|
|
|---|
| Basic forms: |
- Acyclic (linear, cis and trans forms)
- Monocyclic (single ring)
- Bicyclic (2 rings)
-
Iridoids (cyclopentane ring)
- Iridoid glycosides (iridoids bound to a sugar)
-
Steroids (4 rings)
|
|
Hemiterpenoids (1) |
|
|
Monoterpenes (C10H16)(2) |
| Acyclic |
|
| Monocyclic |
|
| Bicyclic |
|
|
| Monoterpenoids (2,modified) |
| Acyclic |
|
| Monocyclic |
|
| Bicyclic |
|
|
|
Sesquiterpenoids (3) |
|
|
Diterpenoids (4) |
| Acyclic |
|
| Monocyclic |
|
| Bicyclic |
|
| Tricyclic |
|
| Tetracyclic |
|
| Resin acids |
|
|
|
Sesterterpenoids (5) |
|
|
Triterpenoids (6) |
|
| Sesquarterpenes/oids (7) |
- Ferrugicadiol
- Tetraprenylcurcumene
|
Tetraterpenoids
(Carotenoids) (8) |
|
|
Polyterpenoids (many) |
|
| Norisoprenoids (modified) |
- 3-oxo-α-ionol
- 7,8-dihydroionone
|
| Synthesis |
|
| Activated isoprene forms |
|
