6-Membered Rings
Six-membered rings with a single heteroatom:
Heteroatom | Saturated | Unsaturated |
---|---|---|
Nitrogen | Piperidine (Azinane is not used) | Pyridine (Azine is not used) |
Oxygen | Oxane | Pyran (2H-Oxine is not used) |
Sulfur | Thiane | Thiopyran (2H-Thiine is not used) |
Silicon | Salinane | Siline |
Germanium | Germinane | Germine |
Tin | Stanninane | Stannine |
Boron | Borinane | Borinine |
Phosphorus | Phosphinane | Phosphinine |
Arsenic | Arsinane | Arsinine |
With two heteroatoms:
Heteroatom | Saturated | Unsaturated |
---|---|---|
Nitrogen / nitrogen | Piperazine | Diazines |
Oxygen / nitrogen | Morpholine | Oxazine |
Sulfur / nitrogen | Thiomorpholine | Thiazine |
Oxygen / oxygen | Dioxane | Dioxine |
Sulfur / sulfur | Dithiane | Dithiine |
With three heteroatoms:
Heteroatom | Saturated | Unsaturated |
---|---|---|
Nitrogen | Triazine | |
Oxygen | Trioxane |
With four heteroatoms:
Heteroatom | Saturated | Unsaturated |
---|---|---|
Nitrogen | Tetrazine |
The hypothetical compound with six nitrogen heteroatoms would be hexazine.
Read more about this topic: Heterocyclic Compound
Famous quotes containing the word rings:
“We will have rings and things, and fine array,
And kiss me, Kate, we will be married o Sunday.”
—William Shakespeare (15641616)