4-Membered Rings
Compounds with one heteroatom:
| Heteroatom | Saturated | Unsaturated |
|---|---|---|
| Nitrogen | Azetidine | Azete |
| Oxygen | Oxetane | Oxete |
| Sulfur | Thietane | Thiete |
Compounds with two heteroatoms:
| Heteroatom | Saturated | Unsaturated |
|---|---|---|
| Nitrogen | Diazetidine | |
| Oxygen | Dioxetane | Dioxete |
| Sulfur | Dithietane | Dithiete |
Read more about this topic: Heterocyclic Compound
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