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| Year of first isolation: | 2007 |  | Formula: | C33H54O12 |  | Molecular weight: | 642 |  | Occurence in plants: |  | Sida rhombifolia [Malvaceae] »   ![Wikipedia: Sida rhombifolia [Malvaceae]](/images/wikipedia.png) 
 |  | Occurence in animals: |  |  |  |   |  |
 | | Canonical SMILES | CC(C)C(CC(C(C)(C1CCC2(C1(CCC3C2=CC(=O)C4C3(CC(C(C4)OC5C(C(C(C(O5)CO)O)O)O)O)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](O)C[C@@H](C(C)C)O)O)O)C)C  »  (pterosterone  »
  3-glucoside  »
  [24S]) »
  
 |  | IUPAC Name | (2S,3R,5R,9R,10R,13R,14S,17S)-2,14-dihydroxy-10,13-dimethyl-3-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-17-[(2R,3R,5R)-2,3,5-trihydroxy-6-methylheptan-2-yl]-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one |  | CAS-RN |  |  | PubChem CID | 102393300 |  | InChiKey [ ChemIDPlus: search ]
 | SXUOGSUSSZGLRG-KHIRMCSPSA-N |  | InChI | InChI=1S/C33H54O12/c1-15(2)19(35)12-25(38)32(5,42)24-7-9-33(43)17-10-20(36)18-11-22(44-29-28(41)27(40)26(39)23(14-34)45-29)21(37)13-30(18,3)16(17)6-8-31(24,33)4/h10,15-16,18-19,21-29,34-35,37-43H,6-9,11-14H2,1-5H3/t16-,18-,19+,21-,22+,23+,24-,25+,26+,27-,28+,29+,30+,31+,32+,33+/m0/s1 | 
 
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 | | EI-MS m/z (relative intensity %) |  |  | HR-ESI-MS | 665.3568 [M+Na]+ (calc. 665.3513 for [C33H54O12Na]+) |  | CI-MS (NH3) m/z |  | 
 
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 | | C5D5N |  | 01 | 38.9 |  | 02 | 67.4 |  | 03 | 77.3 |  | 04 | 30.4 |  | 05 | 51.3 |  | 06 | 203.3 |  | 07 | 121.6 |  | 08 | 166.5 |  | 09 | 34.2 |  | 10 | 38.6 |  | 11 | 21.0 |  | 12 | 31.7 |  | 13 | 48.0 |  | 14 | 84.1 |  | 15 | 31.9 |  | 16 | 21.5 |  | 17 | 49.9 |  | 18 | 17.9 |  | 19 | 24.0 |  | 20 | 76.7 |  | 21 | 21.7 |  | 22 | 77.6 |  | 23 | 35.8 |  | 24 | 76.7 |  | 25 | 33.9 |  | 26 | 16.9 |  | 27 | 19.6 |  | [sugar] 1' | 103.9 |  | [sugar] 2' | 74.7 |  | [sugar] 3' | 78.5 |  | [sugar] 4' | 71.5 |  | [sugar] 5' | 78.4 |  | [sugar] 6' | 62.4 | 
 | | C5D5N |  | 01-Ha | 1.72-1.78 |  | 01-He | 2.01-2.06 |  | 02-Ha | 4.12-4.14 |  | 03-He | 4.30 (br, s) |  | 04-Ha | 1.66-1.69 |  | 04-He | 2.19-2.23 |  | 05-H | 2.91-2.94 |  | 07-H | 6.22 (s) |  | 09-H | 3.54 (br, s) |  | 11-Ha | 1.78-1.80 |  | 11-He | 1.89 (t, 12.0) |  | 12-Ha | 2.56-2.58 |  | 12-He | 1.92-1.98 |  | 15-Ha | 2.01-2.09 |  | 15-Hb | 2.53-2.56 |  | 16-Ha | 2.45 (br, s) |  | 16-Hb | 2.48 (br, s) |  | 17-H | 2.89-2.91 |  | 18-Me | 1.18 (s) |  | 19-Me | 0.86 (s) |  | 20-H | 2.09-2.13 |  | 21-Me | 1.58 (s) |  | 22-H | 4.12-4.14 |  | 23-Ha | 1.98-2.01 |  | 23-Hb | 2.06-2.09 |  | 24-H | 3.95 (q, 4) |  | 25-H | 1.69-1.78 |  | 26-Me | 1.02 (d, 6.4) |  | 27-Me | 1.02 (d, 6.4) |  | [sugar] 1' | 4.91 (d, 7.6) |  | [sugar] 2' | 4.03 (t, 8.0) |  | [sugar] 3' | 3.91 (br, s) |  | [sugar] 4' | 4.22 (m) |  | [sugar] 5' | 4.21 (m) |  | [sugar] 6' | 4.33 (m) |  | [sugar] 6'' | 4.52 (d, 11.6) | 
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 | | M.P. | °C ; |  | [α]D20 | + 29.1 (c 3.27; pyridine) |  | UV (MeOH) λ max (ε) | 250 (4832) ; |  | IR (NaCl) ν max (cm-1) | 3379, 1648, 1374, 1169, 1074, 1025 | 
 
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 |  | Permanent link to this datasheet: PTEROSTERONE 3-O-β-D-GLUCOPYRANOSIDE |  |