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| Year of first report: | 1986 |
| Formula: | C33H54O10 |
| Molecular weight: | 610 |
| Occurence in plants: |
Blechnum minus [fern] »  ![Wikipedia: <br />
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Silene brahuica [Caryophyllaceae] »
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![BLECHNOSIDE A [= SILENOSIDE E]](images/ecdy/170.gif)
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| DEI m/z (relative intenzity %) | DCI-MS gives a parent ion at m/z 611 [M+1] (0.4%); 431 [M+1-glucose] (10%) | | EI-MS m/z (relative intensity %) | | | HR-MS | |
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| C5D5N | | 01 | 29.9 * | | 02 | 29.5 * | | 03 | 72.5 | | 04 | 27.6 * | | 05 | 51.5 | | 06 | 203.0 | | 07 | 121.3 | | 08 | 165.9 | | 09 | 34.7 | | 10 | 36.8 | | 11 | 21.6 | | 12 | 31.8 | | 13 | 48.2 | | 14 | 84.1 | | 15 | 31.8 | | 16 | 26.8 | | 17 | 48.4 | | 18 | 15.9 | | 19 | 24.0 | | 20 | 43.0 | | 21 | 13.7 | | 22 | 74.1 | | 23 | 25.8 | | 24 | 42.5 | | 25 | 69.8 | | 26 | 30.0 | | 27 | 30.3 | | glu-1 | 103.3 | | glu-2 | 75.3 | | glu-3 | 78.3 | | glu-4 | 71.9 | | glu-5 | 78.7 | | glu-6 | 63.0 |
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| C5D5N | | 01-Ha | | | 02-Ha | | | 02-He | | | 03-He | 3.84 | | 04-Ha | | | 04-He | | | 05-H | 2.89 | | 07-H | 6.17 (d ) | | 09-Ha | 3.44 | | 11-Ha | | | 11-He | | | 12-Ha | | | 12-He | | | 15-Ha | | | 15-Hb | | | 16-Ha | | | 16-Hb | | | 17-H | | | 18-Me | 0.68 (s ) | | 19-Me | 0.83 (s ) | | 21-Me | 1.27 (d , 6.5) | | 22-Hb | 4.10 | | 23-Ha | | | 24-Ha | | | 24-Hb | | | 26-Me | 1.37 (s ) | | 27-Me | 1.37 (s ) | | glu sign.: | | | glu- 1H | 4.86 (d, 7.5) | | glu-(2-6)H | 4.0 - 4.5 |
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| M.P. | 195-196 °C | | [α]D20 | + 44.4 ? 2° (c 0.80; MeOH) | | IR (KBr) ν max (cm-1) | 3380-3430 (OH), 1655 (cyclohexenone) | | UV (EtOH) λ max (log ε) | 245 (4.0) - 243 (4.02) |
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| HPTLC | | | TLC | Silica Rf 0.2 (vanillin spray gives a blue/green spot) [CHCl3-EtOH 80:20] | | GLC | | | HPLC | NP-HPLC on Spherisorb S GP (50 cm x 8 mm) solvent CHCl3-EtOH (88:12) |
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Drosophila melanogaster BII cell assay: inactive |
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Permanent link to this datasheet: BLECHNOSIDE A [= SILENOSIDE E]
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