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Cas Database |
| Name |
Spirostan-6-one, 3,5-dihydroxy-, (3b,5a,25R)- |
EINECS | 1312995-182-4 |
| CAS No. | 56786-63-1 | Density | 1.21±0.1 g/cm3 (20 oC 760 Torr) |
| PSA | 75.99000 | LogP | 4.08770 |
| Solubility | (0.025 g/L) (25 oC) | Melting Point |
268-270 oC (ethanol ) |
| Formula | C27H42O5 | Boiling Point | 578.4±50.0 °C(Predicted) |
| Molecular Weight | 446.627 | Flash Point | N/A |
| Transport Information | N/A | Appearance | White or off-white powder |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
(3beta,5alpha,25R)-3,5-Dihydroxyspirostan-6-one;BB 16;Biobras 16;Brassinosteroid BB 16;DI 31; |
Article Data | 5 |
Spirostan-6-one, 3,5-dihydroxy-, (3b,5a,25R)- Synthetic route
- 127128-79-4
(25R)-3α,5-cyclo-5α-spirostan-6-one
- 56786-63-1
(25R)-3β,5-dihydroxy-5α-spirostan-6-one
| Conditions | Yield |
|---|---|
| With acetic acid for 2h; Heating; | 98% |
- 5874-17-9
(25R)-3β-acetoxy-5-hydroxy-5α-spirostan-6-one
- 56786-63-1
(25R)-3β,5-dihydroxy-5α-spirostan-6-one
| Conditions | Yield |
|---|---|
| With sodium hydrogencarbonate In methanol; water for 3h; Reflux; | 95% |
- 56816-69-4
(25R)-spirostan-22α-O-3β,5α,6β-triol
- 56786-63-1
(25R)-3β,5-dihydroxy-5α-spirostan-6-one
| Conditions | Yield |
|---|---|
| With N-Bromosuccinimide In 1,4-dioxane; water at 20℃; for 2h; Darkness; | 83% |
| Multi-step reaction with 3 steps 1: 84 percent / imidazole / dimethylformamide / 3 h 2: PCC / CH2Cl2 / 0 - 20 °C 3: 7.14 g / TBFA / tetrahydrofuran / 6 h View Scheme |
- 56786-63-1
(25R)-3β,5-dihydroxy-5α-spirostan-6-one
| Conditions | Yield |
|---|---|
| With TBFA In tetrahydrofuran for 6h; | 7.14 g |
- 876908-18-8
(25R)-3β-(t-butyldimethylsilyloxy)-5α-spirostane-5,6β-diol
- 56786-63-1
(25R)-3β,5-dihydroxy-5α-spirostan-6-one
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: PCC / CH2Cl2 / 0 - 20 °C 2: 7.14 g / TBFA / tetrahydrofuran / 6 h View Scheme |
- 56786-63-1
(25R)-3β,5-dihydroxy-5α-spirostan-6-one
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: perchloric acid / water; tetrahydrofuran / 3 h / 20 °C 2: N-Bromosuccinimide / water; 1,4-dioxane / 2 h / 20 °C / Darkness View Scheme |
- 56786-63-1
(25R)-3β,5-dihydroxy-5α-spirostan-6-one
- 149707-75-5
2,3,4,6-tetra-O-benzoyl-D-glucopyranosyl trichloroacetimidate
- 1373440-75-5
5α-hydroxylaxogenyl 2,3,4,6-tetra-O-benzoyl-β-D-glucopyranoside
| Conditions | Yield |
|---|---|
| With trimethylsilyl trifluoromethanesulfonate In dichloromethane at 20℃; for 1h; Inert atmosphere; Molecular sieve; | 94% |
- 98-59-9
p-toluenesulfonyl chloride
- 56786-63-1
(25R)-3β,5-dihydroxy-5α-spirostan-6-one
| Conditions | Yield |
|---|---|
| With pyridine at 20℃; for 24h; | 88% |
| With pyridine at 20℃; for 24h; | |
| With pyridine at 20℃; | |
| With pyridine |
- 20295-82-3
O-carboxymethylhydroxylamine hydrochloride
- 56786-63-1
(25R)-3β,5-dihydroxy-5α-spirostan-6-one
| Conditions | Yield |
|---|---|
| With pyridine at 20℃; | 88% |
- 56786-63-1
(25R)-3β,5-dihydroxy-5α-spirostan-6-one
- 74395-54-3
(25R)-5α-hydroxy-5α-spirosta-3,6-dione
| Conditions | Yield |
|---|---|
| With Jones reagent In water; acetone at 20℃; | 81.5% |
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