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| Year of first isolation: | 1992 |  | Formula: | C28H44O6 |  | Molecular weight: | 476 |  | Occurence in plants: |  | Polyporus umbellatus [Fungi] »   ![Wikipedia: Polyporus umbellatus [Fungi]](/images/wikipedia.png) 
 |  | Occurence in animals: |  |  |  |   |  |
 | | Canonical SMILES | CC(C)C(=C)CC(C(C)(C1CCC2(C1(CCC3C2=CC(=O)C4C3(CC(C(C4)O)O)C)C)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](CC(=C)C(C)C)O)O)O)C)C »  
 |  | IUPAC Name | (2S,3R,5R,9R,10R,13R,14S,17S)-17-[(2R,3R)-2,3-dihydroxy-6-methyl-5-methylideneheptan-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 |  |  | PubChem CID | 15168041 |  | InChiKey [ ChemIDPlus: search ]
 | OQDKHYZVFZGSRC-DWJOQFFMSA-N |  | InChI | InChI=1S/C28H44O6/c1-15(2)16(3)11-24(32)27(6,33)23-8-10-28(34)18-12-20(29)19-13-21(30)22(31)14-25(19,4)17(18)7-9-26(23,28)5/h12,15,17,19,21-24,30-34H,3,7-11,13-14H2,1-2,4-6H3/t17-,19-,21+,22-,23-,24+,25+,26+,27+,28+/m0/s1 | 
 
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 | | CI-MS (NH3) m/z |  |  | EI-MS m/z (relative intensity %) |  |  | FD-MS m/z | 499 [M+Na]+, 477 [M+1]+, 476 [M]+, 363 [M-C7H13O]+, 113 [C7H13O]+, base peak. |  | HR-MS |  | 
 
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 | | C5D5N |  | 01 | 37.9 |  | 02 | 67.8 |  | 03 | 67.8 |  | 04 | 32.3 |  | 05 | 51.2 |  | 06 | 202.4 |  | 07 | 121.1 |  | 08 | 165.3 |  | 09 | 34.4 |  | 10 | 38.5 |  | 11 | 21.1 |  | 12 | 21.4 |  | 13 | 47.9 |  | 14 | 83.7 |  | 15 | 31.9 |  | 16 | 31.6 |  | 17 | 49.7 |  | 18 | 17.8 |  | 19 | 24.4 |  | 20 | 76.5 |  | 21 | 21.3 |  | 22 | 74.3 |  | 23 | 37.1 |  | 24 | 36.0 |  | 25 | 29.6 |  | 26 | 16.1 |  | 27 | 15.8 |  | 28 | 21.2 | 
 | | C5D5N |  | 01-Ha |  |  | 01-Hb |  |  | 02-Ha | 4.18 (br d, 11.2) |  | 03-He | 4.24 (br s ) |  | 04-Ha |  |  | 04-He |  |  | 05-H |  |  | 07-H | 6.28 (d, 2.5) |  | 09-Ha | 3.61 (m ) |  | 11-Ha |  |  | 11-He |  |  | 12-Ha |  |  | 12-He |  |  | 15-Ha |  |  | 15-Hb |  |  | 16-Ha |  |  | 16-Hb |  |  | 17-H | 2.94 (dd, 9.4, 9.0) |  | 18-Me | 1.25 (s ) |  | 19-Me | 1.09 (s ) |  | 21-Me | 1.59 (s ) |  | 22-H | 3.93 (br d, 9.5) |  | 23-Ha |  |  | 23-Hb |  |  | 24-H | 1.88 (m ) |  | 25-H | 1.45 (septed, 6.2) |  | 26-Me | 0.88 (d, 6.1) |  | 27-Me | 0.87 (d, 6.4) |  | 28-Me | 0.76 (d, 6.8) | 
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 | | M.P. | 250 °C |  | [α]D20 | + 56.1 ° (c 0.46; EtOH) |  | IR (KBr) ν max (cm-1) | 3300 (OH), 1650 (C=O), 803 (C=CH2) |  | UV (EtOH) λ max (log ε) | 241 (4.05) | 
 
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 | | HPTLC |  |  | TLC |  |  | GLC |  |  | HPLC | RP-HPLC, Column Inertsil ODS (20x250 mm), 30% THF in water, flow-rate 10 ml.min-1 Ret. 12.3 min | 
 
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 | | Drosophila melanogaster BII cell assay: EC50 = 2.1 x 10-9M | 
 
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 |  | Permanent link to this datasheet: POLYPORUSTERONE B |  |