| Identification | Back Directory | [Name]
LANATOSIDE B | [CAS]
17575-21-2 | [Synonyms]
digilanidb
LANTOSIDEB
digilanideb
LANATOSIDE B
20(22),5BETA-CARDENOLID-3BETA,14BETA,16BETA-TRIOL 3BETA-[O-BETA-D-GALACTOPYRANOSYL-(1->4)-O-BETA-D-[3-O-ACETYLDIGITOXOPYRANOSYL]-(1->4)-DIGITOXOPYRANOSYL-(1->4)-O-BETA-D-DIGITOXOPYRANOSIDE]
Card-20(22)-enolide, 3-[(O-β-D-glucopyranosyl-(1→4)-O-3-O-acetyl-2,6-dideoxy-β-D-ribo-hexopyranosyl-(1→4)-O-2,6-dideoxy-β-D-ribo-hexopyranosyl-(1→4)-2,6-dideoxy-β-D-ribo-hexopyranosyl)oxy]-14,16-dihydroxy-, (3β,5β,16β)- | [EINECS(EC#)]
241-545-6 | [Molecular Formula]
C49H76O20 | [MDL Number]
MFCD00016800 | [MOL File]
17575-21-2.mol | [Molecular Weight]
985.12 |
| Chemical Properties | Back Directory | [Melting point ]
245-248°C | [alpha ]
D20 +36.7° (0.47 g in 25 ml 95% alc); D20 +31.8° (0.25 g in 14.1 ml dioxane) | [Boiling point ]
741.7°C (rough estimate) | [density ]
1.1256 (rough estimate) | [refractive index ]
1.7630 (estimate) | [pka]
12.89±0.70(Predicted) | [LogP]
-0.250 (est) |
| Hazard Information | Back Directory | [Uses]
Lanatoside B is a novel cardiac glycoside inhibitor acting on sodium-potassium ATPase in vivo. | [Purification Methods]
Crystallise lanatoside B from MeOH. Its solubility is: 1/20 (MeOH), 1/40 (EtOH), 1/5600 (CHCl3), and is insoluble in H2O. [Stoll et al. Helv Chim Acta 16 1049 1933, Miyatake et al. Chem Pharm Bull Jpn 5 171 1957, Beilstein 18 III/IV 2465.] It is cardiotonic. |
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