Chapitre 5 Flashcards

1
Q

Bromation

A

Ajout de Br2 sur le cycle
Substitution nucleophile
FeBr3= catalyseur

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2
Q

Chloration

A

SN
Ajout Cl sur le cycle
Catalyseur: FeCl3

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3
Q

Nitration

A

SN
Ajout NO2 sur le cycle
Cat: H2SO4

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4
Q

Sulfonation

A

SN
Ajout HSO3 sur cycle

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5
Q

Alkylation de FriedelCraft

A

SN1
Réactif: R-Cl
Catalyseur: AlCl3

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6
Q

Acylation de Friedel-Craft

A

SN1
Catalyseur: AlCl3
Réactif: R-C(O) -CL

Produit: cycle- C(O)-R

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7
Q

Ortho/ Para

A

Donneur
1)Riche en doublet libre (O,N,Cl,..) Résonance&raquo_space;induction

2) Substituants alkyle -CH3, …
Induction» résonance

           Ici    /\  Ici
                  | |
                   \/
                   Ici
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8
Q

Méta

A

Attracteur
Halogène (-F, -Cl) très Electro(-)
Désactivant par Induction

2) Alcène, Alcyne
Désactivant Fort

        /\
       | |    Ici     \ / Ici
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9
Q

Oxydation des composés aromatiques

A

KMnO4/ H2O, H3O+
Liaison C-H en COOH
CH3 —> COOH

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