Summary of Organic Synthesis Mechanisms for OCR A Level Chemistry

FREE RADICAL SUBSTITUTION

CH3CH Cla CH3CHzCl HCl

initiation Cl Cl 24

propagation CH Chs Cl cha Cha t HCl

CHzCH3 Cla cH3CHzCl t Cle

termination CH z CH 3 t CI CH3CHzCl
CH z CH s t CH2CH3 CH3CHzCHzCH3

Cl t.ci Clz

ELECTROPHILIC ADDITION
Cz Hy t HX C2 H X


E In
Ige II
a of n
H f
x

NUCLEOPHILIC SUBSTITUTION
CzHSX NaOH Ca HSOH Max


H
É_É m c c on wax

I HH

ELECTROPHILIC SUBSTITUTION

Electrophile Generation
Feels Fell 1
Chlorination Alll t Cla Al Cly t Clt

Bromination AIBr t Bra AFBBrit Brt