Carbocation Analogues: Nitrenium ions

1
Carbocation Analogues Nitrenium ions?
2
Evidence to support the existence of nitrenium
ions
3
Carbocation Analogues

• Oxenium ions?

4
Relevant Facts (I)

• Evidence against a free radical pathway

5
Relevant Facts (II)

• Evidence against a concerted pathway

6
A plausible explanation involving the
intermediacy of Oxenium ions
7
A plausible explanation involving the
intermediacy of Oxenium ions contd.
8
(No Transcript)