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Electrophilic aromatic substitution describes the reaction...
Nitration of phenols is a classic example of an electrophilic aromatic substitution reaction. a) Why does...
Nitration of phenols is a classic example of an electrophilic aromatic substitution reaction. a) Why does the nitration of phenol (hydroxybenzene) proceed only in the ortho- and para-positions on the ring? b) Draw the resonance structures that highlight the ortho- and para-directing nature of hydroxy substituents. Make sure to include the structures that showcase the movement of the charges in the ring.
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can...
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution, donate or withdraw electrons inductively, donate or withdraw electrons through resonance, and direct substitution either to the ortho/para or to the meta positions. From the following lists, select the substituents that have the indicated property. The substituents are written as -XY, where X is the atom directly bound to the aromatic ring. Activation of the ring towards...
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can...
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution, donate or withdraw electrons inductively donate or withdraw electrons through resonance, and direct substitution either to the ortho/para or to the meta positions. From the following lists, select the substituents that have the indicated property. The substituents are written as -XY, where X is the atom directly bound to the aromatic ring Activation of the ring towards...
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can...
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution donate or withdraw electrons through resonance, and direct substitution either to the ortho/para or to the meta positions. From the following lists, select the substituents that have the indicated property. The substituents are written as -XY, where X is the atom directly bound to the aromatic ring. Activation of the ring towards substitution. Withdrawal of electrons through...
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating?...
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating? of Select one: O -NH2 O-SO3H O-1 0 -CN O-OCH3
4. Answer the following questions based on the electrophilic aromatic substitution reaction shown below. door a....
4. Answer the following questions based on the electrophilic aromatic substitution reaction shown below. door a. (2.5pts) Based on the identity of the substituent on the starting material and its interaction with the aromatic ring, is this substituent an activator or deactivator? Briefly explain your answer and support your answer with structures b. (5.5pts) Draw all of the resonance contributors of the o-complexes that lead to each of the three possible products. c. (0.5p) Based on the structures drawn in...
Label the following as activating (A) or deactivating (D), and then also as ortho/para directors (OP)...
Label the following as activating (A) or deactivating (D), and then also as ortho/para directors (OP) or meta directors (M). Write the answer below each group. N "Here with other ty A/D? = = = = OP/M? = f) Using resonance structures, explain why a nitro group is "meta-directing" (i.e. does the nitro group actually affect the meta positions?) g) As mentioned in class, the halogens are a bit anomalous as substituents on the aromatic ring: they are deactivating groups,...
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring ?deactivating...
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring ?deactivating اختر أحد الخيارات CI- CO2H- NO - O NH2- OH-
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating?...
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating? Select one: -CIN 0 -NH₂ O NO₂ O-CO₂H
Question 3 1s 3 ORTHO Today we learned about adding a second group to a mono-substituted...
Question 3
1s 3 ORTHO Today we learned about adding a second group to a mono-substituted benzene ring. Any group on a benzene will affect the rate of the reaction (activated or deactivated relative to benzene) and the regioselectivity Where does the electrophile add? Ortho? Meta? Para? Some combination thereof? We found that EDGs (electron-donating groups) direct the electrophile to the ortho and para positions while EWGs (electron-withdrawing groups) direct the electrophile to the meta position. Now, it is time...
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution, donate or withdraw electrons inductively donate or withdraw electrons through resonance, and direct substitution either to the ortho/para or to the meta positions. From the following lists, select the substituents that have the indicated property. The substituents are written as -XY, where X is the atom directly bound to the aromatic ring Activation of the ring towards...
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution donate or withdraw electrons through resonance, and direct substitution either to the ortho/para or to the meta positions. From the following lists, select the substituents that have the indicated property. The substituents are written as -XY, where X is the atom directly bound to the aromatic ring. Activation of the ring towards substitution. Withdrawal of electrons through...
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating? of Select one: O -NH2 O-SO3H O-1 0 -CN O-OCH3
4. Answer the following questions based on the electrophilic aromatic substitution reaction shown below. door a. (2.5pts) Based on the identity of the substituent on the starting material and its interaction with the aromatic ring, is this substituent an activator or deactivator? Briefly explain your answer and support your answer with structures b. (5.5pts) Draw all of the resonance contributors of the o-complexes that lead to each of the three possible products. c. (0.5p) Based on the structures drawn in...
Label the following as activating (A) or deactivating (D), and then also as ortho/para directors (OP) or meta directors (M). Write the answer below each group. N "Here with other ty A/D? = = = = OP/M? = f) Using resonance structures, explain why a nitro group is "meta-directing" (i.e. does the nitro group actually affect the meta positions?) g) As mentioned in class, the halogens are a bit anomalous as substituents on the aromatic ring: they are deactivating groups,...
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring ?deactivating اختر أحد الخيارات CI- CO2H- NO - O NH2- OH-
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating? Select one: -CIN 0 -NH₂ O NO₂ O-CO₂H
Question 3
1s 3 ORTHO Today we learned about adding a second group to a mono-substituted benzene ring. Any group on a benzene will affect the rate of the reaction (activated or deactivated relative to benzene) and the regioselectivity Where does the electrophile add? Ortho? Meta? Para? Some combination thereof? We found that EDGs (electron-donating groups) direct the electrophile to the ortho and para positions while EWGs (electron-withdrawing groups) direct the electrophile to the meta position. Now, it is time...
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