Page 149 - Pharm.Org.Chem-I 02-06-05-101

Substitution versus Elimination
using a Nu also acting as base

E2 vs SN2

E1 vs SN1

Both E1 and SN1 share the same first step
of the reaction which is formation of
carbocation.
Stability of carbocations: 3o > 2o > 1o.

Substitution versus Elimination
using a strong Nu also acting as strong base

1. Methyl halides

2. Primary alkyl halides

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