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| Year of first report: | 1992 |
| Formula: | C28H44O7 |
| Molecular weight: | 492 |
| Occurence in plants: |
Lasiosphaera nipponica [Fungi] »  ![Wikipedia: <br />
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| Occurence in animals: |
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| CI-MS (NH3) m/z | | | EI-MS m/z (relative intensity %) | 456 [M-2H2O]+ (4.7), 420 [M-4H2O]+ (8.3), 402[M-5H2O]+ (6.0), 301 (10.0), 239 (11.7), 161 (17.3), 139 (24.9), 123 (100), 95 (58.2) | | HR-FAB-MS | [M+Na]+ 515.2971, for C28H44O7Na calculated 515.2985 | | FAB-MS m/z | 515 [M+Na]+, 493 [M+H]+ |
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| C5D5N | | 01 | 34.2 | | 02 | 31.5 | | 03 | 69.1 | | 04 | 35.6 | | 05 | 57.2 | | 06 | 202.2 | | 07 | 121.6 | | 08 | 164.9 | | 09 | 33.8 | | 10 | 36.7 | | 11 | 20.4 | | 12 | 26.7 | | 13 | 51.4 | | 14 | 86.3 | | 15 | 33.6 | | 16 | 31.9 | | 17 | 89.0 | | 18 | 20.5 | | 19 | 26.4 | | 20 | 78.0 | | 21 | 26.4 | | 22 | 136.2 | | 23 | 131.8 | | 24 | 77.4 | | 25 | 74.4 | | 26 | 25.9 | | 27 | 25.8 | | 28 | 23.5 |
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| C5D5N | | 01-Ha | 1.10 (td , 14.7, 3.4)* | | 01-He | 1.10 (td , 14.7, 3.4)* | | 02-Ha | 1.85 (m ) | | 02-He | 2.02 (m ) | | 03-Ha | 3.86 (tt, 11.8, 6.0) | | 04-Ha | 1.82 (m ) | | 04-He | 2.12 (m ) | | 05-H | 2.31 (dd, 13.4, 3.4) | | 07-H | 6.18 (d, 2.4) | | 09-Ha | 3.64 (ddd, 11.0, 5.0, 2.4) | | 11-Ha | 1.64 (m )* | | 11-He | 1.79 (m )* | | 12-Ha | 2.50 (m ) | | 12-He | 2.90 (m ) | | 15-Ha | 2.93 (m ) | | 15-Hb | 2.13 (m ) | | 16-Ha | 2.11 (m )* | | 16-Hb | 2.11 (m )* | | 18-Me | 1.22 (s ) | | 19-Me | 0.97 (s ) | | 21-Me | 1.81 (s ) | | 22-H | 6.68 (d, 16.1) | | 23-H | 6.63 (d, 16.1) | | 26-Me | 1.55 (s ) | | 27-Me | 1.60 (s ) | | 28-Me | 1.72 (s ) |
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| M.P. | 254-256 °C | | [α]D23 | + 171° (c 0.41; MeOH) | | IR (KBr) ν max (cm-1) | 3436 (OH), 1640 (C=O), 1456, 1372, 1159, 1058, 1000, 800 | | UV (MeOH) λ max (log ε) | 242 (4.28) |
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Permanent link to this datasheet: 3β,14α,17α,20,24,25-HEXAHYDROXY-5α-ERGOSTA-7,22-DIEN-6-ONE
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