[HYDROCARBONS REVISION] Directing Effect of Benzene + Resonance Stability of Benzene JC CHEM SITCOMS
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[HYDROCARBONS REVISION] Directing Effect of Benzene
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[HYDROCARBONS REVISION] Directing Effect of Benzene
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[HYDROCARBONS REVISION] Resonance Stability of Benzene
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[HYDROCARBONS REVISION] Resonance Stability of Benzene
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[HYDROCARBONS REVISION] Resonance Stability of Benzene

[HYDROCARBONS REVISION] Directing Effect of Benzene
[HYDROCARBONS REVISION] Directing Effect of Benzene
[HYDROCARBONS REVISION] Directing Effect of Benzene
[HYDROCARBONS REVISION] Directing Effect of Benzene
[HYDROCARBONS REVISION] Resonance Stability of Benzene
[HYDROCARBONS REVISION] Resonance Stability of Benzene
[HYDROCARBONS REVISION] Resonance Stability of Benzene

Overview

1. [HYDROCARBONS REVISION] Directing Effect of Benzene

The presence of substituents on the benzene ring can actually direct other incoming substituents to very specific positions (labelled 1,2,3,4,5,6). Take note of how you number the positions too. Check your data booklet to see if the existing substituent groups are 2,4-directing or 3-directing! If the 2,4-directing and 3-directing ever conflict, it will affect product yield. Substituents can either activate or deactivate the ring - which will in turn affect the reagents and conditions during synthesis of organic compounds.

2. [HYDROCARBONS REVISION] Directing Effect of Benzene

3. [HYDROCARBONS REVISION] Directing Effect of Benzene

4. [HYDROCARBONS REVISION] Directing Effect of Benzene

5. [HYDROCARBONS REVISION] Resonance Stability of Benzene

6. [HYDROCARBONS REVISION] Resonance Stability of Benzene

7. [HYDROCARBONS REVISION] Resonance Stability of Benzene

True and False. Test your conceptual understanding!