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Reactivity towards electrophilic aromatic substitution depends upon Electron density in ring
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(Review Topics] (References) In both series below the three aromatic compounds illustrated undergo the electrophilic substitution...
TRUVIOw Topics (References] In both series below the three aromatic compounds illustrated undergo the electrophilic substitution...
TRUVIOw Topics (References] In both series below the three aromatic compounds illustrated undergo the electrophilic substitution reaction shown O=0 C- H CH2CH2CH2CH3 Reaction: Chlorination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? _ OCH3 OCH3 NO2 NO2 Reaction: Nitration Which compound (A, B, or C) reacts the fastest? – Which compound (A, B, or C) reacts the slowest? –
ch 22 In both series below the three aromatic compounds illustrated undergo the electrophilic substitution reaction...
ch 22
In both series below the three aromatic compounds illustrated undergo the electrophilic substitution reaction shown NH2 A B Reaction: Bromination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest А B с Reaction: Chlorination Next Reaction: Bromination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? v do 000!! ZI Reaction: Chlorination Which compound (A, B, or C) reacts the...
h both series below the three aromatic compounds ilhestrated undergo the electrophilic substitution reaction show NHCCHE...
h both series below the three aromatic compounds ilhestrated undergo the electrophilic substitution reaction show NHCCHE A B Reaction: Bromination Which compound (A, B, C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? O OCH COH A B C Reaction: Chlorination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? h both series below the three stomatic compounds ilhestrated undergo the electrophilic substitution reaction shown -C-CH2CH3 OH...
r each compound below, identify which position(s) is/are most likely to undergo an electrophilic aromatic substitut...
r each compound below, identify which position(s) is/are most likely to undergo an electrophilic aromatic substitution reaction? Circle the carbon that undergoes electrophilic substitution. (3) b. CH NO2 O2N What Wittig reagent and carbonyl compounds are used to synthesize the following compound? (2) c. (CH3CH2)2C-cHCHCH2CH3 Write the equations to convert benzene to the following compounds? Some conversions need more than one step. (10) 3. a. Toluene b. m-bromo nitrobenzene c. Benzene sulfonic acid d. Aniline e. Benzoic acid
r each...
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...
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
References [Review Topics Indicate, by letter(8), the position(s) on the ring at which substitution occurs when...
References [Review Topics Indicate, by letter(8), the position(s) on the ring at which substitution occurs when the aromatic compounds shown undergo bromination with Bey, FeBry (when necessary). OCH, Indicate, by letter(s), the position(s) on the ring at which substitution occurs when the aromatic compounds shown undergo bromination with Bry, FeBry! (when necessary) OCH OCH,
H 7. Rank the compounds below in order of reactivity to Electrophilic Aromatic Substitution. Rank the...
H 7. Rank the compounds below in order of reactivity to Electrophilic Aromatic Substitution. Rank the most reactive compound as compound 1 and the least reactive compound as compound 5. (5 points) NO2 pada CH SO3H OH 5
Which one of the following compounds undergoes electrophilic aromatic substitution at the fastest rate? B
Which one of the following compounds undergoes electrophilic
aromatic substitution at the fastest rate?
B
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...
TRUVIOw Topics (References] In both series below the three aromatic compounds illustrated undergo the electrophilic substitution reaction shown O=0 C- H CH2CH2CH2CH3 Reaction: Chlorination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? _ OCH3 OCH3 NO2 NO2 Reaction: Nitration Which compound (A, B, or C) reacts the fastest? – Which compound (A, B, or C) reacts the slowest? –
ch 22
In both series below the three aromatic compounds illustrated undergo the electrophilic substitution reaction shown NH2 A B Reaction: Bromination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest А B с Reaction: Chlorination Next Reaction: Bromination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? v do 000!! ZI Reaction: Chlorination Which compound (A, B, or C) reacts the...
h both series below the three aromatic compounds ilhestrated undergo the electrophilic substitution reaction show NHCCHE A B Reaction: Bromination Which compound (A, B, C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? O OCH COH A B C Reaction: Chlorination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? h both series below the three stomatic compounds ilhestrated undergo the electrophilic substitution reaction shown -C-CH2CH3 OH...
r each compound below, identify which position(s) is/are most likely to undergo an electrophilic aromatic substitution reaction? Circle the carbon that undergoes electrophilic substitution. (3) b. CH NO2 O2N What Wittig reagent and carbonyl compounds are used to synthesize the following compound? (2) c. (CH3CH2)2C-cHCHCH2CH3 Write the equations to convert benzene to the following compounds? Some conversions need more than one step. (10) 3. a. Toluene b. m-bromo nitrobenzene c. Benzene sulfonic acid d. Aniline e. Benzoic acid
r each...
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...
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
References [Review Topics Indicate, by letter(8), the position(s) on the ring at which substitution occurs when the aromatic compounds shown undergo bromination with Bey, FeBry (when necessary). OCH, Indicate, by letter(s), the position(s) on the ring at which substitution occurs when the aromatic compounds shown undergo bromination with Bry, FeBry! (when necessary) OCH OCH,
H 7. Rank the compounds below in order of reactivity to Electrophilic Aromatic Substitution. Rank the most reactive compound as compound 1 and the least reactive compound as compound 5. (5 points) NO2 pada CH SO3H OH 5
Which one of the following compounds undergoes electrophilic
aromatic substitution at the fastest rate?
B
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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