Activating groups "speed up" electrophilic substitution of aromatics and deactivating groups "slow down" electrophilic substitution.
1. Ignoring halogens, what is different between the composition of the ortho-para directors and the meta directors?
2. What causes the deactivating groups to "slow down" the substitution? What may be used to speed up these reactions?
3. How does carbocation stabilization affect the orientation of the products in each orientation?
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Activating groups "speed up" electrophilic substitution of
aromatics and deactivating groups "slow down" electrophilic
substitution.
1....
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,...
Are these groups activating or deactivating, ortho/para or meta directors? Table 2 EAS data and results....
Are these groups activating or deactivating, ortho/para or
meta directors?
Table 2 EAS data and results. Compound Structure of the Compound ЗаliИТА 0 ОТАРІЯ Activating Ortho/para or Deactivating Or meta director Toluene Aniline Phenyl Acetate Acetanilide Anisole OCHZ slom 2A Methyl Benzoate ctly Acetophenone Benzaldehyde Yяонт abilind Chlorobenzene (agasi. q. sb): A
5. All electron-donating groups are activating groups and all are ortho-para directors with the exception of...
5. All electron-donating groups are activating groups and all are ortho-para directors with the exception of substituents, all electron-withdrawing groups are deactivating groups and all are meta directors. A. hydroxyl B. amino C. halogens D. alkoxyl 6. Hydrogen abstraction from the methyl group of methylbenzene (toluene) produces a radical called the radical. A. allylic B. free C. halogen D. benzyllic 7. The stability of benzyllic radicals can be explained by theory. A. resonance B. bond order C. inductive D. molecular...
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,...
Are these groups activating or deactivating, ortho/para or
meta directors?
Table 2 EAS data and results. Compound Structure of the Compound ЗаliИТА 0 ОТАРІЯ Activating Ortho/para or Deactivating Or meta director Toluene Aniline Phenyl Acetate Acetanilide Anisole OCHZ slom 2A Methyl Benzoate ctly Acetophenone Benzaldehyde Yяонт abilind Chlorobenzene (agasi. q. sb): A
5. All electron-donating groups are activating groups and all are ortho-para directors with the exception of substituents, all electron-withdrawing groups are deactivating groups and all are meta directors. A. hydroxyl B. amino C. halogens D. alkoxyl 6. Hydrogen abstraction from the methyl group of methylbenzene (toluene) produces a radical called the radical. A. allylic B. free C. halogen D. benzyllic 7. The stability of benzyllic radicals can be explained by theory. A. resonance B. bond order C. inductive D. molecular...
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