obtained from the following reaction? o ca A) I B) II C III D) IV 21. Which of the following substituents are activators in electrophilic aromatic substitution? A) CH30— B) CI— C) NO2 D) HSO3- 22. Which of the following substituents are deactivators in electrophilic aromatic substitution? A) HO– B) CH3NH –...
Question 1 (10 pts). When N,N-dimethylaniline is treated with bromine, ortho and para products are formed. Note that this ring is so activated that a Lewis acid catalyst is not needed. Yet, when this material is treated with nitric/sulfuric acids, only the meta product is formed indicative of a very deactivated ring). Explain these curious results. z Br2 Br HNO, H2SO4 NO
Question 27 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -OCOCH3 ob) -COOCH3 OC) -CH2CH3 od) -N(CH3)2 Question 28 (2 points) Provide the reagents necessary to carry out the following conversion. OH OH B Br Br oa) Br2, hn ob) HBr (3 moles) oc) Br2, FeBr3 od) Br2
Question 27 (2 points) Saved Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -OCOCH3 Ob) -COOCH3 Oc) -CH2CH3 Od) -N(CH3)2 Question 28 (2 points) Saved Provide the reagents necessary to carry out the following conversion. OH OH Br Br Br Oa) Br2, hn Ob) HBr (3 moles) O c) Br2, FeBr3 o d) Br2
Synthesis of disubstituted benzenes involves two steps, each introducing one of the functional groups For the synthesis of p-chlorosulfonic acid, select the reagent for each step and draw the structure of the monosubstituted intermediate compound. Put the intermediate substituent in the same place that it is oberved in the product (i.e. either the top or the bottom of the benzene ring). Intermediate Step 1 Step 2 O C2, peroxide O Ch. FeCl3 O SOs, H2S04 O Cl2. peroxide O Cl2....
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