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CAS No.: | 511-96-6 |
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Name: | (25R)-5ALPHA-SPIROSTAN-2ALPHA,3BETA-DIOL |
Article Data: | 2 |
Molecular Structure: | |
Formula: | C27H44 O4 |
Molecular Weight: | 432.644 |
Synonyms: | 5a-Spirostan-2a,3b-diol, (25R)- (8CI); Gitogenin (6CI,7CI); (25R)-5a-Spirostan-2a,3b-diol; 2a-Hydroxytigogenin; 5a,25D-Spirostan-2a,3b-diol; Digin; NSC 147752 |
Density: | 1.16g/cm3 |
Melting Point: | 272-273oC |
Boiling Point: | 534.2oC at 760 mmHg |
Flash Point: | 276.9oC |
PSA: | 58.92000 |
LogP: | 4.76460 |
gitogenin
Conditions | Yield |
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With hydrogenchloride In 1,4-dioxane for 1h; Heating; | 88.7% |
Conditions | Yield |
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With sodium hydroxide In methanol; dichloromethane at 20℃; | 85% |
gitogenin
Conditions | Yield |
---|---|
With hydrogenchloride In 1,4-dioxane for 1h; Heating; | 76% |
Conditions | Yield |
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With hydrogenchloride In 1,4-dioxane for 1h; Heating; | A 28.4% B 54.1% |
gitogenin
Conditions | Yield |
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With hydrogenchloride In 1,4-dioxane for 1h; Heating; | 19% |
(25R)-2α,3β-diacetoxy-spirost-4-ene
gitogenin
Conditions | Yield |
---|---|
With acetic acid; ethyl acetate; platinum Hydrogenation; |
gitogenin
Conditions | Yield |
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With ethanol; hydrazine hydrate; diethylene glycol at 150℃; Reagens 4: Kaliumhydroxid; |
Conditions | Yield |
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With tetrahydrofuran; lithium aluminium tetrahydride | |
Multi-step reaction with 2 steps 1.1: cerium(III) chloride heptahydrate / tetrahydrofuran; methanol / 0.17 h / 20 °C 1.2: 0.5 h 2.1: sodium hydroxide / methanol; dichloromethane / 20 °C View Scheme |
(25R)-2α-hydroxy-5α-spirostan-3β-yl O-β-D-galactopyranosyl-(1 → 2)-O-[β-D-xylopyranosyl-(1 → 3)]-O-β-D-glucopyranosyl-(1 → 4)-β-D-galactopyranoside
gitogenin
Conditions | Yield |
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With hydrogenchloride; ethanol |
Conditions | Yield |
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at 184℃; |