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Year of first isolation: | 
2022 |  
| Formula: | C31H50O8 |  
| Molecular weight: | 550 |  
| Occurence in plants:  |  
Ajuga decumbens [Lamiaceae (alt. Labiatae)] »   ![Wikipedia: Ajuga decumbens [Lamiaceae (alt. Labiatae)]](/images/wikipedia.png)  
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| Occurence in animals:  |  
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Isomeric SMILES [ PubChem: search | XML ] [ ChemSpider: search ] | C[C@@]12[C@@](C(C=C3C2[C@H](O)C[C@@]4(C)[C@@]3(O)CC[C@@H]4[C@@]5(C)[C@H](OC(CCCO)O5)CCC(C)C)=O)([H])C[C@@H](O)[C@@H](O)C1 »  
  |  | IUPAC Name | (2S,3R,5R,10R,11R,13R,14S,17S)-2,3,11,14-tetrahydroxy-17-((4S,5R)-2-(3-hydroxypropyl)-5-isopentyl-4-methyl-1,3-dioxolan-4-yl)-10,13-dimethyl-1,2,3,4,5,9,10,11,12,13,14,15,16,17-tetradecahydro-6H-cyclopenta[a]phenanthren-6-one |  | CAS-RN |    |  | PubChem CID |    |  InChiKey [ ChemIDPlus: search ] | CKOZSEWXXHZDQZ-PPDJEQFFSA-N |  | InChI | InChI=1S/C31H50O8/c1-17(2)8-9-25-30(5,39-26(38-25)7-6-12-32)24-10-11-31(37)19-14-20(33)18-13-21(34)22(35)15-28(18,3)27(19)23(36)16-29(24,31)4/h14,17-18,21-27,32,34-37H,6-13,15-16H2,1-5H3/t18-,21+,22-,23+,24-,25+,26?,27?,28-,29+,30-,31+/m0/s1 |  
  
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| CI-MS (NH3) m/z  |   |  | EI-MS m/z (relative intensity %)  |   |  | HRESIMS (positive ion mode) m/z
 | 573.3398 [M+Na]+, calc. 573.3398 |  
  
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| CD3OD |  | 01 | 37.7  |  | 02 | 67.6  |  | 03 | 67.2  |  | 04 | 32.0  |  | 05 | 51.4  |  | 06 | 205.5  |  | 07 | 121.5  |  | 08 | 164.1  |  | 09 | 41.5  |  | 10 | 38.5  |  | 11 | 68.1  |  | 12 | 42.0  |  | 13 | 46.8  |  | 14 | 83.5  |  | 15 | 30.5  |  | 16 | 21.3  |  | 17 | 49.7  |  | 18 | 17.1  |  | 19 | 23.3  |  | 20 | 83.6  |  | 21 | 22.2  |  | 22 | 83.8  |  | 23 | 26.3  |  | 24 | 36.3  |  | 25 | 27.9  |  | 26 | 21.6  |  | 27 | 21.7  |  | 28 | 104.0  |  | 29 | 31.5  |  | 30 | 26.8 |  | 31 | 61.6 |  
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| CD3OD |  | 01-Ha | 1.36 (m)   |  | 01-Hb | 2.58 (dd, 12.9, 4.0))   |  | 02-Ha | 4.01 (td, 8.0, 3.9)   |  | 03-He | 3.97 (m)   |  | 04-Ha | 1.75 (m)   |  | 04-Hb | 1.72 (m)   |  | 05-H | 2.32 (d, 4.0)   |  | 07-H | 5.81 (d, 2.6)   |  | 09-H | 3.14 (dd, 9.0, 2.7)   |  | 11-H | 4.08 (m)   |  | 12-Ha | 2.15 (m)   |  | 12-Hb |   |  | 15-Ha | 1.94 (m)   |  | 15-Hb | 1.58 (m)   |  | 16-Ha | 1.91 (m)   |  | 16-Hb | 1.86 (m)   |  | 17-H | 2.36 (m)   |  | 18-Me | 0.84 (s)   |  | 19-Me | 1.06 (s)   |  | 21-Me | 1.16 (s)   |  | 22-H | 3.64 (m)   |  | 23-Ha | 1.46 (m)   |  | 23-Hb | 1.44 (m)   |  | 24-Ha | 1.43 (m)   |  | 24-Hb | 1.24 (m) |  | 25-H | 1.59 (m)   |  | 26-Me | 0.93 (d, 1.8)   |  | 27-Me | 0.92 (d, 1.8)   |  | 28-H | 5.94 (s)   |  | 29-Ha | 1.68 (m) |  | 29-Hb | 1.63 (m) |  | 30-H | 1.62 (m) |  | 31-H | 3.58 (m) |  
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| M.P. | 137-138 °C; |  | [α]D20 | – (c ; MeOH) |  | IR (KBr) ν max (cm-1) | – |  | UV (MeOH) λ max (log ε) | nm (-) ; – |  
  
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Permanent link to this datasheet: AJUGASTERONE 20,22-DIOXOLANE B
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