CH1012
L1 /
‹#›
L1 /
2
SN1 REACTIONS
THE SN1 MECHANISM
3o alkyl halides R3C-X always SN1
Experimentally
Rate (of
subs.) = k [R3CX]
Proposed Mechanism
planar intermediate
carbocation
(Pr = C3H7)
slow
fast
S
S
R
Equal amounts of R, S - a racemic mixture is
formed.
