|
|
Year of first isolation: |
1981 |
Formula: | C33H54O12 |
Molecular weight: | 642 |
Occurence in plants: |
Silene brahuica [Caryophyllaceae] »
|
Occurence in animals: |
|
|
| |
Canonical SMILES | CC12CCC3C(=CC(=O)C4C3(CC(C(C4)O)O)C)C1(CCC2C(C)(C(CCC(C)(C)O)OC5C(C(C(C(O5)CO)O)O)O)O)O | Isomeric SMILES [ PubChem: search | XML ] [ ChemSpider: search ] | C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](CCC(C)(C)O)O[C@@H]1C(C([C@H](C(O1)CO)O)O)O)O)O)C)C »
| IUPAC Name | (2R,3R,5R,9R,10R,13R,17S)-17-[(2R,3R)-2,6-dihydroxy-6-methyl-3-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyheptan-2-yl]-2,3,14-trihydroxy-10,13-dimethyl-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one | CAS-RN | 81655-86-9 | PubChem CID | 196202 | InChiKey [ ChemIDPlus: search ] | OYLAWXRQIJWVHG-PRYDOBOQSA-N | InChI | InChI=1S/C33H54O12/c1-29(2,41)9-8-24(45-28-27(40)26(39)25(38)22(15-34)44-28)32(5,42)23-7-11-33(43)17-12-19(35)18-13-20(36)21(37)14-30(18,3)16(17)6-10-31(23,33)4/h12,16,18,20-28,34,36-43H,6-11,13-15H2,1-5H3/t16-,18-,20+,21+,22+,23-,24+,25-,26-,27+,28+,30+,31+,32+,33?/m0/s1 |
| |
CI-MS (NH3) m/z | | EI-MS m/z (relative intensity %) | 623 (M-18)+ (0.3), 606 (0.8), 588 (0.5), 570 (0.2), 489 (1.1), 473 (2.0), 463 (2.2), 455 (3.8), 445 (5), 444 (4), 427 (34), 426 (35), 409 (12), 408 (11), 393 (3.8), 363 (3.7), 358 (5), 352 (17), 345 (100), 344 (94), 327 (67), 309 (22), 300 (34), 163 (20), 145 (22), 142 (33), 99 (66), 81 (44), 69 (42). | HR-MS | |
|
|
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 | |
|
C5D5N | 01-Ha | | 01-He | | 02-Ha | 4.0-4.2 | 03-He | 4.0-4.2 | 04-Ha | | 04-He | | 05-H | | 07-H | 6.11 | 09-Ha | 3.42 | 11-Ha | | 11-He | | 12-Ha | | 12-He | | 14-H | | 15-Ha | | 15-Hb | | 16-Ha | | 16-Hb | | 17-H | | 18-Me | 1.09 | 19-Me | 0.90 | 21-Me | 1.49 | 22-H | 3.59 | 23-Ha | | 23-Hb | | 24-Ha | | 24-Hb | | 26-Me | 1.24 | 27-Me | 1.30 |
|
| |
M.P. | 254-256 °C | [α]D22 | + 93.1 ? 2 ° (c 1.02; MeOH) | IR (KBr) ν max (cm-1) | 3370-3440 (OH), 1645 (cyclohexenone) | UV (EtOH) λ max (log ε) | 246 (4.15) |
| |
| |
Drosophila melanogaster BII cell assay: EC50 = 4.1 x 10-5M |
| |
|
Permanent link to this datasheet: SILENEOSIDE A
|
|