Organic Chemistry Mechanisms

Chapter
eanisms
① Free radical substitution


Alkane +
Halogen -

Halogenalkane +
Hydrogen halide



1) Initiation
nur
Brz -
2BV .


-B
Br
-
.
Bir
Presence of

UV light

2) Propogation
Bre +
CM6
>
-
HBr +
C2M5 ·




(2H5 +
Brz
>
-
C2H5Br +
Br ·




3) Termination
Bro + Bo .
-
Br2
(215 Br C2H5 Br
+ .
-




② Nucleophilic substitution SNA -
unimolecular

tertiary
>
-




Halogens allane +
hydroxide ion - alcohol + halide in
8- ①
STEP H
-
Br M

-
H H
&I I ⑦ I
c
=
I
St
C M
-

c -


c
-



H + Br
2- c H
-




>
-
H
-
-

-




Hi s
it usin
Carbocation &
always intermediate
only arrow -


start at a
bord/love
pair &
go to the thing
that will take the e-