Classification of isoprenoid compounds according to the number of isoprene units. Reproduced from ref. 69 with permission from Taylor & Francis
| No. of units . | No. of C atoms . | Group . | Example . |
|---|---|---|---|
| 1 | 5 | Hemiterpenoids | Isoprene |
| 2 | 10 | Monoterpenoids | p-Menthadienol |
| 3 | 15 | Sesquiterpenoids | α-Bisabolol |
| 4 | 20 | Diterpenoids | Trisporic acid |
| 5 | 25 | Sesterterpenoids | Pentaprenol |
| 6 | 30 | Triterpenoids | Ambrein |
| 8 | 40 | Tetraterpenoids | Neoxanthin |
| >8 | >40 | Polyterpenoids | Rubber |
| No. of units . | No. of C atoms . | Group . | Example . |
|---|---|---|---|
| 1 | 5 | Hemiterpenoids | Isoprene |
| 2 | 10 | Monoterpenoids | p-Menthadienol |
| 3 | 15 | Sesquiterpenoids | α-Bisabolol |
| 4 | 20 | Diterpenoids | Trisporic acid |
| 5 | 25 | Sesterterpenoids | Pentaprenol |
| 6 | 30 | Triterpenoids | Ambrein |
| 8 | 40 | Tetraterpenoids | Neoxanthin |
| >8 | >40 | Polyterpenoids | Rubber |