Table 1.
Classification of cembrane diterpenoids.
| Type | Subtype | Examples | Source | Structures |
|---|---|---|---|---|
| Simple cembrane | Isopropyl cembranes | Sarcophytol M (1) | Sarcophyton glaucum |
|
| Isopropenyl cembranes | Sinulariol C (2) | Sinularia mayi |
|
|
| Isopropyl/isopropenyl acid cembranes | Flexibilisin A (3) | Sinularia flexibilis |
|
|
| Cembranolides | 5-Membered lactone | Deacetyldeepoxy lobolide (4) | Lobophytum crassum |
|
| 6-Membered lactone | Manaarenolide A (5) | Sinularia manaarensis |
|
|
| 7-Membered lactone | Sinuladiterpene (6) | Sinularia flexibilis |
|
|
| 8-Membered lactone | Echinodolide (7) | Brazilian medicinal plant Echinodorus macrophyllus |
|
|
| Furanocembranoids | - | Pukalide (8) | Sinularia abrupt |
|
| Biscembranoids | - | Lobophytone A (9) | Lobophytum pauciflorum |
|
| Special cembranes | Secocembranes | Mayolide A (10) | Sinularia mayi |
|
| 13-Membered carbocyclic cembranoids | Sartol acetate (11) | Unidentified Sarcophyton species |
|
|
| Cembrane glycosides | Calyculaglycoside A (12) | Caribbean Gorgonian Octocoral Eunicea sp. |
|
|
| Cembrane-africanane | Polymaxenolide (13) | Sinularia maxima x S. polydactyla |
|
|
| Other cembranes | Planaxool (14) | Marine mollusk Planair sulratru |
|