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| Year of first report: | 1978 |
| Formula: | C27H44O6 |
| Molecular weight: | 408 |
| Occurence in plants: |
Ganoderma lucidum [Fungi] »  ![Wikipedia: <br />
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| Occurence in animals: |
Raphidostila incisa [Porifera] »
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| CI-MS (NH3) m/z | | | EI-MS m/z (relative intensity %) | 408 [M]+ (80), 283 [M-side-chain]+ (100), 229 [M- C13H23]+ (33), 125 (13) | | HR-MS | 408.3034, calcul. for C28H40O2 408.3028) |
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| C5D5N | | 01 | | | 02 | | | 03 | | | 04 | | | 05 | | | 06 | | | 07 | | | 08 | | | 09 | | | 10 | | | 11 | | | 12 | | | 13 | | | 14 | | | 15 | | | 16 | | | 17 | | | 18 | | | 19 | | | 20 | | | 21 | | | 22 | | | 23 | | | 24 | | | 25 | | | 26 | | | 27 | | | 28 | |
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| CDCl3 | | 01-Ha | | | 01-Hb | | | 02-Ha | | | 03-He | | | 04-Ha | | | 04-He | | | 05-H | | | 07-H | | | 09-Ha | | | 11-Ha | | | 11-He | | | 12-Ha | | | 12-He | | | 14-H | | | 15-Ha | | | 15-Hb | | | 16-Ha | | | 16-Hb | | | 17-H | | | 18-Me | 0.68 (s ) | | 19-Me | 1.30 (s ) | | 21-Me | 1.04 (d, 6.6) | | 22-H | | | 23-Ha | | | 23-Hb | | | 24-Ha | | | 24-Hb | | | 25-H | | | 26-Me | 0.82 (d, 6.6) | | 27-Me | 0.84 (d, 6.6) | | 28-Me | 0.92 (d, 6.6) |
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| M.P. | 156-159 °C | | [α]D20 | | | IR (KBr) ν max (cm-1) | 2950, 2870 (CH), 1665 (CO), 1640 (CO), 1620 (C=C), 1600 (C=C | | UV (EtOH) λ max (log ε) | 275 (3.8) |
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| HPTLC | | | TLC | | | GLC | | | HPLC | RP-HPLC, Nucleosil C18 (300 x 10 mm), MeOH 3 ml.min-1, Ret 12.2 min. |
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Permanent link to this datasheet: ERGOSTA-4,7,22-TRIENE-3,6-DIONE
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