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| Year of first isolation: | 1984 |  | Formula: | C33H54O12 |  | Molecular weight: | 642 |  | Occurence in plants: |  | Silene brahuica [Caryophyllaceae] »   ![Wikipedia: Silene brahuica [Caryophyllaceae]](/images/wikipedia.png) 
 |  | Occurence in animals: |  |  |  |   |  |
 | | Canonical SMILES | CC12CCC3C(=CC(=O)C4C3(CC(C(C4)OC5C(C(C(C(O5)CO)O)O)O)O)C)C1(CCC2C(C)(C(CCC(C)(C)O)O)O)O |  | Isomeric SMILES [ PubChem: search | XML ]
 [ ChemSpider: search ]
 | C1[C@]2([C@@H](C[C@H]([C@H]1O)O[C@H]1C(C([C@H](C(O1)CO)O)O)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)O)O)C)C »  
 |  | IUPAC Name | (2S,3R,5R,9R,10R,13R,14S,17S)-2,14-dihydroxy-10,13-dimethyl-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-17-[(2R,3R)-2,3,6-trihydroxy-6-methylheptan-2-yl]-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one |  | CAS-RN | 93552-68-2 |  | PubChem CID | 21768882 |  | InChiKey [ ChemIDPlus: search ]
 | APFXLSITBUTSAO-SDNJJZGQSA-N |  | InChI | InChI=1S/C33H54O12/c1-29(2,41)9-8-24(37)32(5,42)23-7-11-33(43)17-12-19(35)18-13-21(44-28-27(40)26(39)25(38)22(15-34)45-28)20(36)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 | 
 
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 | | CI-MS (NH3) m/z |  |  | EI-MS m/z (relative intensity %) | 624 (M-18)+ (0.5), 606 (0.8), 588 (5), 570 (1), 514 (0.8), 507 (0.7), 490 (0.9), 473 (0.6), 462 (1), 444 (1), 426 (11), 411 (2), 408 (3), 393 (1), 375 (1), 363 (5), 345 (55), 327 (13), 309 (10), 300 (11), 284 (11), 145 (10), 143 (12), 135 (11), 99 (100), 81 (55), 69 (53). |  | HR-MS |  | 
 
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 | | C5D5N |  | 01 |  |  | 02 | 68.0 |  | 03 | 79.0 * |  | 04 |  |  | 05 |  |  | 06 |  |  | 07 |  |  | 08 |  |  | 09 |  |  | 10 |  |  | 11 |  |  | 12 |  |  | 13 |  |  | 14 | 84.2 |  | 15 |  |  | 16 |  |  | 17 |  |  | 18 |  |  | 19 |  |  | 20 | 76.8 |  | 21 |  |  | 22 | 77.5 |  | 23 |  |  | 24 |  |  | 25 | 69.6 |  | 26 |  |  | 27 |  |  | s1' | 103.5 |  | s2' | 70.9 |  | s3' | 71.6 |  | s4' | 70.9 |  | s5' | 73.3 |  | s6' | 62.5 | 
 | | C5D5N |  | 01-Ha |  |  | 01-He |  |  | 02-Ha | 3.96 (m ) |  | 03-He | 3.96 (m ) |  | 04-Ha |  |  | 04-He |  |  | 05-H |  |  | 07-H | 6.10 |  | 09-Ha | 3.37 |  | 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 | 0.86 |  | 21-Me | 1.48 |  | 22-H | 3.75 |  | 23-Ha |  |  | 23-Hb |  |  | 24-Ha |  |  | 24-Hb |  |  | 26-Me | 1.25 |  | 27-Me | 1.25 |  | H-1' | 5.48 (d, 3.9) | 
 | CDCl3 (hepta-OAc) |  | 01-Ha |  |  | 01-He |  |  | 02-Ha | 5.13 (m, w1/2=21) |  | 03-He | 4.09 (m, w1/2=8) |  | 04-Ha |  |  | 04-He |  |  | 05-H |  |  | 07-H | 6.07 |  | 09-Ha | 3.49 |  | 11-Ha |  |  | 11-He |  |  | 12-Ha |  |  | 12-He |  |  | 14-H |  |  | 15-Ha |  |  | 15-Hb |  |  | 16-Ha |  |  | 16-Hb |  |  | 17-H |  |  | 18-Me | 1.01 |  | 19-Me | 0.89 |  | 21-Me | 1.49 |  | 22-H | 5.29 (d br ) |  | 23-Ha |  |  | 23-Hb |  |  | 24-Ha |  |  | 24-Hb |  |  | 26-Me | 1.32 |  | 27-Me | 1.33 |  | H-1' | 5.63 (d, 3.6) | 
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 | | M.P. | 240-242 °C |  | [α]D20 | + 91.2 ? 2 ° (c 1.01; MeOH) |  | IR (KBr) ν max (cm-1) | 3380-3430 (OH), 1648 (cyclohexenone) |  | UV (EtOH) λ max (log ε) | 247 (4.15) | 
 
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 | | HPTLC |  |  | TLC |  |  | GLC |  |  | HPLC |  |  | LC | silicagel with CHCl3-MeOH (4:1, v/v) | 
 
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 | | Drosophila melanogaster BII cell assay: EC50 = 3.0 x 10-5M | 
 
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 |  | Permanent link to this datasheet: SILENEOSIDE D |  |