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
Famous quotes containing the word rings:
“‘She has got rings on every finger,
Round one of them she have got three.
She have gold enough around her middle
To buy Northumberland that belongs to thee.”
—Unknown. Young Beichan (l. 61–64)