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Year of first isolation: | 
2019 |  
| Formula: | C33H54O11 |  
| Molecular weight: | 626 |  
| Occurence in plants:  |  
Sphenocentrum jollyanum [Menispermaceae] »   ![Wikipedia: Sphenocentrum jollyanum [Menispermaceae]](/images/wikipedia.png)  
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| Occurence in animals:  |  
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| Canonical SMILES |   |  Isomeric SMILES [ PubChem: search | XML ] [ ChemSpider: search ] | C1[C@]2([C@@H](C[C@H]([C@H]1O)O)[C@H](CC1=C2CC[C@]2(C1=CC[C@@H]2[C@]([C@@H](CCC(C)(C)O)O[C@@H]1C(C([C@@H](C(O1)CO)O)O)O)(O)C)C)O)C »  
  |  | IUPAC Name | (2R,5S)-2-(((2R,3R)-2,6-dihydroxy-6-methyl-2-((2S,3R,5R,6S,10S,13R,17S)-2,3,6-trihydroxy-10,13-dimethyl-2,3,4,5,6,7,10,11,12,13,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)heptan-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol |  | CAS-RN |    |  | PubChem CID |    |  InChiKey [ ChemIDPlus: search ] | DQKMEUKDFNTCGB-NIBMHSDCSA-N |  | InChI | InChI=1S/C33H54O11/c1-30(2,41)10-9-25(44-29-28(40)27(39)26(38)23(15-34)43-29)33(5,42)24-7-6-17-16-12-20(35)19-13-21(36)22(37)14-32(19,4)18(16)8-11-31(17,24)3/h6,19-29,34-42H,7-15H2,1-5H3/t19-,20-,21+,22-,23?,24-,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 %)  |   |  | HRESI-MS m/z (positive ion mode) m/z | 649.3587 [M+Na] + , calc. for C33H54O11Na 649.3565 |  
  
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| CD3OD |  | 01 | 39.46  |  | 02 | 70.16  |  | 03 | 69.89  |  | 04 | 27.70  |  | 05 | 42.48  |  | 06 | 65.85  |  | 07 | 32.57  |  | 08 | 124.53  |  | 09 | 136.69  |  | 10 | 42.68  |  | 11 | 23.05  |  | 12 | 38.97  |  | 13 | 47.46  |  | 14 | 151.07  |  | 15 | 118.63  |  | 16 | 31.51  |  | 17 | 58.25  |  | 18 | 18.65  |  | 19 | 30.22  |  | 20 | 76.87  |  | 21 | 21.63  |  | 22 | 89.94  |  | 23 | 27.49  |  | 24 | 40.92  |  | 25 | 71.38  |  | 26 | 29.77  |  | 27 | 28.94`  |  | [sugar] 1' | 105.62 |  | [sugar] 2' | 75.44 |  | [sugar] 3' | 71.34 |  | [sugar] 4' | 77.94 |  | [sugar] 5'  | 78.08 |  | [sugar] 6'  | 62.39 |  
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| CD3OD |  | 01-Ha | 1.83 (dd, 3.6, 13.2)   |  | 01-Hb | 1.69 (m)   |  | 02-H | 3.27 (m)   |  | 03-He | 3.94 (m)   |  | 04-Ha | 1.91 (m)   |  | 04-Hb | 1.28 (m)   |  | 05-H | 1.92 (m)   |  | 06-H | 4.29 (m)   |  | 07-Ha | 2.30 (dd, 6.8, 16.4)   |  | 07-Hb | 2.15 (m)   |  | 09-H | -   |  | 11-Ha | 2.23 (m)   |  | 11-Hb |   |  | 12-Ha | 2.22 (m)   |  | 12-Hb | 1.45 (m)   |  | 15-H | 5.40 (br t, 2.4)   |  | 16-Ha | 2.66 (dd, 10.7, 15.4)   |  | 16-Hb | 2.12 (m)   |  | 17-H | 1.92 (m)   |  | 18-Me | 1.14 (s)   |  | 19-Me | 1.08 (s)   |  | 21-Me | 1.27 (s)   |  | 22-H | 3.49 (m)   |  | 23-Ha | 1.67 (m)   |  | 23-Hb | 1.55 (m)   |  | 24-Ha | 2.05 (m)   |  | 24-Hb | 1.44 (m)   |  | 25-H | -   |  | 26-Me | 1.19 (s)   |  | 27-Me | 1.17 (s)   |  | [sugar] 1' | 4.35 (d, 7.8) |  | [sugar] 2' | 3.27 (m) |  | [sugar] 3' | 3.35 (m) |  | [sugar] 4' | 3.39 (m) |  | [sugar] 5' | 3.33 (m) |  | [sugar] 6' | 3.86 (m) |  | [sugar] 6'' | 3.67 (m) |  
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| M.P. |   |  | [α]D20 | +  |  | IR (KBr) ν max (cm-1) |   |  | UV (DAD) λ max (log ε) | - () ; |  
  
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Permanent link to this datasheet: SPHENOCENTROSIDE A
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