| Reaction | Example | Comments |
|---|---|---|
| HX cleavage |  |
SN1 or SN2, depending on R; just like alcohols |
| Opening with aqueous acid |  |
Note anti- stereochemistry |
| Opening with other acids |  |
Stereospecific anti; regiospecific; HCl and HI also |
| Nucleophilic ring opening |  |
Opposite regioselectivity to acid; stereoselective |