Description
Timosaponin BII is extracted from the rhizomes of Anemarrhena asphodeloides Bunge. It has antioxidant, potential anti-dementia activity. It remarkably inhibited the up-regulation of BACE1 and reduced the over-production of β-CTF and Aβ in rat retina.
Synonyms
(25S)-26-(β-D-Glucopyranosyloxy)-3β-[(2-O-β-D-glucopyranosyl-β-D-galactopyranosyl)oxy]-5β-furostan-22-ol; (25S)-3β-[(2-O-β-D-Glucopyranosyl-β-D-galactopyranosyl)oxy]-26-(β-D-glucopyranosyloxy)-5β-furostane-22-ol
IUPAC Name
(2R,3R,4S,5S,6R)-2-[(2S)-4-[(1R,2S,4S,7S,8R,9S,12S,13S,16S,18R)-16-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-6-hydroxy-7,9,13-trimethyl-5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosan-6-yl]-2-methylbutoxy]-6-(hydroxymethyl)oxane-3,4,5-triol
Molecular Formula
C45H76O19
Canonical SMILES
CC1C2C(CC3C2(CCC4C3CCC5C4(CCC(C5)OC6C(C(C(C(O6)CO)O)O)OC7C(C(C(C(O7)CO)O)O)O)C)C)OC1(CCC(C)COC8C(C(C(C(O8)CO)O)O)O)O
InChI
InChI=1S/C45H76O19/c1-19(18-58-40-37(55)34(52)31(49)27(15-46)60-40)7-12-45(57)20(2)30-26(64-45)14-25-23-6-5-21-13-22(8-10-43(21,3)24(23)9-11-44(25,30)4)59-42-39(36(54)33(51)29(17-48)62-42)63-41-38(56)35(53)32(50)28(16-47)61-41/h19-42,46-57H,5-18H2,1-4H3/t19-,20-,21+,22-,23+,24-,25-,26-,27+,28+,29+,30-,31+,32+,33-,34-,35-,36-,37+,38+,39+,40+,41-,42+,43-,44-,45?/m0/s1
InChIKey
SORUXVRKWOHYEO-FRUGGTEYSA-N