Electrophilic Aromatic Substitution
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Electrophilic Aromatic Substitution Substitution
Predict the products of this reaction:
Reactions of aromatic compounds are: -Addition -Reduction -Electrophilic aromatic substitution -Nucleophilic aromatic substitution
Reactions of aromatic compounds are: -Addition -Reduction -Electrophilic aromatic substitution -Nucleophilic aromatic substitution
In electrophilic aromatic substitution lab, acetic acid is used as a catalyst for the electrophilic substitution...
In electrophilic aromatic substitution lab, acetic acid is used as a catalyst for the electrophilic substitution on aromatic rings. Would this catalyst work with nitrobenzene? Explain your answer.
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products...
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products are formed when a strong electrophile is added to benzene?) Model 1: (review) Electrophilic Addition of HCI Rani o g cyclohexene carbocation intermediate Run 2 U X benzene This product carbocation intermediate DOES NOT Critical Thinking Questions 1 For Rxn I (above) draw curved arrows showing the mechanism of electrophilic addition of HCl. Include an appropriate carbocation intermediate in the box above. Figure 1:...
Electrophilic Aromatic Substitution The most common reactions of aromatic compounds involve the substitution of othe...
Electrophilic Aromatic Substitution The most common reactions of aromatic compounds involve the substitution of other atoms or groups for a ring hydrogen: Fech + CI chlormation + Br FeBry bromination HNO3 H,SO nitration (HONO) H,SO sulfona (HOSO,H) AICH + RC- alkylation H,80 + CH=CH alkylation + RCCI - acvlation CH2CH2CH2CH3 Oxidation KMnO4 Ho CH3 Reduction Hy. Pt: ethanol 130 atm, 25 "C CH3
In mechanism for electrophilic aromatic substitution reactions of aromatic compounds, what is the driving force for...
In mechanism for electrophilic aromatic substitution reactions of aromatic compounds, what is the driving force for deprotonation in the last step? To neutralize any base that is present To allow for addition across the ring's double bonds. To make room for the electrophile To restore aromaticity to the ring system. To make the ring into a better nucleophile
2. In electrophilic aromatic substitution reactions, a substituent (i.e., nitroso group) on the aromatic ring is:...
2. In electrophilic aromatic substitution reactions, a substituent (i.e., nitroso group) on the aromatic ring is: a deactivator and a m-director I a deactivator and an o,p-director an activator and a m-director an activator and an o,p-director
Write the mechanism for an electrophilic aromatic substitution reaction given any aromatic compound and either chlorine,...
Write the mechanism for an electrophilic aromatic substitution reaction given any aromatic compound and either chlorine, Cl2, or t-butyl cation as the electrophile
Aromatic heterocycles also undergo electrophilic aromatic substitution reactions. When furan is treated with an electrophile, the...
Aromatic heterocycles also undergo electrophilic aromatic
substitution reactions. When furan is treated with an electrophile,
the electrophile is installed only at the C-2 position. Explain why
this reaction occurs only at the C-2 position, rather than the C-3
positions.(explain in words and resonance structures)
Question 2 (10 pts). Aromatic heterocycles can undergo EAS reactions. When furan (below) is treated with an electrophile, an EAS reaction occurs in which the electrophile is installed only at carbon 2, not carbon 3. Explain...
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products are formed when a strong electrophile is added to benzene?) Model 1: (review) Electrophilic Addition of HCI Rani o g cyclohexene carbocation intermediate Run 2 U X benzene This product carbocation intermediate DOES NOT Critical Thinking Questions 1 For Rxn I (above) draw curved arrows showing the mechanism of electrophilic addition of HCl. Include an appropriate carbocation intermediate in the box above. Figure 1:...
Electrophilic Aromatic Substitution The most common reactions of aromatic compounds involve the substitution of other atoms or groups for a ring hydrogen: Fech + CI chlormation + Br FeBry bromination HNO3 H,SO nitration (HONO) H,SO sulfona (HOSO,H) AICH + RC- alkylation H,80 + CH=CH alkylation + RCCI - acvlation CH2CH2CH2CH3 Oxidation KMnO4 Ho CH3 Reduction Hy. Pt: ethanol 130 atm, 25 "C CH3
In mechanism for electrophilic aromatic substitution reactions of aromatic compounds, what is the driving force for deprotonation in the last step? To neutralize any base that is present To allow for addition across the ring's double bonds. To make room for the electrophile To restore aromaticity to the ring system. To make the ring into a better nucleophile
2. In electrophilic aromatic substitution reactions, a substituent (i.e., nitroso group) on the aromatic ring is: a deactivator and a m-director I a deactivator and an o,p-director an activator and a m-director an activator and an o,p-director
Aromatic heterocycles also undergo electrophilic aromatic
substitution reactions. When furan is treated with an electrophile,
the electrophile is installed only at the C-2 position. Explain why
this reaction occurs only at the C-2 position, rather than the C-3
positions.(explain in words and resonance structures)
Question 2 (10 pts). Aromatic heterocycles can undergo EAS reactions. When furan (below) is treated with an electrophile, an EAS reaction occurs in which the electrophile is installed only at carbon 2, not carbon 3. Explain...
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