CH1012
L1
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L1
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5
ELECTROPHILIC ADDITION
Alkenes typically react with electrophilic
(electron loving, ie. short of e
-
) reagents
in
Electrophilic Addition Reactions
.
General Mechanism
carbocation intermediate
Addition of the atoms (groups) E
+
Nu
-
across
the double bond is
\
a 2 step reaction.
E
+
=
electrophile
eg.
H
+
, Br
+
Nu
-
=
nucleophile
eg. Br
-
, OH
-