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| Year of first isolation: | 1995 |  | Formula: | C33H54O10 |  | Molecular weight: | 610 |  | Occurence in plants: |  | Silene brahuica [Caryophyllaceae] »   ![Wikipedia: Silene brahuica [Caryophyllaceae]](/images/wikipedia.png) 
 |  | Occurence in animals: |  |  |  |   |  |
 | | Canonical SMILES | CC(C1CCC2(C1(CCC3C2=CC(=O)C4C3(CCC(C4)OC5C(C(C(C(O5)CO)O)O)O)C)C)O)C(CCC(C)(C)O)O |  | Isomeric SMILES [ PubChem: search | XML ]
 [ ChemSpider: search ]
 | C1[C@]2([C@H](C[C@H](C1)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@H](C)[C@@H](CCC(C)(C)O)O)O)C)C »  
 |  | IUPAC Name | (3S,5S,9R,10R,13R,14S,17R)-17-[(2S,3R)-3,6-dihydroxy-6-methylheptan-2-yl]-14-hydroxy-10,13-dimethyl-3-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one |  | CAS-RN |  |  | PubChem CID | 21768861 |  | InChiKey [ ChemIDPlus: search ]
 | KIYBOATYEXVQQC-RQWKLHRJSA-N |  | InChI | InChI=1S/C33H54O10/c1-17(23(35)9-10-30(2,3)40)19-8-13-33(41)21-15-24(36)22-14-18(6-11-31(22,4)20(21)7-12-32(19,33)5)42-29-28(39)27(38)26(37)25(16-34)43-29/h15,17-20,22-23,25-29,34-35,37-41H,6-14,16H2,1-5H3/t17-,18-,19+,20-,22+,23+,25+,26+,27-,28+,29+,31+,32+,33+/m0/s1 | 
 
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 | | CI-MS (NH3) m/z |  |  | EI-MS m/z (relative intensity %) | 592 (M+ - H20) (3), 574 (7), 556 (1.4), 476 (2), 448 (6), 446 (7), 430 (10), 412 (60), 395 (16), 394 (13), 379 (8), 343 (8), 314 (11), 311 (12), 285 (50), 284 (100), 269 (15), 163 (9), 145 (12), 143 (8), 99 (80), 81 (80), 69 (50). |  | HR-MS |  | 
 
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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 |  |  | 29 |  | 
 | | C5D5N |  | 01-Ha |  |  | 01-He |  |  | 02-Ha |  |  | 03-He |  |  | 04-Ha |  |  | 04-He |  |  | 05-H |  |  | 07-H | 6.1(s) |  | 09-H | 3.44 (m) |  | 11-Ha |  |  | 11-He |  |  | 12-Ha |  |  | 12-He |  |  | 15-Ha |  |  | 15-Hb |  |  | 16-Ha |  |  | 16-Hb |  |  | 17-H |  |  | 18-Me | 0.71 (s) |  | 19-Me | 0.81 (s) |  | 20-H |  |  | 21-Me | 1.28 (d) |  | 22-H |  |  | 23-Ha |  |  | 23-Hb |  |  | 24-Ha |  |  | 24-Hb |  |  | 26-Me | 1.40 (s) |  | 27-Me | 1.40 (s) |  | H-1' | 4.98 (d) |  | Other: |  | 
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 | | M.P. |  |  | [α]D20 |  |  | IR (KBr) ν max (cm-1) | 3380-3400 (OH), 1670 (cyclohexenone) |  | UV (EtOH) λ max (log ε) |  | 
 
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 |  | Permanent link to this datasheet: (5α)-SILENOSIDE E |  |