Term: | 3beta-[(beta-D-glucopyranosyl)oxy]-17alpha-hydroxy-16beta-[(O-beta-D-xylopyranosyl)-(1->3)-2-O-acetyl-alpha-L-arabinopyranosyloxy]cholest-5-en-22-one |
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Accession: | CHEBI:65622
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Definition: | A steroid saponin that is 3,16,17-trihydroxycholest-5-en-22-one attached to a beta-D-glucopyranosyl residue at position 3 and a 2-O-acetyl-3-O-(beta-D-xylopyranosyl)-alpha-L-arabinopyranosyl residue at position 16 via a glycosidic linkage. Isolated from Ornithogalum thyrsoides and Galtonia candicans, it exhibits cytotoxic activity. |
Synonyms: | exact_synonym: | (3beta,16beta,20R)-16-{[2-O-acetyl-3-O-(beta-D-xylopyranosyl)-alpha-L-arabinopyranosyl]oxy}-17-hydroxy-22-oxocholest-5-en-3-yl beta-D-glucopyranoside |
| related_synonym: | Formula=C45H72O18; InChI=1S/C45H72O18/c1-20(2)7-10-28(48)21(3)45(56)32(62-42-39(59-22(4)47)38(30(50)19-58-42)63-40-36(54)33(51)29(49)18-57-40)16-27-25-9-8-23-15-24(11-13-43(23,5)26(25)12-14-44(27,45)6)60-41-37(55)35(53)34(52)31(17-46)61-41/h8,20-21,24-27,29-42,46,49-56H,7,9-19H2,1-6H3/t21-,24-,25+,26-,27-,29+,30-,31+,32-,33-,34+,35-,36+,37+,38-,39+,40-,41+,42-,43-,44-,45+/m0/s1; InChIKey=FOCIGGVGHNGKRW-SWPAXGJUSA-N; SMILES=[H][C@@]12CC=C3C[C@H](CC[C@]3(C)[C@@]1([H])CC[C@@]1(C)[C@@]2([H])C[C@H](O[C@@H]2OC[C@H](O)[C@H](O[C@@H]3OC[C@@H](O)[C@H](O)[C@H]3O)[C@H]2OC(C)=O)[C@]1(O)[C@@H](C)C(=O)CCC(C)C)O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O |
| xref: | PMID:11515577 "Europe PMC"; PMID:12398536 "Europe PMC" |
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