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| Year of first isolation: | 1986 |  | Formula: | C27H42O4 |  | Molecular weight: | 430 |  | Occurence in plants: |  |  |  | Occurence in animals: |  | Diaulula sandiegensis [Mollusca] »   ![Wikipedia: Diaulula sandiegensis [Mollusca]](/images/wikipedia.png) 
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 | | Canonical SMILES | CC(CCCC(C)(C)O)C1CCC2C1(CCC3C2=CC(=O)C4=CC(C(CC34C)O)O)C |  | Isomeric SMILES [ PubChem: search | XML ]
 [ ChemSpider: search ]
 | C1[C@]2(C(=C[C@@H]([C@@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2(C1CC[C@@H]2[C@H](C)CCCC(C)(C)O)C)C  »  C1[C@]2(C(=C[C@@H]([C@@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@H]1CC[C@@H]2[C@H](C)CCCC(C)(C)O)C)C  »
  C1[C@]2(C(=C[C@@H]([C@@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@@H]1CC[C@@H]2[C@H](C)CCCC(C)(C)O)C)C »
  
 |  | IUPAC Name | (2R,3S,9S,10R,13R,14R,17R)-2,3-dihydroxy-17-[(2R)-6-hydroxy-6-methylheptan-2-yl]-10,13-dimethyl-1,2,3,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-6-one |  | CAS-RN | 105317-87-1 |  | PubChem CID | 44445498 |  | InChiKey [ ChemIDPlus: search ]
 | NKTPHQGGTBBIOB-LDEZCDJPSA-N |  | InChI | InChI=1S/C27H42O4/c1-16(7-6-11-25(2,3)31)18-8-9-19-17-13-22(28)21-14-23(29)24(30)15-27(21,5)20(17)10-12-26(18,19)4/h13-14,16,18-20,23-24,29-31H,6-12,15H2,1-5H3/t16-,18-,19+,20+,23+,24-,26-,27-/m1/s1 | 
 
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 | | CI-MS (NH3) m/z |  |  | EI-MS m/z (relative intensity %) |  |  | HR-MS | (M)+ 430.3055 (Calc. 430.3083) | 
 
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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 |  | 
 | | CDCl3 |  | 01-He |  |  | 02-Ha | 3.88 (m) |  | 03-He | 4.27 (m) |  | 04-Ha | 6.54 (d, 5) |  | 04-He | 5.87 (bs) |  | 05-H |  |  | 07-H |  |  | 09-Ha |  |  | 11-Ha |  |  | 11-He |  |  | 12-Ha |  |  | 12-He |  |  | 15-Ha |  |  | 15-Hb |  |  | 16-Ha |  |  | 16-Hb |  |  | 17-H |  |  | 18-Me | 0.65 (s) |  | 19-Me | 1.17 (s) |  | 20-H |  |  | 21-Me | 0.97 (d, 7) |  | 22-H |  |  | 23-Ha |  |  | 23-Hb |  |  | 24-Ha |  |  | 24-Hb |  |  | 26-Me | 1.23 (s) |  | 27-Me | 1.23 (s) | 
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 | | M.P. |  |  | [α]D20 |  |  | IR (KBr) ν max (cm-1) |  |  | UV (EtOH) λ max (log ε) |  | 
 
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 | | HPTLC |  |  | TLC | (silica) Rf 0.15 (EtOAc) |  | GLC |  |  | HPLC | column Whatman magnum ODS-3, solvent MeOH-H2O (7:3) | 
 
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 |  | Permanent link to this datasheet: DIAULUSTEROL B |  |